Seachem Matrix Biomedia 500ml Lights The Maxi range of Internal

The Maxi range of Internal Filters offer an effective biological and mechanical filtration solution for the smaller aquarium

Natural seawater contains over 70 elements and provides the sodium chloride for the Mixed Macro Probiotic along with the FOWLR Macro Probiotic

The difference between the Premium and the Shrimp Safe versions is the amount of copper - while copper is a good additive for plants it needs to be at low levels for shrimp

and potassium salts

for all marine foods: Feed your fish only as much as they will eat immediately in a few minutes

Seachem Matrix Biomedia 500ml Lights The Maxi range of InternalDescription Seachem Matrix Biomedia. Each litre of Matrix provides as much surface (>~700 m2) as 170 litres of plastic balls! Purchase by the litre and save. Bacteria colonies on the internal and external surface area of Matrix Matrix is a high porosity biomedia that provides efficient biofiltration for the removal of nitrogenous waste. Matrix is a porous inorganic solid about 10 mm in diameter. Each litre of Matrix provides as much surface (>~700 m2)