SeaKlear Enzyme Klear for Spas, 1 Pint Bottle Biodegradable and environmentally friendly Destroys oily scum lines and odors Assists in the removal of excess oils from pool water Compatible with bromine, chlorine, ozone and peroxide sanitizers Made in the United States Destroys scum lines and odors Assists in removal of excess oils from spa and hot tub water Works best with SeaKlear Spa Natural Clarifier use in heavily used spas and hot tubs where oil is a problem Available in 1-pint