Description
- The Hel-X 13 BioMedia for the BioMaster 250, 350, 600, or 850 and BioMaster Thermo 250, 350, 600, or 850 includes a replacement BioMedia allotment
- Includes a large surface area across this suspending media form which is ideal for biological filtration
- Allotments contains 0.3 gallons of BioMedia
- Replace your ceramic filter media only when completing a complete tank restart as to not disturb the beneficial biological load