Caribsea Seaflor Special Grade Reef Sand Seaflor 15 lb. bag. 1.25 - 1.95 mm diameter grain size. A revolution in reef-keeping! This is the one you've been reading about in all the hobbyist publications. This grade of aragonite is specifically engineered for plenumtype nitrate reducing beds or anywhere a deeper bed is called for. The pore water space created by precision grading also allows maximum pH support and dissolution of calcium carbonate.

Shipping Weight: 16 Lbs. ITEM IS IN STOCK