Features: 1QUICK MEASUREMENT: PH test paper strips get the results quickly and in as little as 60 seconds, accurate at the same time 2IDENTIFICATION METHOD: PH test paper different pH values of decolorization range is different, compare the ratio of color card, the lower the number, the stronger the acidity, and the higher the number, the stronger the alkalinity 3CONVENIENT COMPARISON: PH strips are convenient to use and you just compare the color changes of the strips with the corresponding color table on the box 4MAIN USES: PH paper is made of excellent paper material, for 0~14 PH test, a total of 100pcs, enough for your daily use 5WITH BOX: PH paper is equipped with a box for easy storage, portability and access, and also prevents damage and loss Item Type: PH Paper Product Material: Paper Use: Used for PH test Package Included: 100 x PH Paper 1 x Storage Box