Haobase pH Test Strips Full Range 1-14 Litmus Paper Litmus pH Testing Strips for Water, Drinks, Vinegar, Soap (80 Strips)

• Item size: 70*44*4mm
• pH range:1-14
• Easy to use, provides reliable highly accurate pH readings. Ideal for pH testing at home, labs or schools.
• Can be used to test the acidity or alkalinity of many everyday substances like moisturized soap, lemon juice, milk, liquid detergent, and so on.
• 1 Pack contains 80 litmus paper strips.

Product description *80 Strips Full pH 1-14 Test Indicator Litmus Paper Water Soil Testing Kit. * 100% Brand new and high quality. * There is a strong correlation between the pH of the body'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, liquid detergent, moisturized soil, saliva, urine, sweat...etc . * The scale reads from 1 to 14:1 - 3 indicates a very acidic substance 4 - 6 indicates an acidic substance 7 indicates neutral 8 - 11 indicates alkalinity 12 - 14 indicates a very high level of alkalinity PH 1-14 color chart in each pack. * The test strip color changes must be matched with the pH scale color chart within about 15 seconds Paper Size:59mm x 8mm . * 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 papercificatio Directions 1. Press the testing strip to the object or liquid you are testing. 2. Half second later, take out the paper. 3. Compare the color change of the paper to the color chart included to find out the acidity level of your testing subject.