Last updated 3 years ago
SRAC Fact Sheets
Biofilter for aquaponics: The biological filter, or biofilter, is a key component in the filtration portion of a recirculating aquaculture system (RAS). The biofilter houses the nitrifying bacteria and is the primary site where biological nitrification occurs. Common dish scrubber pads can also make excellent biofilter material. Download fact sheet at link.