UPC 707427856660

• About us (Vanki), Professional factory , welcome to our store for more choices with best price. What we pursue is your satisfication of our service, not just for our goods.For any reason you are unsatisfied with our product at any time, simply contact support for exchange or refund. we will reply you about any question you ask within 24 hours
• Instruction: Simply press the testing strip to the object or liquid you are testing. Half second later, take out the paper and using the color chart included, compare the color change of the paper to find out the acidity level of your testing subject. Can not indicate the Acid or alkali solution when its density was lower than 0.01%. Keep dry for the rest paper
• The test strip color changes must be matched with the pH scale color chart within about 15 seconds
• The scale reads from 1 to 14: 1 - 3 indicates a very acidic substance.4 - 6 indicates an acidic substance.8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. PH 1-14 color chart in each pack.
• Paper Size: App 45mm x 7mm (L x W). Weigh: App 3g

About us (Vanki), Professional factory , welcome to our store for more choices with best price. What we pursue is your satisfication of our service, not just for our goods.For any reason you are unsatisfied with our product at any time, simply contact support for exchange or refund. we will reply you about any question you ask within 24 hours Package included: 3 packs (80pcs per pack)