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In making gummies with pectin, the pH is very important and needs to be at or below 3.4. USP indicates dissolving it in a 10% solution to test the pH, while some use a 50% solution. I'm told the resulting pH is the same, but my rudimentary understanding of pH is that pH is the hydrogen ion concentration in solution. Why would the pH be the same if the concentration of gummy to water is different?

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