Saltwater & Freshwater & Reef Safe. Fish Care Products Treats up to 960 gallons. A full-function, buffered, water conditioner for ponds and aquariums. Detoxifies Nitrite. Destroys and removes chloramines. Removes ammonia. Removes Chlorine. Detoxifies heavy metals. Adds a multi-part skin-slime replacer. Adds essential electrolytes. Boost alkalinity. Also available in 4 oz.