Tideline Polypad Filter Pad 10"x18" Seachem Prime The material is designed to

The material is designed to stop floating as soon as it reaches a certain level of bacteria colonization This is replacement media for the main filter unit of the BioMaster  Replace your Biomedia only when completing a complete tank restart as to not disturb the beneficial biological load  Hel-X 13 Biomedia is replacement media for the BioMaster 250

and methanol

malachite green or methylene blue

18”-24”

Tideline Polypad Filter Pad 10"x18" Seachem Prime The material is designed toFeatures For Freshwater, Saltwater Aquarium & Pond Use Removes Particulates For A Crystal Clear Aquarium Great Pre Filter Before The Biological and Chemical Filter Media Traps Detritus, Excess Food & Waste Perfect for Canister, Hang On, Wet Dry & Pond Filters 10" x 18", Cut To Size Tideline Filter Pads are a great way to keep your aquarium clean and your fish healthy! With numerous mechanical and chemical filtration pads available, you can choose the