Is there a reliable method to measure the acidity of the wash water that can be easily used at home?
Acidity (and alkalinity) can be better controlled using "paper litmus test." The source cheaper and easier is available to pick up some to store supplies for pets that tropical fish - 'decisive' paper with the corresponding color-match samples is used to check the pH of aquarium water ....... the test kit is quite accurate and represents approximately one tenth the cost of purchasing quality laboratory "Sunflower"
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