Grain size diameter of .5-1.5mm. Natural samoa pink colored sand for saltwater aquariums and reef systems. Reduces nitrates, maintains pH, increases carbonate hardness, and provides marine trace elements.
This premium sand is ideal for reef aquarium bottoms, high surface area filter media, and denitrifying anaerobic beds. Using Nature's Ocean Samoa Pink Sand can reduce nitrates and increase carbonate hardness. Plus, 100% of it comes from the ocean floor.