this version of the sand is for freshwater and is ph neutral. says it will not alter water chemistry. its not the argonite sand.
Important: Saltwater or African Cichlid Aquariums: Instant Aquarium is also safe for use in saltwater aquariums. Keep in mind that Instant Aquarium is a pH neutral product and proper pH for marine aquariums must be maintained by a marine buffer. from the bag..
Important: Saltwater or African Cichlid Aquariums: Instant Aquarium is also safe for use in saltwater aquariums. Keep in mind that Instant Aquarium is a pH neutral product and proper pH for marine aquariums must be maintained by a marine buffer. from the bag..




