SolarPill Liquid Solar Blanket for up to 12,000 Gallon Swimming Pools - 4 Pack

Easy to use; simply place in skimmer; automatically dispenses the formula for optimum coverage Forms an ultra-thin invisible barrier on the surface of the water that reduces heat and chemical loss by reducing water evaporation Helps extend your swimming season 1 SolarPill™ lasts up to 1 month Once the SolarPill™ is empty, simply remove from your skimmer