Multi-Purpose: pH test paper strips can help you keep healthy by testing common substance, such as water, milk, liquid detergent, soil, etc. Also suitable for school, lab, swimming pool, aquarium, hydroponics, etc

Warm note:
1. Please do not immerse the pH test paper in the testing solution. This may result in incorrect test results and contaminate the solution

2. You cannot measure dry things. You must prepare a solution. Use a dropper to drop a small amount of liquid onto the pH test paper using a dropper, or dip a glass rod into the test solution and drop it in the middle of the test paper to observe the color change

3. Store in a dry place away from light

Specification Information
Package includes: 10 Pack 800 Pieces PH Test Strips (80 pieces of each pack)

Material: high-quality filter paper

Each pack size: 70*45mm/2.76*1.77inch
Each pH test stirp size: 54*9mm/2.13*0.35inch