Let the sun warm your pool by up to 15°F! Reduce chemical and water evaporation with our 8-mil Solar Blanket for Round Above-Ground Pools. In order to optimize heat retention this blanket has an opaque blue color that allows the maximum amount of sunlight to reach the water. This innovative technology can increase your pool?s temperature up to 15 degrees Fahrenheit. Thermal bubbles retain warmth even after the sun is gone keeping pool water warm through cloudy days and cool nights. Our blankets are UV-protected and are designed to withstand years of direct sunlight. Backed by a 3-Year Warranty our solar blankets surpass Intex pool covers in durability and performance.