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Solar Covers heat your pool in two stages: first by absorbing solar energy to heat the pool, and then by retaining the heat to keep the water warmer longer. The small bubbles on the Solar Cover are filled with air that heats up when the cover is in the sun.
If you get at least five hours of sunlight on your pool per day, you will receive a benefit from your solar pool cover. In fact, your water will heat as much as 1Â° per day! Another reason solar blankets are so effective is that they also help to trap heat in the pool water at night when it is cool.eeping a pool clean is enough maintenance for most pool owners, so absorbing the extra cost of not having a solar cover is an acceptable trade-off. However, in these economic times it is looking more and more tempting to save on pool heating costs.