PZRT 2-Pack Ph 1-14 PH5.5-9.0 PH Test Strips Extensive Precision Test Paper Color Chart Water Soil Testing Kit-Fast Shipping

Description

Package:1pcs Ph 1-14 Test Paper+1pcs Ph 5.5-9.0 Test Paper.

Suitable for testing PH balance of drinking water,pool, for the test of daily necessities.

Extensive and precision range ph test paper to meet different needs.A direct reading pH paper with the widest range available in a single paper.

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.

Used for all kinds of testing, laboratory / cosmetic testing /saliva / urine/soil etc.