A good solar cover does two jobs at once, it helps your pool hold warmth and it cuts down on evaporation while the water sits unused. For you, that usually means fewer chilly surprises after a cool night and less time spent topping off the pool before the next swim. The right pick depends on pool shape, thickness, and how much handling you want to do each week. Some covers feel easier to manage, others lean harder into heat retention.
Quick Look At Our Top Picks
In The Swim 18′ Standard Blue Round Solar Pool Cover 8 Mil
In The Swim 24′ Standard Blue Round Solar Pool Cover 8 Mil
Blue Wave 24-ft Round Solar Pool Cover 8-Mil Blue
18 Foot Round Solar Cover for Inground and Above Ground Pools 12 Mil
Real Relax 16 mil Solar Pool Cover 16 x 32 ft Rectangle Bubble Blanket
Bestway Round Solar Pool Cover for 18′ Above Ground Pool
Blue Wave 24-ft Round Solar Pool Cover 12-Mil Clear
More Details On Our Top Picks
This 8 mil round cover fits a familiar middle ground, light enough for regular handling, yet substantial enough to help a pool hold onto warmth after sunset. In a backyard where the pool gets used a few times a week, that balance usually matters more than chasing the thickest sheet on the shelf.
The 18-foot round size is the key detail here, since you want a tidy fit instead of extra overhang that turns into a wrestling match during storage. Compared with the larger In The Swim 24-foot version, this one makes more sense for smaller round pools and for anyone who wants less bulk to roll up.
Strong Points
- 8 mil thickness keeps handling relatively manageable.
- Round 18-foot sizing suits common above-ground setups.
- Helps capture daytime warmth and hold it overnight.
- Blue finish keeps the look simple and familiar.
Things To Consider
- Thinner covers usually need gentler storage to stay in good shape.
- Best fit depends on a true 18-foot round pool.
Feature Snapshot
Who It Suits Best
You get the most from this pick when your pool is 18 feet across and you want a straightforward cover for routine seasonal use.
A Better Fit Elsewhere
In The Swim 24′ Standard Blue Round Solar Pool Cover 8 Mil suits larger round pools better, especially when your water surface needs broader coverage.
The larger 24-foot round format gives this cover a clear job, spanning more surface on pools that need broader thermal help. For most backyard setups that already use a big round shell, that extra coverage matters more than flashy extras.
Like the 18-foot sibling, it stays at 8 mil, so you get the same easier-handling profile with a bigger footprint. The trade-off is simple, more area usually means more material to manage, which you’ll notice during setup and when you store it between uses.
What We Like
- Wide 24-foot coverage suits larger round pools.
- 8 mil build keeps it less cumbersome than heavier blankets.
- Supports daytime warming and overnight heat holding.
- Blue color keeps sun-cover styling familiar.
Worth Noting
- Big round covers take more space to roll and store.
- Only works cleanly on a true 24-foot round pool.
- Thinner material needs careful handling to avoid wear.
Technical Sheet
Built With In Mind
You’ll appreciate this one most if your pool is a large round model and you want a simple, familiar cover format.
Where A Sibling Pick Shines
In The Swim 18′ Standard Blue Round Solar Pool Cover 8 Mil suits smaller round pools better, especially where easier handling matters more than full-span coverage.
Blue Wave leans into the thermal-bubble idea more explicitly than the simpler In The Swim covers above. The small air pockets are meant to catch sunlight and move that warmth into the water, which is a sensible fit for a pool that loses heat overnight and needs help holding on to it.
The 24-foot round size keeps it in the same neighborhood as Item 2, but the 8-mil build and bubble-focused design make the value proposition feel a bit more specialized. The honest read is that you’re choosing this for heat retention behavior first, not for a heavy, tank-like feel.
Highlights
- Thermal bubbles are built for solar heat capture.
- Round 24-foot sizing covers larger circular pools.
- 8 mil thickness keeps handling more approachable.
- Works well for owners focused on overnight warmth.
Small Caveats
- Bubble blankets still need careful folding and storage.
- Eight mil is not the thickest option here.
Core Details
Whose Shelf It Belongs On
This suits you best when heat retention matters more than extra heft and your pool already uses a 24-foot round layout.
Swap It Out When
Blue Wave 24-ft Round Solar Pool Cover 12-Mil Clear makes more sense for you if thicker coverage and clearer light transfer sound worth the jump.
The move to 12 mil changes the feel right away, because you’re getting a thicker blanket than the earlier 8 mil options. That usually suits owners who want a more substantial cover for regular use, especially in a pool that sits uncovered for longer stretches between swims.
This one also brings a practical mix of heat retention, evaporation control, and debris blocking, so it pulls more than one job at once. For an 18-foot round pool, that combination can cut down on the small chores that pile up around weekend swimming, though the extra thickness does make handling a little less casual.
Reasons To Buy
- 12 mil thickness gives a sturdier feel.
- Helps hold warmth through cooler nights.
- Reduces evaporation, which can lessen refill chores.
- Also blocks leaves and dirt from settling in.
Areas To Watch
- Thicker material can take more effort to roll up.
- Best fit stays tied to an 18-foot round pool.
- Storage space matters more with heavier blankets.
Details At A Glance
Perfect Match For
You fit this cover best when you want a sturdier round option for an 18-foot pool and don’t mind the extra handling effort.
Consider Something Else When
In The Swim 18′ Standard Blue Round Solar Pool Cover 8 Mil makes more sense for you if lighter handling matters more than the thicker feel.
This is the square-shouldered option in the lineup, and that matters because rectangular pools need a cover that respects straight edges instead of forcing a round compromise. The 16 mil thickness also pushes it into a more substantial category, which can suit a pool that sees regular use and longer overnight exposure.
Compared with the round covers above, this one is less about casual single-pool convenience and more about matching a specific pool shape cleanly. You may find the thicker material reassuring, though it can also mean more effort during folding and storage after a swim day.
Positives
- 16 mil build feels substantially thicker than the 8 mil options.
- Rectangle format suits straight-sided pool layouts.
- Bubble blanket design supports heat trapping.
- Blue color keeps the look straightforward.
- Good fit for larger pool surfaces.
Softer Spots
- Large rectangular covers take more room to store.
- Heavier material can be less convenient to handle alone.
- Shape fit matters, so pool measurements need care.
Quick Facts
The Right Fit
You’re the right match for this pick when your pool is rectangular and you want a thicker solar blanket that feels more substantial in daily use.
A Better Fit Elsewhere
Blue Wave 24-ft Round Solar Pool Cover 12-Mil Clear suits round-pool owners better, especially those who want a round shape with a different balance of thickness and heat transfer.
Bestway takes a more utilitarian angle here, aiming squarely at 18-foot round above-ground setups with frame or steel wall construction. That narrow fit focus helps the cover feel less generic, and in a busy backyard it often means less guesswork at setup time.
The built-in emphasis on keeping the pool warm and cleaner between uses makes this a sensible everyday helper rather than a flashy upgrade. The trade-off is that you’re buying for a specific pool style, so it rewards owners who already know their wall type and size.
Best Bits
- Made for 18-foot round above-ground pools.
- Suited to frame and steel wall models.
- Helps keep water warmer between swims.
- Aims to block leaves and debris.
Points To Note
- Works best within a tighter pool-size target.
- Cleanup and storage still follow standard cover routines.
At A Glance
Who Should Grab It
This suits you best if your 18-foot pool uses a frame or steel wall build and you want a straightforward cover with a clean fit.
Look Elsewhere When
In The Swim 24′ Standard Blue Round Solar Pool Cover 8 Mil is the better match for larger round pools that need more surface coverage.
Blue Wave’s 12-mil clear cover sits at the more substantial end of this group, and the clear finish changes the feel from the blue covers above. Clear material tends to be chosen by pool owners who want a different balance of light passage and heat collection, especially on a large round pool that stays open for a good part of the season.
Because it’s still a 24-foot round cover, it stays relevant for the same larger backyard pools as Item 2, but the thicker build shifts it toward a more premium feel. The honest trade-off is plain, more material can be less easy to manage, though that thicker presence may suit owners who want a cover that feels more substantial in regular use.
Bright Spots
- 12 mil thickness gives a more substantial feel.
- Clear finish offers a different solar-cover style.
- 24-foot round size suits larger pools.
- Good match for owners wanting more coverage heft.
Honest Caveats
- Thicker material usually means more effort to fold.
- Large round covers need more storage room.
- Clear style may not be everyone’s look preference.
Core Details
Who Will Love This
You’ll like this most if your round pool is large and you want a thicker cover with a clearer look than the blue options.
Reach For A Different Pick When
Blue Wave 24-ft Round Solar Pool Cover 8-Mil Blue suits you better if you want the same round size with easier handling.
How To Choose The Right Above Ground Pool Solar Cover
Match Shape And Pool Size First
Round covers belong on round pools, and rectangle covers belong on straight-sided pools. That sounds obvious, but the wrong shape wastes heat potential and creates annoying overhang that’s harder to fold and store. Measure the water surface carefully, then choose a cover built for that exact footprint.
Thickness Changes Handling And Feel
Mil thickness is the cover’s material thickness, and it affects both sturdiness and ease of use. An 8 mil sheet is lighter and easier to move, while 12 mil and 16 mil options usually feel more substantial and can suit longer seasonal use. The trade-off is simple, thicker material often takes more effort to fold, roll, and keep tidy.
Clear And Blue Covers Play Different Roles
Blue covers are common because they’re straightforward and familiar, while clear versions shift the look and can change how light moves through the material. That difference matters more than style alone, since some pool owners care most about day-to-day warmth retention and others want a thicker-feeling blanket. For a pool that stays open often, the visual choice should still line up with how much handling you want to do.
Think About Storage Before You Commit
A solar cover lives a rougher life than it looks at first glance. It gets dragged, folded, rolled, and stored, so the easier it is to move, the more likely you are to use it consistently. Bigger pools and thicker covers usually need more storage room, and that practical detail is worth planning around before you reach for a large format.
What To Weigh Before You Buy
Common Shopping Slip Ups
A lot of headaches start with pool size, not material quality. Round covers on rectangle pools, or a cover that’s a little too small, can undermine the whole point of using one. You also want to think about where the cover will live between uses, because a bulky sheet in a cramped shed turns routine upkeep into a chore.
What The Higher Tier Buys
Thicker covers usually cost more because they use more material and feel more substantial in hand. In this category, that often means better resistance to everyday wear and a little more confidence when the pool sits uncovered for longer stretches. The upgrade tends to make sense for larger pools, frequent use, or owners who want a cover that feels less flimsy during handling.
Frequently Asked Questions
How do you choose the right size?
Match the cover to the pool’s shape and diameter or length first. A close fit helps the cover stay in place and do its job more cleanly.
What does mil thickness mean?
Mil is a thickness measurement for the cover material. Lower numbers usually feel lighter, while higher numbers usually feel thicker and more substantial.
Do clear covers work differently from blue ones?
Clear covers are chosen for a different balance of light passage and heat behavior. Blue covers are the more familiar choice and often feel simpler for everyday use.
Can one cover fit both above-ground and inground pools?
Some listings are made for both, but the actual fit still depends on shape and size. Always match the listed dimensions to your pool before you choose.
How do you store a solar cover?
Roll or fold it carefully, then keep it somewhere dry and out of harsh weather. A clean storage spot helps the material stay easier to handle next time.
Final Thoughts
A solar cover works best when it matches your pool shape, your storage space, and how often you want to handle it. The lighter 8 mil options make sense for simpler routines, while the thicker 12 mil and 16 mil picks suit owners who want more material under hand. Round pools have the easiest path here because several solid choices line up cleanly, and the rectangular Real Relax cover fills the gap for straighter layouts. Pick the cover that fits your pool first, then choose the level of heft that feels manageable week after week.
