Measurement of Fluoride Concentration in Tap Water Is fluoride in tap water safe? Are you concerned about fluoride in your tap water? Some people believe fluoride in drinking water is harmful, others believe it is safe and actually beneficial in maintaining dental hygiene. Either way, you can test your fluoride level with the pocket fluoride tester from Extech, available through Cole-Parmer. The Extech fluoride pocket tester is handheld and easy to use. Anyone can use it to measure the concentration of fluoride in household tap water. The Extech Waterproof FL700 Pocket Fluoride Tester is IP57-rated and designed for quick and accurate measurement of fluoride ions in drinking water and other aqueous samples. Here's a helpful video to illustrate how to calibrate the pocket fluoride tester and how to perform a quick test of fluoride ions in your water sample. | | | |