Seachem Matrix Biomedia 500ml Lights old dead bio-film is easily

old dead bio-film is easily flushed from the media and will not plug the media

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

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

Seawater Alkalinity Range 0

Seachem Matrix Biomedia 500ml Lights old dead bio-film is easilyDescription 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)