Aquascape Protect for Ponds SL uses an all-natural formulation of tea tree oil and other plant-based biopolymers to effectively protect pond fish. Protect for Ponds SL is available in a 32 oz bottle and designed for use with the Dosing System SL and Automatic Dosing System. The special formulation effectively reduces fish stress, prevents parasites and bacterial infections, and accelerates the healing of superficial wounds, scrapes, cuts, and breeding abrasions. Protect for Ponds SL is great for use after handling fish, performing pond clean outs, or conducting water changes. The treatment will not discolor pond water and is safe for use with biological filters. Protect for Ponds SL is safe for fish, plants, pets, and wildlife.