Translations:Le biofiltre/41/en

• 2 vats of 60L each, such as black bins (strong inert plastic and preferably durable)
• 1 lid
• 1 basin of about 15L of the same diameter as the vats (strong inert plastic and preferably durable)
• water pump or lift pump basin or aquarium min 300L / h at H = 1m
• 50 cm garden hose (diameter adapted to the outlet of the pump)

* ball of expanded clay or porous volcanic rock (microporosity will be the solid habitat of microorganisms): about 5L for the organic filter and 5L for the earthworm composter (draining litter)

• straw / dry grass (degradable cellulosic habitat of microorganisms) about 5L for the organic filter and 5L for the earthworm composter
• water: about 40L
• fungi (Trichoderma or Streptomyces) (GHE - BM or Subculture) or decaying organic matter
• earthworms (at least 50 earthworms of the correct variety)