Bioverse 0150 Healthy Ponds Bird Bath Water Cleaner Bird bath water cleaner Treats 1 gallon of water to 7 gallons of water; includes 2 cleaners per pack It is efficient in the prevention of stains, mineral deposits and organic build-up found in bird baths Made of UV protected polycarbonate plastic Measures 24.5-inch width by 3.25-inch height by 9.88-inch depth