100 pcs pH Indicator Strips for Aquatic and Soil Testing pH Range 4 5 9 0
10,15 €
12-14 indicates very high alkalinity. Results: A reading of pH 7.0+ is perfect, pH 6.5 is acidic, and pH below 6.0 is very acidic. When testing, briefly place the pH test paper in the urine, swirl the excess, and then test the pH for 15 seconds.
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