Protect your pond and keep your fish healthy with Aquascape Protect for Ponds. This all-natural formulation of tea tree oil and other plant-based biopolymers reduces fish stress, prevents parasites and bacterial infections, and speeds up the healing of wounds. It won't discolor pond water and is safe for use with biological filters, fish, plants, pets, and wildlife. With accurate measuring of 100 gallons per pump and an 8-ounce bottle treating up to 5,000 gallons, you can keep your pond safe and healthy.