Protein Filter

Protein Filter

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Protein Filter, is also known as foam fractionation. The purpose of a protein filter is to remove DOC's (dissolved organic compounds) from aquarium water. Thus improving the quality of the water. A protein filter is constructed in a tube or tower design, has a collection cup at the top, and in some cases a water return tube. The filter works by injecting massive, very fine air bubbles into the tube by means of using either air stones or a high pressure water pump and air valve. The rising air bubbles act as a lift in the tube, allowing the chemical compounds of the DOC's to attach to the bubbles and hitch a ride to the surface where they are captured in the collection cup and disposed.