Sera Siporax Bio Active 7.4 oz. biofilter media It has a grain size

It has a grain size of approximately 0

Anise seeds

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

All plants require a source of carbon

Sera Siporax Bio Active 7.4 oz. biofilter media It has a grain sizeThe 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