Instant Ocean Salts
Size: 50 gallon Mixture
Instant Ocean® has been the preferred salt mix of public aquariums and home aquarium owners for many years. It is scientifically blended to contain every minor and major trace element required to make artificial seawater. Phosphate and nitrate free, it dissolves quickly without insoluble residue. Each package will make a 32 ppt salt solution at listed volume. Contains no chlorine remover.