Fluoride test strip
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www.biozdravi.eu: HealthSnap in-1 Water Test Strips, count - Rapidly Test Fluoride, Lead, Copper, pH, Chlorine, Nitrite and More in Drinking Water, Tap.
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Description:However, an excessively high concentration of fluoride can lead to health problems. Clear symptoms of this fluorosis, that occurs in developing countries in particular, are brownish-yellow stains on the teeth. Fluorinated drinking water is not being monitored everywhere so that children in particular can ingest too much fluoride. BAM Federal Institute for Materials Research and Testing has developed a very simple rapid colour test, which can help determine the fluoride concentration more easily in the future. A change in the colour of a paper strip shows how much fluoride is dissolved in the water, similar to a litmus test to determine the pH value.