Ventilation
Ventilation is always necessary to oxygenate a biodegradation. Inbound air is through the
pipe for outgoing water, if possible - or via the upper hole on the same short side as outgoing
water, if an unventilated post-polishing is used.
Outgoing air goes through the housing pipe trunk or via the hole in Bio filter 10's lid.
Outgoing air should be drawn as high as possible, over the roof nook is the best. This leads
to a good self-draught and oxygen addition, as well as pulling out any odors.
All sewers need ventilation and good air exchange thus - also Bio Filter 10. Keep in mind that
there should be ventilation at both ends of the biofilter.
Ventilation on the discharge pipe and the roof of the house.
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