2 Boxes Plastic pH Test Strips, Universal pH 0-14, Test Paper Extensive Test Paper Litmus 200 Strips pH Test with Storage Case for Test Body Acid Alkaline pH Level Skin Care Aquariums Drinking Water industrial and don't over rotation

and don't over rotation

3mm Wires TEN-123MZX-B123

3 or above

5-inch(2017)/12

length/ thread

2 Boxes Plastic pH Test Strips, Universal pH 0-14, Test Paper Extensive Test Paper Litmus 200 Strips pH Test with Storage Case for Test Body Acid Alkaline pH Level Skin Care Aquariums Drinking Water industrial and don't over rotation2 Boxes Plastic pH Test Strips, Universal pH 0 14, Test Paper Extensive Test Paper Litmus 200 Strips pH Test with Storage Case for Test Body Acid Alkaline pH Level Skin Care Aquariums Drinking Water Wide application: Can be applied in school, lab, drinking water, swimming pool, fish tank, hydroponic, aquarium, food, etc. Notice: If you want to test your saliva, please test 2 hours after eating or drinking without rinsing mouth. Function: Good for