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Paper Size 45mm x 7mm L x W, Comes with 3 Pack240 pH Strips and 1 Storage Case.The test strip color changes must be matched with the pH scale color chart within about 15 seconds. Different pH content discoloration range is different, by comparing the color card ratio the smaller the number, the stronger the acidity, the larger the value, the stronger the alkalinity.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 substances, including moisturized soap, lemon juice, milk, liquid detergent, moisturized soil, saliva, urine, sweat, etc MORE DETAILS asin B0811PYS6T bestsellersrank 2 in pH Test Strips datefirstavailable November 5, 2019 itemmodelnumber LABpH14 manufacturer LabAider productdimensions 5.91 x 1.97 x 1.97 inches 3.53 ounces
