Shares & Saves. Save. If you have a well in your home, keep a close eye on the color of the water, which may tell you plenty about what might go on down under. If your well water turns an eerie blue or blue-greenish color, you have a problem related to either copper or zinc from bronze fixtures.
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FENGYI BIOTECHNOLOGY. Shijiazhuang Fengyi Biotechnology Co., Ltd. is located at Shijiazhuang City, Hebei province. The company is in the combined business of producing, testing, R&D and selling products that can be used in health food, food and pharmaceutical industr...ENGYI BIOTECHNOLOGY. Shijiazhuang Fengyi Biotechnology Co., Ltd. is located at Shijiazhuang City, Hebei province. The company is in the combined business of producing, testing, R&D and selling products that can be used in health food, food and pharmaceutical industr...