Sun2Solar Crystal Clear 20-Foot-by-45-Foot Rectangle Swimming Pool Solar HEATING Cover Blanket - 16 Mil NJW1_C9DOG16

Clear Covers are a pools best friend! The purpose of a solar blanket is to allow the MAXIMUM amount of suns rays to penetrate to the greatest depths of your pool. In tests, the clear cover has been shown to be the most effective method for providing passive solar heating in your pool.