A pool cover is the single cheapest piece of equipment you can add to an inground pool that pays you back every single season. It blocks leaves, cuts evaporation, holds heat overnight, and the right safety-rated model stops a child or a dog from ever reaching the water. Yet most owners buy the wrong one, because covers look identical on a listing and behave nothing alike.
We spent weeks reading the review data, the material specifications, and the failure reports on all twelve covers in this guide, and we lined them up against the way inground pools are actually used. The short version: there is no single best pool covers for inground pools, there is a best one for your goal, your pool shape, and your climate. A heated pool in a mild winter wants a solar bubble blanket. A pool with a toddler wants an anchored mesh safety cover. A snow-belt pool wants a heavy solid tarp with plenty of overlap.
This guide covers all of those cases. Every product below is measured against the same criteria: material weight per square yard, scrim count, stitching, warranty length, real owner ratings, and the specific complaints buyers keep repeating. We also show you how to measure your pool, how to install a cover in an afternoon, and how to tell whether a cover is worth repairing or has reached the end of its useful life.
One more thing before we start, because it trips up most first-time buyers. If you have just finished building a pool and want something to drape over it on weekdays, start with our solar cover roundup. If you are more focused on keeping the water clean without babysitting the pool, our robotic cleaner picks for large inground pools pair well with a mesh safety cover.
Table of Contents
Top 3 Picks: Best Pool Covers for Inground Pools (October 2026)
BigXwell 16×32 16Mil Solar Cover
- 16 mil polyethylene bubble construction
- Up to 95 percent evaporation reduction
- Trims with scissors to any pool shape
- Over 1
- 000 owner ratings
VEVOR Mesh Safety Cover 16×32
- Triple-stitched double-strapped polypropylene mesh
- Fits pools with a 4x8 ft center end step
- Brass anchors and stainless springs included
- Drains rain while blocking debris
VEVOR Solar Cover 32×16 16Mil
- 16 mil PE with bubble film construction
- Absorbs daytime heat and cuts night loss
- Cuts to fit irregular pool shapes
- Works inground or above ground
Best Pool Covers for Inground Pools: Comparison Table
Every cover we looked at, in one place. Material weight, scrim count, warranty, and the job each one is actually built to do.
| Product | Specifications | Action |
|---|---|---|
| BigXwell 16×32 16Mil Solar Cover |
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Check Latest Price |
| VEVOR Mesh Safety Cover 16×32 |
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Check Latest Price |
| VEVOR Solar Cover 32×16 16Mil |
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Check Latest Price |
 Blue Wave 16×32 12Mil Solar Blanket |
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Check Latest Price |
 Blue Wave Arctic Armor 16×32 |
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Check Latest Price |
 Yankee Pool Pillow Sapphire 30×50 |
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Check Latest Price |
 iCOVER Mesh Safety Cover 16×32 |
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Check Latest Price |
 Real Relax 16×32 16Mil Solar Blanket |
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Check Latest Price |
 Pool Mate Platinum 18×40 Winter Cover |
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Check Latest Price |
 Robelle Super Winter 20×40 Cover |
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Check Latest Price |
| Pool Mate Dura-Guard 20×40 Winter Cover |
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Check Latest Price |
 REGMICS 20×40 220 GSM Winter Cover |
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Check Latest Price |
One pattern jumps out immediately. The solar blankets in this group cluster around 12 to 16 mil polyethylene, while the winter covers are graded by scrim count and grams per square yard, with anything at 8 by 8 and 80 gsm sitting at the light end and 16 by 16 at 220 GSM sitting at the heavy end. That single number is the clearest predictor of how a solid cover handles a heavy snow load.
1. BigXwell 16×32 16Mil Solar Cover – Our Top Pick for Heat Retention
BigXwell Heavy-Duty Solar Pool Cover 16x32ft – 16Mil Blue
16 mil blue polyethylene
Thermal bubble construction
Up to 95 percent less evaporation
384 by 192 inches
Pros
- Thick 16 mil material that resists tearing when trimmed
- Noticeably raises water temperature in full sun
- Cuts cleanly with heavy-duty scissors for a custom fit
- Cuts vacuuming and reduces chemical use
Cons
- Large sheets are heavy and usually need two people or a roller
- Can overshoot and overheat water on very hot sunny days
- Sizing on some round variants runs larger than labeled
This is the cover we kept coming back to while working through the whole list. Sixteen mil polyethylene is the thickness where a bubble blanket stops feeling flimsy, and the thermal bubble construction is what makes the heat savings real rather than marketing. Over a thousand owner ratings at a 4.5 average is the deepest well of feedback in the group, so the claims here are not resting on a handful of people.
The mechanism is simple physics. The bubbles act like tiny magnifying lenses, warming the water underneath during the day, and the plastic layer slows the heat from escaping overnight. Buyers report noticing the difference within the first week of warm weather, and the same sheet is doing double duty as a debris screen while it sits there.
What convinced us is the material honesty. Owners consistently describe this as thicker than competing blankets of the same nominal mil rating, and they mention that it cuts cleanly with heavy-duty scissors without fraying, which matters enormously for kidney-shaped and curved pools where you have to trim the sheet to follow the curve.
The handling is the honest drawback. At 32 by 16 feet this is a genuinely large sheet, and multiple owners point out that a second pair of hands or a cover roller makes a real difference on a weekly basis. If you plan to put the blanket on and off yourself every day, budget for a reel.
A second caution worth stating plainly: on very hot, still days, a bubble blanket can push water temperature higher than you want. Owners report needing to pull it back for a few hours when the forecast turns brutal. That is a small daily habit, not a defect.
What to check before you trim it
Lay the sheet out on the deck first and dry-fit it before cutting anything. Owners who cut in a rush report sheets that end up a few inches short at the curve. If your pool has a deep end, the blanket simply floats across it, so no adjustment is needed beyond the perimeter.
Also confirm you are buying the size that matches your actual pool rather than the room you need to cover. The sheet is cut to the pool dimensions, and trimming is meant for shape adjustments, not for adding length.
Who should skip this one
If your pool is the primary hangout for young children and you need a barrier rather than a heating aid, a floating bubble blanket is the wrong category entirely. It holds no weight and simply floats on the surface, so it does nothing for safety.
If you also want winter protection, you are buying two separate products. This is a warm-season efficiency tool. Off-season protection requires a solid winter cover or an anchored safety cover, and the two serve completely different purposes.
2. VEVOR 16×32 Mesh Safety Cover with Center Step – Best for Children and Pets
VEVOR Pool Safety Cover, Fits 16x32ft Rectangular Inground Winter Swimming Pools, with 4x8ft Center End Step, Triple Stitched, High Strength Mesh PP, Great Rain Permeability, Installation Hardware
304 stainless steel and polypropylene mesh
Brass anchors and springs included
Fits 4x8 ft center end step
46 pounds
Pros
- Blocks leaves and debris while letting rainwater filter into the pool
- Straightforward strap adjustment and easy DIY installation
- Tight heavy mesh that withstands heavy snow loads
- Complete hardware kit included
Cons
- Anchor count must match the existing drilled pattern on your deck
- Mesh drains rainwater in
- which can raise the water level and encourage algae
- Straps described as slightly less heavy than premium branded safety covers
This is the one we recommend for any household with a child under five or a large dog. It is not a floating sheet. It anchors to the deck through drilled brass hardware and tension springs, and it is engineered to hold a person’s weight if they fall onto it, which is exactly the failure mode that matters.
The build quality is the story here. Double-strapped and triple-stitched seams on a tight polypropylene mesh, paired with stainless steel springs and brass anchors, is a specification sheet that reads like a commercial product. Owners report it handled extreme snow loads without sagging, and several call out the stitching specifically as better than covers they previously owned at higher price points.
The size configuration matters more than any other spec on this listing. It is cut to fit a 16 by 32 foot inground pool with a 4 by 8 foot center end step, so the cover is shaped to drape over that step without leaving a gap. If your step is a different width, or your step sits on a long side rather than a short one, this is the wrong listing and you need to size up.
The one thing to verify before you order is your deck anchor pattern. This cover ships with a drill-and-tamp brass anchoring system, and the number of anchors has to match the spacing of any existing hardware already in your deck. Getting that wrong is the most common installation complaint owners report.
A second consideration is what mesh means for your water. Rain and snowmelt pass straight through into the pool by design, which means your water level rises over winter and debris smaller than the mesh openings ends up in the water. That is the trade you accept for never pumping standing rainwater off the top of the cover.
How tight should it actually be
Tension it the way you would a trampoline edge, not a shower curtain. The cover should be drum-tight across the middle with no puddling of water in low spots, because any slack is slack that a load of wet snow can convert into tearing force. Every owner who reports success also reports tightening the springs again after the first storm.
Owners on forum threads also flag a mesh-specific issue worth knowing: if the cover sags far enough to touch the water surface, the added weight can over-stress the tension springs. Checking the center span after heavy rain keeps the springs working within their range.
Where it falls short
If you want the pool to look untouched when you open it in spring, mesh is not the answer. Owners report needing a vacuum-to-waste pass and an algae shock at opening, though most describe it as a light dust layer rather than a dirty pool.
For households without children or pets, the mesh design costs you extra steps, extra drilling and a less sealed pool, with no benefit you would actually use. In that case a solid cover or a solar blanket serves you better.
3. VEVOR 32×16 16Mil Solar Cover – Best Value Solar Blanket
VEVOR Solar Pool Cover 32 x 16 ft, 16 Mil Rectangle Solar Blanket Blue
16 mil PE with bubble film
Claimed 8-15C water temperature gain
37.8 pounds
Cut-to-fit design
Pros
- Affordable entry into solar pool heating
- Tear-resistant PE that holds up under sun exposure
- Easy to cut and shape for irregular pools
- Keeps leaves and dust out to reduce cleaning time
Cons
- Thinner and less rigid than 16 mil blankets from premium brands
- Bubble degradation over several seasons can leave plastic bits in the water
- Must be removed regularly so chemicals do not dissolve the bubbles
Two entries in this roundup come from the same brand at the same nominal thickness, and this is the one most people should actually buy. The BigXwell sheet has a deeper and more consistently positive review record, which is why it takes our top spot. This one costs less and performs almost identically, which is exactly what a value pick should do.
The specification list is the same shape: 16 mil polyethylene with bubble film construction, sized for a 32 by 16 foot rectangle, and trimmable to fit irregular shapes. The brand claims a water temperature gain of 8 to 15 degrees Celsius depending on conditions and up to 95 percent evaporation reduction. Treat that range as a best-case figure for hot, still weather, which is when solar covers work best.
The honesty of the negative feedback is what gives me confidence in the positive feedback. Reviewers are clear that this sheet is thinner and less rigid than premium 16 mil blankets, and they are clear about the consequence: the bubble film degrades faster over multiple seasons and can shed small plastic pieces into the water. That is a real service life difference, not a rounding error.
That degradation is also chemical-driven, which is the part many owners miss. Chlorine and other pool chemicals attack polyethylene, so a blanket left permanently on the surface loses its bubbles far faster than one you pull back for a few hours on heavy chemical days.
Debris blocking is a genuine secondary benefit. Owners note that keeping the sheet on between swims keeps leaves and dust out, which cuts sweeping and reduces how much debris reaches the filter.
Who this suits best
This is a strong pick for a homeowner on a modest budget who wants meaningful evaporation control and heat retention on a rectangular inground pool. It also works for above ground installations, since the cut-to-fit design does not care what is underneath.
If you have a reel and a routine of putting it on in the morning and off in the evening, the thinner material is a non-issue. The complaints only show up when the sheet sits on a pool continuously through a full season of chemical treatment.
Where the cheaper material shows
Do not expect this to last as long as our top pick. The combination of thinner bubbles and faster chemical breakdown means owners should expect to replace it sooner, and the loose plastic pieces in the water are a genuine nuisance that requires skimming or vacuuming.
If you plan to leave a cover on your pool for months at a time, spend up for a heavier sheet. The thinner material only makes sense when the cover comes on and off frequently.
4. Blue Wave 16×32 12Mil Solar Blanket – Best for Kidney-Shaped Pools
Blue Wave 16×32-ft Rectangle Solar Pool Cover 12-Mil Blue – Solar Cover for Above Ground Pool & Inground Pool, Thermal Bubble Blanket for Heat Retention & Reduced Evaporation
12 mil bubble film, 512 square feet
27 pounds
5 year limited warranty
16 by 32 ft rectangle
Pros
- Largest review base in the lineup with a long heating track record
- Easy to cut and shape to kidney or curved pools
- Cuts evaporation and reduces chlorine use
- Light enough for one person to roll on and off a reel
Cons
- 12 mil bubbles degrade and can shed plastic pieces into the water
- Prorated warranty terms make replacements expensive
- Can encourage algae growth if left on continuously
With more than two thousand five hundred ratings, this is the most thoroughly owner-tested cover in the group, and the feedback is remarkably consistent. People buy it, it heats their water, and they buy it again years later when the bubbles finally go. That consistency is worth something on a product you will live with every summer.
The construction is 12 mil plastic with downward-facing air-filled thermal bubbles. That orientation is what does the work. The bubbles sit between the sun and the water, warming it during the day, and the plastic layer slows overnight heat loss. The manufacturer warranty is five years limited.
Shape is where this one wins. The bubble film cuts easily with a scissor, and owners with kidney-shaped and curved pools specifically report being able to trim it to follow an unusual outline. For a rectangular pool you would pay more for thickness you do not need, but for an odd shape, this is the pick.
Reviewers confirm the heating effect is real, and several mention a reduction in chlorine use that follows from keeping debris and sunlight off the water. The cover also rolls onto a standard reel, and owners call it light enough for a single person to handle, which matters at 27 pounds for a 512 square foot sheet.
The 12 mil thickness is the compromise. Owners repeatedly report bubble disintegration after one to two seasons, and the warranty is prorated, so a replacement several years in costs proportionally less than a new one. That is a fair structure, but it is still a cost.
What to watch for in your water
Twelve mil is thin enough that chemical attack accelerates. Owners report finding small plastic pieces in the pool after bubbles break down, so plan on skimming or vacuuming regularly once you see the first fragments. The fix is the same as with any bubble blanket: pull the cover back on days you are running heavy chlorine or algaecide.
There is also a specific algae angle worth naming. Because the cover blocks light but not air exchange, leaving it on continuously through a warm stretch can create conditions that encourage growth underneath. Treat the blanket as a daytime and evening tool rather than a permanent installation.
Is 12 mil thick enough
It is enough for heat retention, and the review base proves that. What it is not enough for is multi-season durability. If you already know you will replace your blanket every couple of years, this is a sensible way to spend. If you want a single sheet that keeps going, look at a 16 mil option instead.
The other consideration is handling. At 512 square feet and 27 pounds, one person can manage it on a reel, but the rectangular cut means a curved pool leaves you trimming off a lot of material. Buy generously and trim after a dry fit on the deck.
5. Blue Wave Arctic Armor 16×32 Winter Cover – Premium Winter Pick
Blue Wave Arctic Armor 16×32-ft Rectangular In-Ground Pool Winter Cover
Solid PE with heat-sealed seams
Black underside
Sewn loops every 4 ft
15 year limited warranty
Pros
- Thick solid material that holds its seams without leaking
- Black underside slows algae and dirt growth
- Documented responsive warranty service
- Bright royal blue is easier on the eyes than a dark tarp
Cons
- Grommets and stitching can fail early on some units
- Some sizes run short of stairs and steps so ordering up a size helps
- Water tubes and a cover pump are sold separately
- Debris cover only and not rated to walk on
The defining feature here is the black underside. When a solid cover blocks sunlight, the difference between a black-backed sheet and a clear one is the difference between suppressing algae growth and doing nothing about it. Owners with this cover specifically report finding noticeably less organic growth on the underside at spring opening.
It is a solid polyethylene sheet with heat-sealed seams, which is the correct seam construction for a tarp. Heat sealing bonds the material chemically instead of relying on thread, so there is no stitch line to unzip over a long winter. It is cut for 16 by 32 foot inground pools and carries a 15-year limited manufacturer warranty.
Installation is deliberately simple. Sewn loops every 4 ft let you thread vinyl water tubes across the top, so no deck anchors and no drilling at all. That is a genuine advantage if you do not want permanent hardware in your coping, and it makes this the easiest solid cover in the list to put on and take off each season.
The rating is dragged down by a specific failure rather than a general one. Owners report multi-season durability with intact seams, but a smaller group hit rapid grommet failure, seam puckering, and warranty friction after ice storms. That is a component quality issue in the hardware, not a failure of the material design.
Because water tubes and a cover pump are separate purchases, budget for both. A solid cover that collects rainwater without a pump will bow toward the water, and that load is what eventually splits seams. This is the single most common owner mistake in the whole category.
Sizing deserves attention. Some owners report sizes that run short of stairs and steps, and the common fix is to order up. If your pool has a staircase or a deep-end step cut into the wall, measure the full footprint including the step cutout, not just the waterline length.
When the black underside matters most
It matters in a warm, bright off-season, where algae has a long window to start under a cover that lets light through. In a cold northern winter the pool is not growing much anyway, and the solid sheet’s main job becomes blocking debris and shielding the shell. In a mild climate, the black backing is the reason to choose this over a lighter tarp.
It also matters for cosmetic reasons. Many owners pick a solid cover precisely because they do not want to see accumulated debris through it, and an opaque sheet delivers that in a way no mesh cover can.
What it will not do
This is a debris cover, not a safety cover. Nobody should walk on it, and it will not support a person or a pet. If you have young children around an inground pool, a cover like this creates a false sense of security that the product design does not back up.
It also does not drain. Standing rainwater is a certainty rather than a possibility, and if you are not willing to run a pump, a mesh cover is the more forgiving choice. Read our troubleshooting section later in this guide for how to handle water on a solid tarp.
6. Yankee Pool Pillow Sapphire 30×50 Winter Cover – Built for Large Pools
30×50 ft Rectangular Inground Pool Cover | Extra Thick & Durable | Sapphire Series of Premium Cold- and UV-Resistant Cover | In-Ground Pool Protection | by Yankee
14x14 scrim at 185 gsm
Rated -10F to 180F
Steel-core cable and molded winch
30 by 50 ft
Pros
- Noticeably heavier and thicker than store-brand tarps
- Seams generally hold through a winter with no leakage
- Good value compared with local pool store pricing
- Large size range available for many pool dimensions
Cons
- Heavy and stiff to handle over a large pool
- Runs a size short of listed dimensions so many owners recommend sizing up
- Can bow in the middle under rain when only loosely weighted
- Reported seam unraveling with unresponsive customer service
At 30 by 50 feet this is the largest pool in the group, and the material is scaled to match. A 14 by 14 scrim count at 185 gsm density is a serious weave, and it is the reason this sheet is not a flimmy off-the-shelf tarp. Scrim count is the number of reinforcement threads per inch in each direction, and higher numbers resist tearing better.
The temperature rating is the other standout specification. This cover is rated from minus ten to one hundred eighty degrees Fahrenheit, which is the range you want in a climate that sees real freeze and real summer heat. The LDPE coating has been tested for UV resistance, which matters because a sheet left on a deck all summer degrades fast without it.
Instead of sewn loops, it uses a steel-core cable running into reinforced metal grommets, tightened with a molded winch. That gives you continuous tension along the edge rather than point tension at spaced tubes, and it is a better match for a cover this large than a row of water weights.
Owners report seams holding through a full winter with no leakage, and several call out the value against buying from a local pool store. A sizeable fraction also recommend sizing up, because the cover runs a little short of the listed dimensions. Treat the listed size as a starting point and check the overlap you will have left on each side.
The handling is the trade. Owners describe it as heavy and stiff to spread across a large pool, and that is physics rather than a defect. A 30 by 50 foot sheet at this density is not a one-person job, so plan for two people and a calm day.
One recurring complaint is bowing in the middle under rain when the cover is only loosely weighted. That is the same standing water problem that affects every solid cover, amplified by the size. The winch helps, but it does not replace draining.
Sizing a very large pool
For a pool this size, do not rely on the listing dimensions. Walk the pool and measure the full length and width, then add your intended overlap on each side. Owners consistently find the finished product runs smaller than the label, so plan for at least a 3 to 5 foot overlap on the long sides.
If your pool has a deep end, the cover will drape across it. That is normal, but it creates a low spot where water collects, so arrange the winch tension to pull the center up as flat as you can.
Who should look elsewhere
Anyone who cannot recruit a second pair of hands for installation should pick a smaller or lighter cover. Stretching this much material across a large pool alone risks damage to the cable and grommets before you ever tension it.
It is also not a safety product. It blocks debris and winter weather, and that is the entire job. Households with young children need an anchored mesh safety cover instead.
7. iCOVER 16×32 Mesh Safety Cover with Center Step – Fastest DIY Install
iCOVER Inground Pool Safety Cover, Fits 16x32ft Rectangular Pools with 4x8ft Center End Step, Winter Pool Covers for Inground Pools, Safety Pool Covers, Triple Stitched High Strength, Blue
Double-strapped triple-stitched PP mesh
Anti-slip rubber strip
Full anchor and spring kit
49 pounds
Pros
- Tight mesh that lets rain through while blocking debris
- Anchored strap tension holds the cover tight under snow loads
- Complete hardware kit reduces extra purchases
- Sized two feet larger than the pool so it fits without stretching
Cons
- Mesh design admits rainwater so the pool water level rises over winter
- Requires drilling and tamping brass anchors into the deck
- Sits at the higher end of the inground cover price range
The reason this cover stands out is not the fabric, it is what arrives in the box. The included components list includes an allen wrench, anchors, an installation rod, a tamping tool, and tension springs with sleeves. A safety cover install normally means a separate hardware purchase, and here it is all included.
Construction matches the good mesh covers we tested: double-strapped, triple-stitched polypropylene with a tight weave that drains rainwater while screening leaves, twigs, and snow. The addition that owners mention approvingly is an anti-slip rubber strip along the cover surface, which makes it far less treacherous to walk on during a summer install than bare mesh.
Size it is 18 by 34 feet for a 16 by 32 foot pool with a 4 by 8 foot center end step, which is two feet larger than the pool footprint. Owners like that margin because it lets the cover reach past the coping without you having to stretch material, and stretching is exactly what causes seam failure over time.
You do need to drill. The brass anchors go into a concrete deck using a drill-and-tamp system, and that is a real commitment if you have never installed deck hardware. If you have a paver or stone deck, check with the manufacturer first, because drilling can crack it.
The one consideration that shows up in nearly every review is water level. Mesh by design admits rain and snowmelt into the pool, so a Northeast pool with a mesh cover can end the winter several inches above where it started, sometimes with discoloured water. That is expected behavior, not a defect, but it does mean you should check your water level in spring before adding chemicals.
The review base here is smaller than the mass-market blankets, at 173 ratings. The sentiment is strongly positive on fit, stitching, and anchoring, but the long-term durability data is thinner simply because fewer people own one.
Is the extra anchoring worth it
If you have children or pets, the anchoring is the entire reason for the purchase. An unanchored mesh sheet is a hazard rather than a barrier, so the drilling and the springs are not optional accessories. The safety claim lives entirely in the tensioned anchoring system.
If you do not have that safety requirement, this is a lot of effort and hardware for what a solid cover or a solar blanket does more cheaply. The drilling leaves permanent holes in your deck, and that is a real cost to weigh.
Understanding the water level trade
Owners who paired this with a sump pump report the cleanest results. A mesh cover will always put water in the pool, so a pump that handles groundwater and rain runoff keeps the level stable. In a dry climate with good drainage you can often manage without one.
Plan to check the pool at least monthly in the off-season. A mesh cover that is slightly loose in the middle can also touch the water, and owners report that contact overstressing the springs.
8. Real Relax 16×32 16Mil Solar Blanket – Best Heat Gain
Real Relax 16 mil Solar Pool Cover, 16 x 32 ft Rectangle Bubble Blanket
16 mil PE bubble blanket
Bubble side down
Up to 95 percent less evaporation
39 pounds
Pros
- Highest average rating in this roundup with 81 percent five-star reviews
- 16 mil thickness resists tearing versus thinner blankets
- Easy to trim and install with basic tools
- Effective at holding heat overnight and keeping debris out
Cons
- Small number of ratings overall so long-term durability data is limited
- Heavy sheet benefits from a cover reel
This blanket carries the highest average rating of anything we looked at, and the feedback describes exactly what the specifications promise. Owners talk about a thick, well-made sheet that raises water temperature and cuts evaporation, and they describe it as noticeably more substantial than blankets in the same nominal class.
The construction is 16 mil polyethylene bubble blanket with the bubble side down. That orientation is the point. Bubbles facing the water create a warmer layer directly at the surface, and the plastic above them slows the heat from escaping overnight. Combined with trimmable sizing, it adapts to most inground pool shapes.
At 16 by 32 feet and 39 pounds, this is a substantial sheet. Owners recommend a cover reel rather than folding it by hand, because the weight makes folding an ongoing annoyance and creases the material along the fold lines over time.
The honest caveat is the size of the review base. At 129 ratings, the long-term durability picture is thinner than a blanket with two thousand reviews behind it. High average ratings are encouraging, but a smaller sample means fewer owners have put this through five or six seasons of use.
That is the whole trade here. You are choosing a thicker, better-liked blanket with less long-term history over our top pick that has a thousand owner ratings. For most people the thicker material wins, because 16 mil is the point.
Trimming is easy with scissors, and it does not fray, so kidney shapes and rounded corners are realistic. Do a dry fit on the deck before cutting, exactly as you would with any sheet.
When the extra thickness pays off
Thickness pays off in two situations. First, if your cover stays out in the sun for months without being stored properly, thicker polyethylene resists UV embrittlement and handling tears better. Second, if you have pets or children who occasionally walk on the sheet when it is floating, a 16 mil sheet tolerates it far better than a 12 mil one.
It also pays off for pools with unusual shapes, where trimming is unavoidable. A thicker sheet is less likely to split along a scissor line when you cut a tight curve.
Who should pick a cheaper blanket
If you have a perfectly rectangular pool and a cover reel, thickness is a nice-to-have rather than a necessity. A 12 mil blanket on a reel over a rectangle will heat your water and cost less, and you replace it without a second thought.
Also skip this if you intend to leave it on permanently through chlorine treatment. No blanket that thin survives that well, and the premium you paid for thickness does not protect against chemical attack.
9. Pool Mate Platinum 18×40 Extra Strength Winter Cover – Heavy Snow Belt Choice
Pool Mate 18 x 40 ft Extra Strength Platinum Pool Cover for Inground Pools
3.7 oz per sq yd polyethylene
12 by 12 scrim weave
5 foot overlap
15 year warranty
Pros
- Heavier fabric and tighter scrim than the classic Pool Mate line
- Wide overlap makes placement over the pool straightforward
- Solid construction blocks water and winter debris
- Long 15 year warranty
Cons
- Vinyl water weights are sold separately
- Must be pumped or drained of collected rainwater
- Sandstone color shows staining over time
This is the cover to look at if you get real snow. At 3.7 oz per square yard, roughly 125 gsm, with a 12 by 12 scrim weave, it is constructed 85 percent heavier than the industry standard. Those two numbers together are the clearest signal in this entire roundup that the material is built for load rather than just for blocking leaves.
Snow load is a force problem. A solid cover is a membrane, and its seams and fabric take the entire weight of whatever accumulates. Light covers deform and split at the seam first. A tighter scrim distributes that load across more threads, which is why 12 by 12 outperforms 8 by 8 in a heavy winter.
It is cut 45 by 23 feet for an 18 by 40 foot pool, which is a 5 foot overlap. That wide margin is deliberate: the overlap gives you anchoring surface on the deck and it gives the sheet slack so it does not sit in a state of permanent tension trying to reach the far corner.
Owners rate the extra-strength fabric favorably for durability and for the ease of fitting it over a large rectangular pool. The 15-year manufacturer warranty is among the longest we found, and warranty length is a reasonable proxy for a manufacturer’s confidence in the material.
Two practical notes. Vinyl water weights are a separate purchase, so the first-time total is higher than the cover alone. And because this is a solid sheet, it must be pumped or drained of collected rainwater, which is the recurring owner caveat for every solid cover in this roundup.
The sandstone color is a cosmetic detail that reviewers mention, and staining becomes visible over several seasons. Functionally irrelevant, but if the appearance of your winter cover bothers you, know that it will show dirt and staining rather than hiding it like an opaque black-backed sheet.
How snow belt changes the math
In a heavy snow climate, the priorities reorder. Drainage, algae, and appearance matter less than the fabric surviving the load, so weight and scrim count should drive your choice over every other spec. A cover that survives February saves you a second purchase and a wet spring.
The second snow belt rule is to clear the cover. A solid cover that holds a heavy, wet snow layer is the worst case for seams. Pushing or shoveling snow off periodically reduces the load dramatically, and it only takes a few minutes after a storm.
Where it is not the answer
If you do not get meaningful snow, this is paying for capacity you will not use, and a lighter cover does the same job. It is also not a safety cover, so it does nothing for a household with young children.
If you cannot commit to pumping standing water off a solid tarp, do not buy any solid cover, including this one. That is the single most common reason solid covers get returned.
10. Robelle Super Winter 20×40 Cover – Best Brand Support
Robelle 20 x 40 ft Heavy Duty Super Winter Pool Cover for Inground Pools
2.36 oz per sq yd PE
8 by 8 scrim weave
5 foot overlap
10 year warranty
Pros
- Solid watertight winter cover that blocks leaves and debris
- Generous 5 foot overlap makes installation forgiving
- Established brand with a long warranty and pool-specialist support
- Tougher than the thin tarps sold at big-box stores
Cons
- Mid-range scrim and gsm rating is thin next to premium winter covers
- Needs vinyl water weights which are sold separately
- Can tear or split at seams after a few seasons of heavy snow loads
Robelle is a pool-specialist brand, and that shows up in the parts of the buying experience that are hard to see in a specification sheet. When something goes wrong, you are calling a company whose entire business is pool covers rather than a general retailer. For a twenty-year relationship with an inground pool, that is worth real money.
The material is heavy duty polyethylene at 2.36 oz per square yard, or 80 gsm, with an 8 by 8 scrim weave, constructed 18 percent heavier than the industry standard. That is a mid-range build, not a heavy one, and it is the reason we placed it below the snow belt choice above.
The 5 foot overlap is the feature owners mention most warmly. It is cut 45 by 25 feet for a 20 by 40 foot pool, and the wide margin means the cover reaches far onto the deck, which makes positioning forgiving and leaves plenty of surface for water weights to sit.
It is a solid cover that does not allow water to pass through, so it blocks leaves, debris, snow, and ice completely. Owners consistently confirm that the wide overlap makes the actual installation straightforward, which is not something you can say about every tarp.
The complaints are specific and consistent. Owners report the fabric and scrim rating is thin next to premium winter covers, and that seams can tear or split after a few seasons under heavy snow loads. The 10-year warranty gives some protection, but the practical service life under a hard winter is the honest limit.
Vinyl water weights are sold separately here as well. Add that to your cost and make sure you are prepared to drain the cover, because a solid sheet that bows under collected rainwater is the failure path that ends most solid covers.
What you get for the brand premium
Support is the actual product here. A pool-specialist manufacturer handles warranty claims on a product you install and use once a year, and that is a different experience from filing a ticket with a general marketplace seller. Owners report the established brand and long warranty as a genuine reason to choose it.
The other quiet benefit is the sizing convention. The 5 foot overlap is applied consistently, so the sheet arrives with margin built in rather than as a cut-to-size rectangle that leaves nothing to grip on the deck.
Where the mid-range material shows
In moderate winters, this cover performs fine. In a climate with heavy wet snow, the seam complaints start appearing after a few seasons, and that is the scenario to buy around. If you are in a snow belt, spend up for the heavier fabric.
Also expect to replace it eventually. A properly cared-for cover of this class can last a long time, but the reviews describe seam failure as the exit point, not fabric disintegration. Plan on that as a five-to-ten year purchase rather than a forever purchase.
11. Pool Mate Classic Dura-Guard 20×40 Winter Cover – Budget Winter Pick
Pool Mate 20 x 40 ft Classic Dura-Guard Winter Pool Cover for Inground Pool
2.36 oz per sq yd PE
8 by 8 scrim weave
5 foot overlap
10 year warranty
Pros
- Widely available standard size with a generous 5 foot overlap
- Solid fabric blocks leaves debris and rain
- Lightweight enough for a single person to position
- Backed by a 10 year warranty from a long-running cover maker
Cons
- Lightest fabric in this roundup at 80 gsm with 8 by 8 scrim
- Water weights sold separately
- Seams can fail after a couple of winters under heavy snow
We are going to be direct about this one. It carries the lowest average rating in the roundup, at 3.7 across more than nine hundred ratings, and that is not a rounding artifact. Owners report shorter service life and seam leakage compared with heavier or mesh-based alternatives. If you read nothing else in this review, read that.
With that said, the underlying design is sound. Classic polyethylene at 2.36 oz per square yard, or 80 gsm, with an 8 by 8 scrim weave, constructed 18 percent heavier than industry standard. It is a solid sheet that does not allow water to pass through, so it blocks leaves, debris, snow, and ice completely.
Where it genuinely earns its place is handling and fit. At 16.2 pounds for a 45 by 25 foot sheet, this is light enough for a single person to position across a large pool, and the 5 foot overlap makes the placement forgiving. Those are practical wins that heavier covers do not offer.
The 20 by 40 foot size with a 5 foot overlap is a standard configuration that many inground pools are built around, which makes fit uncomplicated. It also comes with a 10-year warranty from a long-running pool cover manufacturer, so the durability claim is at least documented.
Owners like the oversized overlap and the simple installation, and the solid fabric reliably keeps out leaves and rain. That is the whole promise of a winter tarp, and it delivers it in year one.
The limiting factor is the fabric itself. At 80 gsm with an 8 by 8 scrim, this is the lightest material in the lineup, and that maps directly onto the seam complaints. Owners report seams failing after a couple of winters under heavy snow, which is the same failure mode described in forum threads about commercial-grade covers ripping after one or two seasons.
Is the low rating a deal breaker
Not in mild climates. A 3.7 average with over nine hundred ratings means plenty of buyers are satisfied, and a low average on a heavily reviewed product usually means one consistent weakness rather than general dissatisfaction. Here the weakness is seam longevity under heavy load.
In a moderate winter with little snow, this cover works and works fine. That is the scenario where the low rating reflects a mismatch between the product and the reviewer’s climate, not a defective product.
Who should spend up instead
If you get meaningful snow, buy heavier fabric. The scrim count and grams per square yard are the two numbers that predict seam survival, and this sits at the bottom of both. Our snow belt pick uses a 12 by 12 scrim at more than three times the fabric weight.
If you would rather not deal with pumping at all, a mesh safety cover avoids the standing water problem entirely. The trade is different, but for owners who have abandoned solid covers over that exact chore, mesh is the reset.
12. REGMICS 20×40 220 GSM Winter Cover – Thickest Fabric in the Lineup
20FTx40FT Extra Thick Inground Pool Cover, 220 GSM 16×16 Durable Woven PE
220 GSM PE with 16x16 scrim
4 foot overlap
Stainless steel grommets
Freeze snow and ice resistant
Pros
- Very thick rigid 220 GSM fabric that resists tearing
- Large 4 foot overlap helps the cover resist wind lift
- Stainless grommets and heavy-duty loops for water tube anchoring
- Virgin PE with no recycling impurities so it stays tough in cold weather
Cons
- Water tubes are not included
- Very heavy and awkward to spread across a large pool
- Some buyers reported grommets or supplied clasps failing
At 220 GSM with a 16 by 16 high-density scrim, this is the heaviest fabric in the group, and the spec sheet explains why owners are enthusiastic about it. Scrim count is the reinforcement grid woven into the polyethylene, and 16 by 16 is roughly four times as many threads as the 8 by 8 scrim at the light end of this list. That grid is what stops a tear from travelling.
It is also made from 100 percent virgin polyethylene rather than recycled material, which matters in cold weather. Recycled resin carries impurities that make sheets stiff and brittle, and owners specifically call out the toughness in cold conditions as a reason this one performs.
Two other design details stand out. The black inner lining blocks dust and 99.8 percent of UV rays, which means the cover works as an algae deterrent as well as a debris barrier. And the 4-foot overlap around the pool perimeter, with double-stitched seams, gives a large surface to resist wind lift.
The anchoring hardware is serious. Stainless steel grommets paired with 24.8-inch water bag loops are built for repeated load cycles rather than single-season use, and the double-stitched seams around a 4 foot overlap is a lot of margin for a cover that will be tugged by wind from multiple directions.
Water tubes are not included, so factor that in. Given how much this cover costs to buy, we would suggest better grade tubes than the cheapest option, since the cover is clearly designed to carry repeated loads.
Owner sentiment is strongly positive on thickness and edging quality, with reported failures limited to hardware accessories and handling weight rather than the fabric itself. The review base is on the smaller side at 91 ratings, so treat the long-term picture as promising rather than proven.
Weight as a feature not a flaw
The heaviest fabric in the lineup is also the hardest to install, and owners are direct about that. A 20 by 40 foot sheet at 220 GSM is a genuine two-person job. Plan the install for a still day and do not attempt to stretch it across the pool by yourself, because a dropped sheet can damage the grommets you will then need to replace.
The payoff is that this cover will not be the reason your pool shell is unprotected. Very thick material does not crease, does not split at the seam, and does not let a modest snow load deform it into a pond.
When the extra GSM is wasted
If you live in a mild climate with no snow, this is over-engineered for the job, and the lighter covers do the same work. We would only pay the premium here for heavy snow, high wind, or a large pool where a thinner sheet has already failed on you.
It is also not a safety cover. Nothing about the material changes the fact that a solid tarp cannot support weight, so this is a winter protection product and nothing more.
How to Choose Pool Covers for Inground Pools
Type matters more than brand. Every cover in this roundup is a competent product, and the wrong choice for your situation is the expensive mistake. There are five categories, and you need at most two of them.
Solar bubble blankets float on the water in the warm season. Their job is heat retention and evaporation control, and they do it well because the trapped air acts as insulation. They block leaves and dust as a bonus. They are not safety devices and they are not winter covers. If you swim most days in summer and want warmer water for less money, this is the category.
Mesh safety covers anchor to your deck with springs and rods and tension tight so debris slides toward the drain. Mesh drains rain and snowmelt through, which means no pumping and no water collecting on top. This is the default choice for winterizing an inground pool in most climates, and the only real answer for a household with small children.
Solid safety and winter covers block everything, including rain. That makes them better at excluding debris and at suppressing algae, since they also block the light algae needs. The cost is that rainwater collects on top, and a cover pump becomes a mandatory part of ownership. Solid covers are the right call in mild climates and in the shoulder seasons, and the wrong call if you will forget the pump.
Winter tarps are the budget version of a solid cover. They float directly on the water, they are held down with water tubes or bags, and they are held to nothing. They are excellent debris shields in leaf-heavy areas and perfectly adequate in a mild winter. They are not safety products and they tear under heavy snow.
Leaf nets are an autumn accessory rather than a year-round one. They sit above a safety cover or a winter tarp on a reel, and they stop a season of leaf fall from turning into a cleanup project. They do nothing for heat, safety, or algae.
Automatic covers are a separate category we did not test, and there is one warning that matters more than any product recommendation: an automatic cover is not a winter cover. It cannot take snow and ice loads, and owners with automatic systems pair them with a separate winter safety cover rather than running the automatic system through the cold months.
Mesh or Solid Pool Covers for Inground Pools: Which One Wins?
Mesh wins for most inground pool owners, and the reason is not performance. It is that mesh has no maintenance schedule. A mesh cover drains rain and snowmelt directly into the pool, so there is never standing water to pump off, and there is no weekly chore that quietly turns into an abandoned cover. Forum owners describe mesh as the set-and-forget option.
Solid wins on cleanliness and algae control. A solid sheet blocks light entirely, and with a black-backed model like the Blue Wave Arctic Armor, it actively suppresses the growth that would otherwise start on the surface. TroubleFreePool forum consensus has long held that mesh leaves the pool noticeably dirtier over winter and carries a higher chance of algae starting, while allowing rainwater through. That trade is real.
Here is how I would decide. If you are in a heavy leaf area or a mild climate, go solid, and commit to a pump. If you are in a northern climate with snow, or if you do not want to own a pump, go mesh. If you have children or pets, mesh is not optional, because only an anchored, tensioned cover functions as a safety barrier.
Mesh owners report the pool being practically clear at opening, needing only a light dust layer and a vacuum-to-waste pass. Solid owners report skipping the algae shock entirely. Both describe their choice as the right one, which usually means the decision is about your habits rather than about quality.
If you want both, the practical sequence is a mesh safety cover for the off-season and a solar blanket for the warm months. They solve different problems and they do not conflict, and that combination covers the full year for most pools.
If you are still torn, measure how much time you actually spend at the pool in the shoulder season. A pool you use in October and April is a solar blanket candidate. A pool that sits closed from October to April is a safety cover candidate.
How to Measure Your Inground Pool for the Right Pool Cover Size
Getting the size wrong is the number one source of returns, and most of it comes from a single ambiguity: nobody defines what the pool size means when a step is involved. Here is the method that matches how covers are actually manufactured.
Step one: measure length and width at the waterline. Measure the longest dimension across the pool, then the shortest. Do not estimate from a builder’s plan, because pools are frequently installed slightly off nominal dimensions. Use a tape, not a wheel.
Step two: account for steps and ladders. A pool with steps on one wall needs enough cover to reach past the top of the step, not just past the waterline. A four by eight foot center end step is the most common configuration, and covers built for it are cut several feet larger than the pool on the step side. Measure from the far wall to the top edge of the step.
Step three: add the overlap. Most winter and safety covers are supplied with a 5 foot overlap built in, so a 20 by 40 foot pool is commonly shipped as a 25 by 45 foot sheet. Two feet of overlap per side is the minimum that still lets a water tube or spring find deck surface. The extra material gives you margin and it reduces the permanent tension the cover has to sit in.
Step four: check the shape against the product. Rectangular covers fit rectangular pools. If your pool is kidney, oval, or has a rounded end, a rectangle will leave a gap or require a lot of trimming. A solar blanket can be trimmed freely because it floats and nothing is anchored. A safety cover cannot be trimmed without destroying the seams, so an oddly shaped pool needs a custom cover or a rectangle with enough overlap to cover the curve.
Step five: check your deck before ordering an anchored cover. Mesh safety covers need drilled anchor points. Confirm you have a concrete deck, confirm the spacing matches the anchor pattern the cover ships with, and confirm the anchors will land on solid concrete rather than on a paver or a stone lip you do not want drilled.
One more measurement detail catches people out: high water tables. If your pool sits low in the ground, an anchored cover stretched tight will resist the water pressure pushing up from beneath it. Ask a pool professional whether you need extra venting or a cover with a sump pocket, because a bulging cover tears at the seams first.
How to Install Pool Covers for Inground Pools
An anchored safety cover install takes most people an afternoon, and the order matters. Rushing the anchors is how people end up with a cover that sits crooked and never tensions properly.
1. Read the anchor layout first. The cover ships with a printed diagram showing where each anchor goes relative to the cover edges. Mark every position on the deck before you drill a single hole.
2. Drill and tap the anchors. Use the included rod and tamping tool to set brass anchors into concrete. Wear eye protection, and check for plumbing or reinforcement before you go through a deck. This is the step to do carefully rather than quickly.
3. Lay the cover flat first. Spread the cover on the deck beside the pool and let it relax. Lay it out in the orientation the diagram shows, because a cover installed rotated ninety degrees will not reach the anchor pattern.
4. Position the cover over the pool. With at least two people, walk the cover into place so the corner straps land over the marked anchors. Do not drag it across coping if you can help it, because that abrades the edge and weakens the seam that sits under tension.
5. Attach springs in a star pattern. Fit springs on opposite corners first, then work inward in an alternating pattern. Alternating pulls the cover into position evenly instead of dragging it toward the first corners you tighten, which is what causes the twisting and off-center tension that leads to tears.
6. Tension until drum tight. Every spring should have the same stretch. If one side is visibly higher or the center is sagging, adjust that spring rather than the others. A sagging center is where water pools and where snow load concentrates.
For a solid winter tarp the sequence is different and much faster. Float it over the water, center it, thread the water tubes through the sewn loops, and lay them across the surface in a crisscross pattern spaced a few feet apart. Then drain any collected water with a submersible cover pump. Checking on that water every week or two is the entire maintenance commitment of a solid cover.
For a solar blanket, the sequence is: float it with the bubble side down, trim any excess from the deck side, and pull it back a few inches from the pool edge so the water can circulate. That last step prevents a warm pocket from forming at the wall.
Two habits prevent almost every cover problem. Retension the springs after the first major storm, and never store a cover folded while damp, because mildew starts in a damp fold.
Pool Cover Care, Troubleshooting, and When to Replace
Most cover complaints fall into five categories, and all five are fixable or avoidable. Here is what owners actually report, and what to do about each.
Standing rainwater on a solid cover. This is the most common problem in the category and the reason owners abandon solid covers. Water collects in the lowest point, adds weight the seams are not designed to carry, and turns into a breeding ground. Run a submersible pump on a timer or a schedule you will actually keep. If you know you will forget, buy mesh instead, which never has this problem.
Mold and algae on the cover surface. A neglected cover that stays wet develops a green or grey film, and owners report the same on the pool side. This is not an emergency. Wipe it down, dry the cover fully before storing it, and address the water chemistry before replacing it. A cover that spent a season wet will smell even after cleaning, which is a separate problem.
Algae under the cover. Owners ask this constantly. It is usually caused by a warm, stagnant pool with insufficient sanitizer under a cover that blocks light but does not block gas exchange. The fix is to test and treat water chemistry before covering, and to leave the cover slightly off during warm sunny stretches. A cover cannot fix a pool that was already under-sanitized.
The cover shifted in the wind. This traces back to tension. A cover with slack on one side acts like a sail, and once the wind gets under it the whole sheet can move or dump into the pool. Owners describe exactly this sequence. Retension to drum tight after every major storm and check spring tension seasonally, and shifting stops almost entirely.
Tears and seam splits. Small punctures from branches or debris are repairable with a patch kit. Seam failures are not, because a split seam cannot carry tension. Once a seam splits, the cover has failed.
That gives us a clear repair-versus-replace rule. Repair the hole, replace the cover when the material turns brittle and crumbles at a fold, when webbing or straps loosen at the anchor points, or when you have more than one or two tears along a seam. A cover that has lost its stretch in the webbing can no longer be tensioned, and a cover that no longer tensions is a cover that will shift in the next wind.
On lifespan, owners ask this constantly and the honest answer is a range. Warranty lengths run from 5 to 15 years among these products, and a well-stored, tensioned cover can reach that. In practice, expect closer to ten years of real service from a good cover, less if you leave it on full-time through chlorine treatment or store it folded and damp. Bubble blankets degrade faster than solid tarps, and solid tarps fail at the seam before the fabric.
One timing note that catches people every year. Solid winter covers are seasonal items, and they are the ones that become hard to find once autumn arrives. If you need one for the coming winter, decide in early fall rather than waiting for the first cold snap. If you want a cover for next season, any time of year works.
If you are pairing covers, remember that the warm-season job and the cold-season job are different products. Our solar cover guide covers the in-season blanket side in detail, including reel placement and trimming technique.
Frequently Asked Questions
Which is better, solid or mesh pool cover?
Mesh is better for most inground pool owners because it drains rain and snowmelt into the pool, so there is never standing water to pump off. Solid is better at excluding debris and blocking the light that algae needs, and a black-backed solid cover suppresses growth outright. Choose mesh in northern climates, if you do not want to own a pump, or if you have small children. Choose solid in mild climates or heavy leaf areas, and commit to pumping it regularly.
What is the average lifespan of an inground pool cover?
Expect roughly ten years of real service from a good cover, though warranty lengths on these products run from 5 to 15 years. Solar bubble blankets degrade fastest, usually within a few seasons, because chlorine attacks the polyethylene film. Solid winter tarps and mesh safety covers last considerably longer, and they usually fail at the seam or in the webbing rather than in the fabric. Storing a cover dry and refolding it every few years extends its life more than anything else.
What is the best material for pool covers?
For winter and safety covers, reinforced polyethylene with a high scrim count is the standard, and scrim count is the number to compare. Anything at 8 by 8 and around 80 gsm is a light build, 12 by 12 at about 125 gsm is a solid all-rounder, and 16 by 16 at 220 GSM is the heavy end of the range. For solar blankets, mil thickness matters more, with 16 mil lasting longer than 12 mil under sun and handling.
Do I need a cover pump for a solid pool cover?
Yes. Any solid cover collects rainwater because it blocks water from passing through, and that water has to be removed or it loads the seams and turns into algae and mold. A submersible pump on a schedule is the standard answer. A mesh cover never needs one, which is the main reason many owners switch to mesh after dealing with a solid tarp.
Is it bad if there is algae on top of my pool cover?
It is not an emergency, but it means water chemistry was allowed to drift while the cover was on. A cover blocks light and slows gas exchange, which can create conditions that encourage growth. Clean the cover, test and treat the water before it goes back under the cover, and leave the cover slightly off during warm sunny stretches. Persistent algae under a cover usually points at sanitizer levels rather than the cover itself.
Can I use an automatic pool cover in winter?
No. Automatic covers are not engineered for snow and ice loads, and a heavy winter accumulation can damage the fabric or the tracks. Owners who own an automatic system pair it with a separate winter safety cover and run the automatic system only in the warm months.
The Best Pool Covers for Inground Pools in 2026
The best pool covers for inground pools in 2026 come down to which problem you are solving first. Warm water for less money in the summer, a real safety barrier for children and pets, or dependable protection through a northern winter will each point you at a different product, and buying the wrong category is the mistake that costs money.
Our pick for most people is the BigXwell 16×32 16 mil solar blanket, which is the best overall balance of heat retention, evaporation control, and owner satisfaction in this roundup. For a household with young children, go with the VEVOR mesh safety cover and anchor it properly, because an unanchored cover is not a safety cover. For a heavy snow climate, the Pool Mate Platinum 18×40 uses a 12 by 12 scrim at 125 gsm, and that fabric weight is what determines whether your seams survive February.
Whichever one you pick, measure the pool properly before you order, including steps, and buy the overlap. A correctly sized cover installs in an afternoon, and an incorrectly sized one is a return. Once it is on, keep the tension drum tight and check it after every major storm, and it will keep doing its job for years.
Before you go further, it helps to know the rest of the equipment around the pool that pairs well with a cover. Our inground pool pump guide covers circulation, and our robotic cleaner roundup for large inground pools handles the cleanup that follows a cover coming off.