21′ Round Blue/Black Above Ground Solar Blanket – 8mil
Purchase to widest width and length of swimming pool including steps. Trim to size with scissors to fit custom and kidney shaped pools.
This blue/black solar blanket heats, maintains and increases water temperature better than blue or clear covers and acts to reduce algae. Designed for maximum heat transfer, our new Thermo-Shield™ blue/black solar blanket outperforms the others by increasing the water temperature over 25% above conventional solar blankets.