I’ve used the rough estimate available from a few different sources online that there are about 90,000 drops of water in a gallon. I decided to use one ppm of fluoride since that is the average fluoride concentration in most fluoridated water. With that in mind, I’ve come up with some examples to help you visualize what one ppm of fluoride really represents. It’s much easier to understand the fluoride content of water through the use of measurements that are more easily visualized and understood by our brains. The main problem with this measurement is that it’s pretty hard for most people to actually visualize one million units of anything. That means that for every one million units of water, there are two units of fluoride. Let’s say that you run a test to find out how much fluoride is in your drinking water and you find that the fluoride level is 2 ppm. The abbreviation ppm stands for parts per million. Have you ever wondered exactly how much fluoride is in your drinking water? Usually fluoride is measured using the vague unit ppm.
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