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Clear Water Technologies, Inc. holds the following US and Canadian patents for the treatment of lakes and wastewater. 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 Comments, Questions to info@cwtiusa.com