The use of biofilter media which is fluidised by means of air has many advantages over other filter media types, including:

• we have tested this media to 11kg feed / day / m3 of media whilst maintaining ammonia and nitrite levels suitable for sensitive fish species
• zero head loss
• water is aerated during filtration ensuring oxygen levels remain saturated
• water is aerated during filtration causing carbon dioxide to be removed
• small foot print due to the media being highly efficient
• no clogging and therefore no cleaning is required
• very stable and reliable biofiltration performance
  
  It is therefore unsurprising that air fluidised filtration is becoming the global standard for aquaculture biofiltration. The price is per 65L bag and is ex-Grahamstown. Please call for a quotation on larger quantities.