Keep your pool cover clean with this Leisure Time 1 pt. Cover Care. This liquid formula cleans, restores, and protects your spa cover against fading, discoloration, and damage caused from weather exposure. It protects against UV rays while repelling dust, water, and dirt. You can use this liquid formula to clean and protect any vinyl surface including your car, boat, patio furniture, as well as your hot tub cover. This pool cover care and conditioner formula is compatible with chlorine, bromine, and biguanide sanitizers.