Essen 160 Strips 1-14 Test Paper PH Indicator Alkaline Acid Water Litmus Testing Kit Other - Image 1

Essen 160 Strips 1-14 Test Paper PH Indicator Alkaline Acid Water Litmus Testing Kit Other

£4.54
4.6 (51 reviews)
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PH 1-14 color chart in each pack. The test strip color changes must be matched with the pH scale color chart within about 15 seconds. Suitable for urine,saliva,drinking water,etc.