The All-In-One Pond and Fountain Protector ;is a ;carefully formulated water protection agent, which ;can be used for all of your outdoor clean and fresh water needs. It works with still, slow-moving, and fast-moving water that contains fish, aquatic plants, and/or amphibians. Maintains water clarity and prevents sludge build-up. This product prevents stains, organic contaminants, and mineral deposits. It is 100% biodegradable & non-toxic, and it is made from natural, bacteria-free plant enzymes. Just one capful a week keeps water clean and clear naturally. It is safe for wildlife and pets that may drink from the water.