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Helpful 80 Strips/pack PH Test Strips Full PH Meter PH Controller 1-14st Indicator Litmus Paper Water Soilsting Measuring Tool
100 Brand New. High accuracy pH test paper, pH range from 1-14 pH 1-14 color chart in each pack There is a strong correlation between the pH of the bodys internal environment and pH paper help you to maintain good healthy body by testing many usual everyday substances, including moisturized soap, lemon juice, milk, liquid detergent, moisturized soil, saliva, urine, sweat...etc. The test strip color changes must be matched with the pH scale color chart within about 15 seconds. Instruction: Simply press the testing strip to the object or liquid you are testing. Half second later, take out the [...]
40.29 $ 40.20 $