Sera Siporax Bio Active 7.4 oz. biofilter media Pair these products with an

Pair these products with an Zilla Power Controller (sold separately) for programmable on/off cycling

Calcium (actual) 1

It has a grain size of approximately 0

while the inside chambers contain carbon to remove pollutants and odors

Improves water clarity in fresh and saltwater aquariums

Sera Siporax Bio Active 7.4 oz. biofilter media Pair these products with anThe unique dry water conditioner combines stabilizing biological filtration with effective and quick pollutant removal of water conditioning. Pollutant utilizing bacteria remove pollutants such as ammonium and nitrite from the water already shortly after the first contact with water. Sludge is decomposed faster, and thus a critical pollutant reservoir is quickly rendered harmless. The biological equilibrium is stabilized and maintenance intervals