Seachem Matrix Bio Filtration Media, 20 Liters.

Seachem Matrix Bio Filtration Media, 20 Liters.Matrix is a high porosity biomedia that provides efficient biofiltration for the removal of nitrogenous waste. Matrix media is a porous inorganic solid with an average particle size of about 10 mm in diameter. Due to the specialized internal structure, each liter of Matrix can yield more than 700 m2 of surface area! Matrix provides both external and internal macroporous surface area. These macropores are ideally sized for the support of nitrifying and denitrifying bacteria. This allows Matrix to remove nitrate along with ammonia and nitrite, simultaneously and in the same filter.Available Sizes2000 ml.4000 ml.20 Liters.