Our Crystal Clear Fountain Cleaner is an outstanding product designed to keep your fountain clean & clear. This fountain treatment product helps prevent stains, sludge, mineral deposits & organic contaminants from forming in your water fountain basins. Our Fountain Cleaner conditioner contains high levels of bacteria colonies & 6 enzymes to clean ceramic, marble, metal, fiberglass & stone fountain basins. Crystal Clear fountain care should be applied once a week to continually keep the water clean & healthy. This fountain treatment product is completely natural and is safe for wildlife. One 8 oz bottle treats up to 80 gallons of water.