Caribsea Arag-Alive Special Grade Reef Sand - 20lb ATO Systems Over 50% stronger than most

Over 50% stronger than most competing products

Surface-safe biological filtration: UV treatment affects water passing through the sterilizer and will not remove established bacterial colonies from media

Primary application: Calcium reactor feed and controlled aquarium fluid transfer

or valves required for standard operation

Its snow white body is adorned with alternating thick rusty red and thin bright ruby stripes

Caribsea Arag-Alive Special Grade Reef Sand - 20lb ATO Systems Over 50% stronger than mostCaribsea Arag Alive Special Grade Reef Sand 20lb Caribsea Arag Alive Special Grade Reef Sand 20lb is a live aragonite reef substrate with a 1. 0 to 2. 0 mm grain size for marine and reef aquariums. It offers live bacterial support with a heavier reef sand texture that suits many modern flow heavy reef tanks. Caribsea Special Grade Live Reef Sand for Stable Reef Sand Beds The 20 lb Special Grade bag is ideal for reef aquariums that need more substrate