Wosawe 2-pack Of Ph 1-14 And Ph0.5-5.0 Ph Test Strips Wide Range Of Precision Test Strips

Description Package:1pcs Ph 1-14 Test Paper+1pcs Ph 0.5-5.0 Test Paper. Suitable for testing PH balance of drinking water,pool,aquarium.also 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.