ddr2-ph 1-14 Kertas Tester Indikator PH Universal -rem

------------------ Rememberme ----------------- Welcome to My Store Good QualityAvailableGood After-sales service 100% Brand New. High accuracy pH test paper, pH range from 1-14 pH 1-14 color art in ea pa There is a strong correlation between the pH of the body #39;s internal environment and pH paper help you to maintain good healthy body by testing many usual everyday substances, including moisturized soap, lemon juice, milk, detergent, moisturized soil, saliva, urine, sweat...etc. The test strip color anges must be mated with the pH scale color art within about 15 seconds. Instruction: Simply press the testing strip to the object or you are testing. Half second later, take out the paper and using the color art included, compare the color ange of the paper to find out the ity level of your testing subject. Can not indicate the or alkali solution when its density was lower than 0.01%. Keep dry for the rest paper. Reading the product information in detail I wish you a happy shopping