A SECRET WEAPON FOR PREMIUM GLASS FILTER MEDIA

Best for: both freshwater and saltwater aquariums as many as a hundred and ten gallons; absorbing odors, discoloration, and impuritiesWe like the format of the BioMax Bio Rings. They can be produced from a mix of aluminum oxide and a hoop fashioned silica. We really like The interior pore process which gives a lot of surface space for nitrifying an