BFG1169 Features: * Water conditioner * Metals are toxic to all tropical fish when tap water is used in the aquarium * Use white never changing water or adding tap water to the aquarium * Heavy metals such as copper, lead, and zinc are found in most tap water supplies * Made in United States Options: * Available in 1.25 oz. and 4 oz. sizes Dimensions: * 1.25 oz. Dimensions: 6.5" H x 1.13" W x 3.38" D * 4 oz. Dimensions: 6" H x 1.5" W x 1.5" D