Acidic substances are indicated by a pH of 0-6, neutral by a pH of 7, and alkaline by a pH of 8-14. Just dip the strip in compare it to the color chart provided. The pH range of 0-14 ensures wide usability.
eBay
Easy to use- hold the litmus test strip in the liquid. Read the result after approx. 15 seconds and compare it with the pH color chart. 100 x PH test paper. PH range: -14. Easy to carry. Material:paper.
eBay
The test strip color changes must be matched with the pH scale color chart within about 15 seconds. Different pH content discoloration range is different, by comparing the color card ratio: the smaller the number, the stronger the acidity, the larger the value, the stronger the alkalinity.
eBay
Acidic substances are indicated by a pH of 0-6, neutral by a pH of 7, and alkaline by a pH of 8-14. Just dip the strip in compare it to the color chart provided. The pH range of 0-14 ensures wide usability.
eBay
Cyanuric Acid: 0-240. Material: Litmus Paper. Total Alkalinity: 0-240. Total Chlorine: 0-10. Free Chlorine: 0-10. In the process of testing, first tear off a small piece of test page, dip a small amount of substance to be tested with a glass rod, cotton swab or other objects, drop it on the test page, see the color change, and then compare the corresponding color classification on the color comparison panel to know the PH value.
eBay
The test strip color changes must be matched with the pH scale color chart within about 15 seconds. Different pH content discoloration range is different, by comparing the color card ratio: the smaller the number, the stronger the acidity, the larger the value, the stronger the alkalinity.
eBay
Easy to use- hold the litmus test strip in the liquid. Read the result after approx. 15 seconds and compare it with the pH color chart. 100 x PH test paper. PH range: -14. Material:paper. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
Acidic substances are indicated by a pH of 0-6, neutral by a pH of 7, and alkaline by a pH of 8-14. Just dip the strip in compare it to the color chart provided. The pH range of 0-14 ensures wide usability.
eBay