Weco Wonder Shell Natural Minerals for Ponds Giant - Pond Water Treatment & De-Chlorinator

Weco Wonder Shells are great for pH calcium and water hardness control in small aquariums and fish bowls. These all-in-one treatments provide calcium carbonate sodium thiosulfate and necessary trace elements including magnesium. Helps keep aquarium clear and maintains stable pH levels Adds necessary minerals while removing chlorine Great for goldfish livebearers cichlids and more Weco Wonder Shells provide magnesium and calcium which have been proven to help fish during stress and to prevent disease due to acid buildup in the body. These shells instantly remove chlorine and chloramines from tap water while also clearing cloudiness. Scour inner glass walls with a Wonder Shell to remove scum and to deter its return. Sizing: Small: Bowls up to 1 Gallon Large: Tanks up to 5 Gallons Super: Tanks 10-15 Gallons Giant: Fish Ponds