ITEM NAME:80pcs PH 6.4 ~ 8.0 PH test paper D7S4 80pcs PH 6.4 ~ 8.0 PH test paper D7S4 Per pack 80pcs pH 6.4 ~ 8.0 test paper . Compared the results color with PH benchmark. Applications:such as cultivation of flowers, fish, toiletries, food text. The size of the test paper (L x W): about 2.4 × 0.35 inch 1 pack PH test paper (80pcs) PH test paper tests the pH value of the materials are used in fields such as scientific experiments, Equipped with a pH value in the range from 6.4 to 8.0. how to use: Immersing the 1.5 seconds of the solution Take measurements and color chart and contrast of PH Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm..Compared the results color with PH benchmark.
