Why your pool never seems to hold its heat
You dip a toe in the pool at eight in the morning and pull it straight back out, the water still holding onto last night's chill. Skimmer net in hand, you're picking leaves out before anyone's swum a single lap. It's the two chores in one problem that gets people looking at a solar pool cover: heat you didn't pay for, and debris you didn't invite. The question is whether a sheet of blue bubble plastic actually does either job, or just sits there looking optimistic.
How a solar pool cover actually works
The mechanism is the bubble wrap, not the color. Each air pocket acts like a tiny lens, letting sunlight through to the water while trapping the warmth that tries to rise back out, the same trick a greenhouse pane pulls off with glass instead of plastic. Lay it bubble side down and you're not adding heat so much as stopping the pool from losing what the sun already gave it during the day. That's also why evaporation drops so sharply with one on: water can't evaporate through a lid, and evaporation is the biggest way a pool bleeds heat and chemicals into the air at once. Cut the evaporation and you cut the chlorine you're topping up weekly, along with the leaves and grit that would otherwise drift down uncovered. The catch is fit. This one is cut for an 18 foot round Easy Set or metal frame pool, and the plastic has no memory of your pool's actual rim, so a slightly wrong size turns a snug lid into a floppy one that blows around and lets the exact heat and debris back in that you bought it to stop. The other catch is that the sun doing all this useful heating is also breaking the plastic down, bubble by bubble, over a season or two of UV exposure. It's a wear part, not a fixture, and it behaves like one.
So you're not buying a heater and you're not buying a tarp, you're buying a lid that slows down what your pool is already trying to do: lose heat and lose water to the air. Measure your pool before you order, because a lid that doesn't sit flat against the rim is decoration until the wind takes it. Get the fit right and the sun does the actual work for free.
Who the Intex solar cover is for, and who should skip it
Worth it if
- your pool is exactly an 18 foot round Easy Set or metal frame pool
- you want to cut evaporation and chemical top ups without running a heater
- you're willing to measure carefully before ordering
- you're fine treating it as a one to two season part
Skip it if
- your pool is a different shape or size
- you want a cover that lasts many years without replacement
- you won't store it out of direct sun between uses
Not for oddly shaped or off-size pools, or anyone wanting a cover that lasts a decade untouched.
Is the Intex solar pool cover worth it
If you're covering a genuine 18 foot round Easy Set or metal frame pool, this is a quiet way to cut heating and chemical costs without touching the pump. If your pool is a different size or shape, or you want a cover that survives untouched for years, this isn't built for that; budget for replacing it every season or two.
Picture the cover going on at dusk and the water still warm the next morning, the net staying dry because nothing loose blew in overnight. That's the whole payoff: less shivering, less skimming, a little less chemical to buy each month. With well over thirty thousand people rating this one, the pattern that comes through most is genuine satisfaction with how it warms and cleans the water, alongside a fair share who found it wore out sooner than hoped or didn't quite match their pool. Order to your exact size, expect a season or two of life from it, and it earns its spot on the water.
Amazon shoppers rate it 4.2 out of 5 across 33,338 ratings. That is their number, not ours.
Before you go
does a solar pool cover really warm the water
Yes, it works by trapping the sun's warmth in the water rather than adding heat itself, so it holds onto heat the pool already gained during the day.
how long do solar pool covers last before they need replacing
Expect roughly one to two seasons of regular sun exposure before the plastic starts breaking down, since UV that heats the water also degrades the bubbles over time.
does a solar cover actually reduce evaporation
It does, because sealing the surface stops water from evaporating into the air, which is also the main way a pool loses heat and chemicals day to day.
what size solar cover do I need for an 18 foot round pool
This one is cut specifically for an 18 foot round Easy Set or metal frame pool, so measuring your actual pool before ordering matters more than trusting the listed size alone.
By the numbers
We have reviewed 94 home & garden products. 94% land where this one does: worth it, with a condition attached. Only 6% earn an unconditional yes at full price. Every verdict is published as open data in the Is It Worth It Reviews Verdict Dataset (CC BY 4.0).
Full spec sheet
| Brand Name | Intex |
|---|---|
| Model Name | 18FT Round Solar Cover |
| Model Number | 28015E |
| Included Components | Intex Solar Cover |
| Item Part Number | FPS-91765 |
| Item Type Name | Intex Solar Cover for 18ft Diameter Easy Set and Frame Pools |
| Manufacturer Part Number | 28015E |
| Unit Count | 1 Count |
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