factory price high quality PH Indicator PH 5.5-9.0 Test Indicator Paper Litmus Strips

PH Meter pH Test Strips Indicator Test Strips 1-14 Paper Litmus Tester

Specification:

• 1-3 indicates a very acidic substance
  
• 4-6 indicates an acidic substance
  
• 7 shows a neutral
  
• 8-11 indicates alkalinity
  
• 12-14 indicates a very high level of alkalinity
  
• Paper size: 45 mm x app 7 mm (L x W)
  
• Weight: app 3 g
  

Instructions:

• Simply press the test strip on the test object or liquid. Half a second later, remove the paper and use the included color chart, compare the change in color of the paper to determine the level of acidity

testing.

• Can not be said acid or alkali, when its density was lower than 0.01%.
  
• Store in a dry place for the rest of paper

Package list:

• 1 * ph test strips