Description
  • The Hel-X 13 BioMedia for theBioMaster250,350,600, or850and BioMaster Thermo250,350,600, or850includes 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