Live

About the Bio-Activ Reef SubstrateThe Bio-Activ Reef Substrate is perfect for reef system tank bottoms for denitrifying anaerobic beds and for high surface area filter media.

About the Live Reef Sand - 20lbsThe Live Reef Sand is perfect for use in reef system tank bottoms for denitrifying anaerobic beds and for high surface area filter media.

About the Live Reef Sand - 40lbsThe Live Reef Sand is perfect for reef system tank bottoms for denitrifying anaerobic beds and for high surface area filter media.