Hydra Aqua-Brite (Keeps Dyed Water Clean in Fountains and Water Features) 500ml
500ml 5,000 litres (1,100 gal) 500ml 15,000 litres (3,300 gal). DO NOT USE Hydra Aqua-Brite in water systems with fish, plants, and other aquatic life. Hydra Aqua-Brite decomposes fast to convert intoeco-friendly bi-products.