Aquaria the outside filter for filtering of aquarium water and for collecting the digester gases formed are removed in the case of the filtering resulting

摘要

Closed outside filter system for the aerobic and anaerobic filtering of aquarium water wherein the outer filter system a self-regulating flowing filter with a constant water level, and so the location of the outside, and wherein the filter are independent in the anaerobic filtering resulting in a digester gases formed are removed for aufangsystem digester gases formed are removed are caught.