What do you mean by ppm

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Hiring Contractors? Addressing Mental Illness and Workplace Safety. Risk Takers Wanted. It tells us the density of a given substance dissolved in water. Examples include free chlorine, calcium hardness, and total alkalinity. It seems like a tiny amount—and it is—but water does not always need a lot of a given chemical. For example, j ust 1. It may not be enough to keep the pool algae-free, but that's another topic for another article. Where did the million come from?

To find out, we did some research which led us to the metric system. One milligram is one-millionth of a liter. The rest of the world already knows this because the metric system is standard and based on multiples of For us Americans, we need to take the time to convert.

Then we transition from liquids into solids, because most chemicals are dissolved into water, not liquids themselves. So one milligram mg is one-millionth of one liter L. Any standard unit of measurement is important to understand. It tells us the amount—expressed as concentration or density in the water—of a given substance. Or, in the case of Total Alkalinity TA , the sum of several substances.

Traditional water chemistry ranges use PPM for almost everything except pH , which has its own logarithmic scale:. You may be thinking, "Wait, Orenda sometimes recommends chemistry outside of those ranges. So, r ather than focusing on ideal chemistry ranges, focus on the LSI. Just remember to prioritize LSI first and range chemistry second. Share a comment Have feedback? Maybe some questions? Whatever it is, we'd love to hear from you.

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