How Do You Use a pH Test Strip? - Indigo Instruments
2019-11-11 · Which pH Test Strips do I Need? We offer 4 triple pad pH test strips.If you are testing a variety of liquids that can be acid or base such as those listed above, go with the wide range pH 1-14.If you are interested in acid and base but mainly urine & saliva, go with the 4.5-10.If you are investigating acids only, use the 0-7 & for alkaline only, the 7-14.
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