100 Strips 1-14 PH Alkaline Acid Indicator Paper Water Saliva Litmus Testing Kit Hats & Masks Small and portable

Small and portable

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exquisite and delicate

100 Strips 1-14 PH Alkaline Acid Indicator Paper Water Saliva Litmus Testing Kit Hats & Masks Small and portableITEM NAME: 100 Strips 1 14 PH Alkaline Acid Indicator Paper Water Saliva Litmus Testing Kit. 8 11 indicates alkalinity. 12 14 indicates a very high level of alkalinity. 1 3 indicates a very acidic substance. 4 6 indicates an acidic substance. Can not indicate the Acid or alkali solution when its density was lower than 0. 01%.