3 Review(s)

Easy To Use & Get The pH Result in a Second, pH paper is giving you a quick way to estimate the pH of a solution without any expensive equipment or pre-calibration, even for somebody with little or even no chemistry background can get the results immediately.pH 1-14 Color chart in each pack. Litmus Paper test strips change color within 2-3 seconds, to be matched with the pH scale color chartImproved Sensitive, extremely accurate pH balance test strips measure pH range from 4.5 to 10.0, providing better data than cheap strips with limited range, best quality pH test stripsSuitable for all kinds of testing, laboratory / cosmetic testing / drinking water / saliva / urine, etc.A useful tool of science activity, as well as in the classroom environment. Use by children must be under the tutelage of adults.