Zap-Cal Aquarium Equipment De-Scaler 16oz.
Zap-Cal Instant Aquarium Equipment De-Scaler is a biodegradable safe technology cleaner formulated to rapidly dissolve all types of mineral scale, lime and rust. It was specifically designed to instantly remove calcium carbonate (coralline algae) from equipment used for marine aquariums. Zap-Cal is safe for use with plastic, ceramic, rubber, pvc, titanium, copper, nickel and short term use with stainless steel.