Marineland Diamond Blend Premium Carbon - 50 oz

Aquarium carbon and ammonia neutralizing crystals combo.

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.