OCEANANIC Base ROCK STONE - 25 KILO PER BAG

OCEANIC HOLEY Base ROCK STONE (Marco Rock Sound Rock) - 10 to 15 cm Medium - per lb. Grade A (Order in in multiples of 50) - ASSORTED SHAPES & SIZES. Average weight 2.5 to 3 lbs. Perfect for Coral Frag mounts. Marco Rock. Calcium based so will maintain a higher ph level.