Save ground water by covering all pools in California.
I was told by a pool expert that most home pools can evaporate up to 150 gallons per day during the hot summer months. Last summer, I was added up to 1,600 gallons a week by a water-trucking company to the pool because my water well could not keep up with the demand.
After buying a professional pool cover that floats on the water, the evaporation was cut by 95%. Just imagine how much drinking water could be saved and used to grow our food in California instead of keeping pools filled.
This is not the end of enjoying your pool, simply roll the cover back when you want to use it.