Bio-Activ Live Aragonite Saltwater Aquarium Sand W831

Australian Gold Bio-Activ Reef Sand is ready to use premium LIVE Aragonite sand, containing natural live marine bacteria for the instant cycling of marine aquariums. 100% natural, this will help you achieve a clearer, healthier aquarium right from the start. Grain size 0.5-1.7mm, available in 10lb (4.54kg) and 20lb (9.07kg) bags.