MARINELAND Black Diamond Media 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 specially sized and far more efficient than inferior coconut, wood or peat-based carbons. And now, new and improved Black Diamond works twice as fast.
Features: Premium activated carbon and ammonia neutralizing crystals; Highly effective formulations keep tank water cleaner and keep fish healthier
Includes: 1 Bottle
Intended For: Aquariums
Size: 3.65 L