Aqua Natural Oolitic Aragonite 20lb Aquarium Sand for reef, saltwater and marine tanks aquariums

Unsurpassed buffering capability - keeps pH at a stable 8.2 98% pure calcium carbonate - no impurities like other sands Naturally renewable oolitic aragonite from a sustainable source Pisces is the only company that has a lease with The Bahamian government to harvest aragonite Age range description: All Life Stages