466-90145 - Marineland Diamond Activated Carbon/Ammonia Crystals 50 oz

Diamond Blend Premium Activated Carbon and Ammonia-Neutralizing Crystals are ideal for new aquariums.This special formulation of new faster-acting Black Diamond and super-effective. White Diamond cleans and conditions aquarium water, ridding it of dissolved organic waste and odors as it removes toxic ammonia and chloramines. Outperforms other blends by as much as 4 to 1.