How to check acidity of tap water
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The water that comes out of the tap and most bottled waters we buy are acidic. Tap water usually comes in with a pH level right around 6.75. Bottled water is no better.
To test its pH, collect a sample of water in a small, clean container. Once you have your sample, prepare your probe by running it under clean water, or take your litmus paper out of its packaging. Then, place the test in the water. For litmus paper, a few seconds in the water will normally produce a clear reading.
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