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Fluoride: The Underground Scourge
The origin of Fluoride in groundwater is mostly natural. A certain amount of Fluoride in the water (0.5 mg/L … Continued
The origin of Fluoride in groundwater is mostly natural. A certain amount of Fluoride in the water (0.5 mg/L … Continued
by Dr. Helmut Eigenmann, Thin Waters/ Laboratory and Design My experiments with thin water layers and light are the base for … Continued