Step 2 in Aquaclear Filtration System helps purify the water For AquaClear 50 and former model 200
· Superior adsorption of impurities
· Broad spectrum organic compound removal
· Improves water clarity, color and odour
· Supports benefical bacterial colonies
· Removes chlorine, smoke, and aerosol spray contaminants
· Does not change water characteristics
· For fresh and salt water The Activated Carbon Filter Insert improves water clarity for fresh and saltwater aquariums. Exclusively designed for the AquaClear Power Filters, it provides superior adsorption qualities which eliminate odors, discoloration, and impurities.