Caribsea Aragamax 30 lb. bag
Caribsea Aragamax 30 lb. bag. 0.2 - 1.2 mm diameter grain sand (approx.) Also known as oolitic sand, this product is ideal for shallower beds, allowing denitrification in as little as 1 in. depth. The fine grain size can pass easily through the gills of gobys and other sand-sifting organisms. The smooth round grains are gentle to soft bellied sharks and rays. White in color and metal free, no ash or silica.