Outdoor swimming pools absorb up to 85% of direct solar energy from the water's surface. However, when not in direct sunlight, pools lose energy and warmth in cooler air. A solar pool cover optimizes solar energy absorption and conserves heat by sealing it in the water. It can raise the temperature of a pool as much as 20° Farenheit within a week.
According to the Energy Star organization, covering a pool when it is not being used is the most effective way to save on heating costs.
Budget solar cover for above ground pools Reduce heating costs and chemical usage
200 micron 0.22kg per sq.m