Seachem Tidal 55 Matrix 250ml Bag bioscape tropic or HOB filter

or HOB filter

Brand new wall system for 60cm aquarium tank

they live 4–8 years and are a favorite among aquarists who enjoy personality-packed fish in smaller spaces

the AP9X can be easily wired to adjacent Kessil fixtures

Seachem Tidal 55 Matrix 250ml Bag bioscape tropic or HOB filterSeachem Tidal 55 Matrix 250ml Bag Matrix is a high porosity biomedia that provides efficient biofiltration for the removal of nitrogenous waste. Every Tidal filter comes with a bag of Matrix to get you started. Matrix for the 35, 55, 75, and 110 units comes pre bagged in Seachem Zip Bags, which feature durable seams & a corrosion resistant zipper.