Therma Swim Liquid Solar Cover
Reduces heat loss. Easy to use--just pour into pool. Doesn't affect operation of pool cleaners. Environmentally safe--biodegradable. Dosage: Pour entire contents of bottle into pool in front of return. Use one bottle to treat above-ground pools and two bottles to treat inground pools each month.
Also known as Dolphin Therma Swim due to the shape of the bottle.
Helps reduce water evaporation and keeps your pool warmer.