Oase Hel-X Biomedia 800mL

The Hel-X 13 BioMedia for the BioMaster 250, 350, 600 or 850 and BioMaster Thermo 250, 350, 600 or 850.

Hel-X has a large surface area across this suspending media form which is ideal for biological filtration

Replace your ceramic filter media only when completing a complete tank restart as to not disturb the beneficial biological load.

BioMaster 250 - takes 1 pack

BioMaster 350 - takes 1 pack

BioMaster 600 - takes 2 packs