Diamond Blend® 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 condit...
Black Diamond Premium Activated Carbon eliminates discoloration, odors, and impurities...and keeps on doing it long after other carbons quit. Heat-activated bituminous coal-based Black Diamond granules are speci...
Replacement Polishing Filter Pads for the 160 and 220 C-Series Canister filters.