Nature's Ocean Aragonite Sand 20 Lbs

Premium Reef Sand for Aquariums. Benefits of Nature's Ocean® Reef Sustrates: •Ideal for reef system tank bottoms. •Denitrifying anaerobic beds . •Extremely high surface area filter media. •Increases Carbonate Hardness. •Reduces Nitrates. •100 % From The Ocean Floor. •Maintain pH. •Provide Marine Trace Elements. •Heat Sterilized. •Ideal for culturing Live sand. Recommended: Use at a rate of 10lbs per square foot of the tank floor's bottom area which yields about a 1" deep covering. Depending on your needs or preferences the depth may vary from 1/8" to 3"s of covering.

Grain size: 1.2 - 1.7 mm