US$ 304.50
Easy-click fastener
The harness fully adjustable with ID-tag attachment features reflective stitching for night time visibility
no more bleeding gums
Large: 80
Seachem Media Matrix Aquarium Filter Media Size:1L Easy-click fastenerThe Seachem Media Matrix Aquarium Filter is a high porosity biomedia that provides efficient nitrogenous waste removal via biofiltration. Matrix is a porous inorganic solid with a diameter of about 10 mm. Each liter of Matrix has the same surface area (>700 m2) as 170 liters of plastic balls! Plastic bio materials only have an external surface area, whereas Matrix has both an external and an internal macroporous surface area. These macropores are
US$ 304.50
US$ 609.50