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Clear Water Technologies, Inc. holds the following US and Canadian patents for the treatment of lakes and wastewater using "The Hogen Process". This process utilizes ferrites and ferrite metabolizing bacteria to free iron ions. Iron ions will bind and remove polluting nutrients from water and/or the waste stream.

US Patent Numbers: 5,543,049; 5,620,893; 5,667,673; Canadian Patent Number: 2,139,863

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Clear Water Technologies, Inc,
7800 Main Street N.E.
Fridley, MN 55432
Phone: 763-783-7344, Fax: 763-571-3372


Toll Free: 877-538-5787

Comments, Questions to info@cwtiusa.com