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34 votes
34 votes
What is an advantage of using the 4.5-7.5 paper

User Jason Watmore
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1 Answer

16 votes
16 votes

Step-by-step explanation:

The 4.5-7.5 paper is a lot more accurate than the 0-14 paper because it isn't a guessing game when the colors on the pH paper are very similar to more than one color on the pH color chart.

User Rvalvik
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