8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. The scale reads from 1 to 14 Each book also includes a color chart.
eBay
Wide Application: for Versatile asPH test range from 0 to 14 and can be used to test the acidity of various substances, including water, urine, saliva, soil, soap, skincare products, and more. They are suitable for laboratory and diagnostic purposes.
eBay
8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. The scale reads from 1 to 14 Each book also includes a color chart.
eBay
12-14 indicates very high alkalinity. Spit saliva into a spoon, dip the pH test paper into, and wait 15 seconds to read the pH. When testing, briefly place the pH test paper in the urine, swirl the excess, and then test the pH for 15 seconds.
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
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
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
Wide Application: for Versatile asPH test range from 0 to 14 and can be used to test the acidity of various substances, including water, urine, saliva, soil, soap, skincare products, and more. They are suitable for laboratory and diagnostic purposes.
eBay