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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.
Solar pool covers do more than just trap the sunâs heat in a swimming pool. They keep out leaves, dust, and other debris that blow into an uncovered pool, and thus reduce the frequency of skimming and vacuuming chores.olar pool covers do more than just trap the sunâs heat in a swimming pool. They keep out leaves, dust, and other debris that blow into an uncovered pool, and thus reduce the frequency of skimming and vacuuming chores.