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InsightHorizon Digest

What should I look for when buying a solar pool cover

Author

Isabella Harris

Updated on March 31, 2026

Select a light color for the pool cover. Darker colors and blues may look nicer over the water, but a clear cover is the most effective because it allows the sun’s rays to penetrate. A black cover will quickly heat up, but the long-lasting effects will not be as effective as a clear cover.

What should I look for in a solar pool cover?

To get the most heat transfer from a solar blanket, look for one that is white or clear on top, with dark or black bubbles. The dark color will absorb the sun’s heat and will transfer that heat to the water they’re touching.

How many mil should a solar cover be?

What mil solar cover should I get? If you don’t mind springing for more chemicals and you want your pool water warmed up as quickly as possible, an 8 mil cover is a good choice. Just be mindful of the fact that a thinner cover is more likely to be picked up by a strong wind.

Which pool solar cover is best?

  • Our #1 Pick: Sun2Solar Heat-Retaining Blanket. BUY ON AMAZON. …
  • Best for Round Pools: Blue Wave Solar Blanket. BUY ON AMAZON. …
  • Best for Rectangular Pools: Intex Solar Cover. BUY ON AMAZON. …
  • Sun2Solar Solar Cover. …
  • Robelle Heavy-Duty Solar Cover. …
  • Blue Wave Solar Blanket. …
  • Solar Sun Rings Pool Heater.

What size solar cover do I need for my pool?

To determine what size solar pool cover you need, simply measure the longest and widest points of the pool. When the cover is installed, it’s best to completely covers the water surface so there aren’t any gaps for heat to escape.

How long can I leave my solar cover on my pool?

You can leave your pool cover on any time you’re not swimming. In fact, it’s recommended. During daylight hours, the more you keep the pool cover on, the more efficiently it will heat your pool.

What color is best for pool cover?

Dark Blue solar covers do the best job at keeping the heat in a pool, and although heat absorption and convection is higher with a darker colored solar blanket, the net heat gain during the day is less than with clear blankets.

Should I take my solar cover off during the day?

For this reason solar covers (unlike solar rings) will actually block sunlight and keep heat out of the pool during the day – not magnifying the sun like many people will assume. So for these reasons a solar cover should be put on in the evening and removed in the morning, for maximum benefit.

How many degrees will a solar cover heat a pool?

Heat Retention Solar covers work to raise the temperature by the pool up to 12 degrees because the tiny air pockets capture heat from the sun and transfer it to the pool water while also acting as insulators to prevent heat from escaping off of the surface of the water.

Do bubbles go up or down on solar cover?

These covers generally work in the way the sun rays heating the air trapped within the bubbles. The heat, therefore, is then transferred into the pool water. Thus, this is precisely why the bubbles in the solar pool covers should always face down towards the pool water instead of facing up towards the sky.

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What is the best thickness for a pool cover?

400B Micron Pool covers The 400 micron thickness is usually the recommended starting point for a quality pool cover. This is the Goldilocks level in pool covers, not too thin, not too thick, just right.

Does solar blanket thickness matter?

A thicker solar blanket means a longer life, as long as you are following a regular maintenance and care routine. Thicker covers will also handle chemical burning and solar wear and tear better than thinner covers, however you will still cause damage to these products quickly if proper care is not taken.

How thick is a 1600 series solar cover?

Quality. The Sun2Solar Pool Heating cover, specifically the clear 1600 series is made of thick sheets with 16mm air bubbles. The air bubbles are purposely half-inflated, and will expand once exposed to heat.

Does a solar cover have to cover the whole pool?

They get really hot and the plastic material degrades. What’s great is that you don’t need to cover your entire pool to reap the benefits. Many pools are kidney shaped, but you can float a rectangular cover over only a portion of the pool, and it’ll still help considerably. Covers can be dangerous!

Are solar covers worth it?

Solar pool covers provide the same benefits as regular pools covers. They keep debris out of your pool, prevent algae growth, and reduce pool evaporation. … The less algae there is, the more time you can spend actually enjoying your pool. By using a solar pool cover, you can also limit the evaporation of your pool water.

Should I cover my pool every night?

You should cover your pool every night for several reasons. First off, a pool cover saves energy and conserves water by decreasing the amount of make-up water. Also, it reduces the consumption of chemicals, and finally, it saves a lot of cleaning time since it keeps the debris out of the pool.

Why are solar pool covers not black?

The transparency of the clear solar cover allows solar rays to hit the cover and push deeper into the pool. This allows solar heat to penetrate further into your pool than most other colors, without requiring any additional water circulation methods.

How much does it cost to install a pool cover?

Low Cost$100Typical Cost$700High Cost$2,200

Can I leave my solar cover on when it rains?

When automatic pool covers are utilized properly, they are a physical barrier between you, your children, pets, and neighbors’ children. So, to leave the cover open and unattended while it rains just for the convenience of not having to pump the water off before you swim is a dangerous idea.

How do you store a solar cover when not in use?

To prevent mildew, the cover must be completely dry before it is stored. Your cover likely has seams on which you can fold it to prevent creasing in other, unwanted areas. Once it is folded on the seams, you can roll it up the rest of the way and place it in a large bag. Many solar covers come in a bag for storage.

Does pool warm faster cover off?

Insulating the Pool Water from Heat Loss Air bubbles in the pool cover act as an insulator in a similar way that your thermos would keep water warm. A pool cover will, therefore, keep your pool water warmer for longer.

Will a black tarp heat my pool?

Because a black tarp on a swimming pool’s water surface traps solar heat energy, it will eventually turn cool, refreshing pool water into a tepid, warm bath.

When should you put the solar cover on pool?

Basically, the best time to use a solar pool cover is anytime you’re not swimming. This will help maintain your water level and keep your pool water to a nice heated swimming temperature. Especially during the nighttime when temperatures are most likely to drop.

Should you cover pool when raining?

When preparing your pool for a storm, leave it uncovered. Installing any kind of cover across the pool will not do much to protect against dust and contaminants because storms often bring strong winds and heavy rain that can cause the cover to lift off your pool.

How do I choose a pool cover?

To properly cover and close, your pool cover must be that is the correct size of your pool. For an in-ground pool, according to experts, your pool cover should extend at least 3 inches past the edge of the pool. Prior to purchasing a cover, you will need to measure to find the correct dimensions of your swimming pool.

What should I look for in a solar blanket?

  • Technology: Look for a solar blanket that use monocrystalline cells. …
  • Size: Choose a solar blanket big enough to provide enough power to run your appliances and charge your batteries. …
  • Design features: Look for handy add-ons that will make camping life easier. …

How thick is a 1200 series solar cover?

More InformationSolar Cover StyleSupremeThickness (Series)1200 Series™Pool ShapeRectangularPool Size24′ x 44′ Rectangular

How thick are Sun2Solar pool covers?

Sun2Solar Blue 16-Foot Round Solar Cover Made of 16-mil-thick polypropylene, this cover has a thick layer of air bubbles that do a superior job of collecting, transferring, and retaining heat. The cover also insulates the pool at night and reduces evaporation during the day.

Should a pool cover touch the water?

The cover is designed to touch the surface of the water. So your pool should always be filled when covered, and the water level should never go below 18 inches from the top of the pool. Check the water level of the pool and fill it up if it goes below 18 inches.