100 Strips Litmus Testing Kit Alkaline Acid Indicator Professional PH Meters Paper Industrial

Label:Yes Package includes:100pcs PH test paper Color:Clear Type:PH test paper Material:Plastic+Paper Size:9*6.5*1cm(3.54*2.56*0.39in)

Features: Comes in a nice plastic box that's easy to cary around Appropriate for testing alkaline or acid level of any liquid Universal pH paper is also great for Science Education, great product to have in every lab and at home to measure and inspect water quality, urine, saliva, soil, alkaline diet, aquariums and more PH wide 0-14, 100 strips per pack With distinct color PH scale for result comparisons The test strip color changes must be with the pH scale color chart within about 15 seconds 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 Usage: Test liquid ready, take out a test paper, color blocks all immersed in the liquid, after 1 seconds to take out, in contrast to the color of the color reading value in 30 seconds. Note: Can not indicate the Acid or alkali solution when its density was lower than 0.01%. Keep dry for the rest paper