CaribSea Live Special Grade 20lb
Special Grade Reef Sand
Grain Size 1.0 - 2.0 mm.
A revolution in reef-keeping!
This is the one you've been reading about in all the hobbyist publications.
This coarse sand is 100% aragonite and has excellent diffusive properties.
This is the perfect size grain size to use for the plenum-type nitrate reducing beds.
A very versatile product, use in a deep or shallow beds. A significant denitrator when utilized in deeper beds or plenum systems.