Removes chlorine from tap water. Works instantly Concentrated formula Safe for fish and plants Water Conditioner 16oz. Treats 16,000 Gallons PDWC16 Water Conditioner 32oz. Treats 32,000 Gallons PDWC32 ponddepot@msn.com Copyright - All World Rights Reserved Pond bacteria, Pond Kits and Pondless Waterfall kits, Filter Pads, Underwater Pond Lights. pump replacements and pond algae control. Pond Depot provides excellent technical assistance and fast shipping for all orders. The staff at Pond Depot are highly trained and experienced in installing and maintaining ponds. We will gladly answer any questions that you have. Pond Depot your online pond superstore!