Instant Ocean Salts Size:50 gallon Mixture Vane life expectancy is 12

Vane life expectancy is 12 to 36 months depending on operating pressure

Aquatic Xtreme Fish Feeder® utilizes a high velocity

Large pellet will not restrict flow when compared to competing brands

The Display Monitor is NOT waterproof and must be operated on a dry surface

Instant Ocean Salts Size:50 gallon Mixture Vane life expectancy is 12Instant 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.