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How to Calculate Hydrogen Peroxide Concentration for Well Water Treatment

Need to know how much water to add to dilute your hydrogen peroxide?

A common question we get is:  “I had a question about diluting my 7% hydrogen peroxide. How much water would I have to add to the gallon to dilute it to 7000ppm or 12500 ppm.” h2o2_molecule_sm

This is a good question, and the first step is understanding how many PPM 7% peroxide is.

Since we want to solve for parts per million, 7% of 1,000,000 is 70,000.   So 7% peroxide is just another way of saying 70,000 PPM.  If you used the 7% solution without dilution, your solution strength would therefore by 70,000 PPM.

By adding 9 parts of water, for every 1 part 7% peroxide, you would end up with 7000 ppm.

For more information on how to set up the pump settings, see our installation on peroxide systems:



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