(1 box) four-color boxed 1-14 extensive PH test paper 100 strips

Features:

Comes in a nice p1ast1c box that's easy to cary around.

Appropriate for testing alkaline or acid level of any liquid.

Universal pH paper is also great for Science Education, great product to have in every lab and at home to measure and inspect water quality, urine, saliva, soil, alkaline diet, aquariums and more.

PH wide range 0-14, 100 strips per pack With distinct color PH scale for result comparisons.

Usage: test liquid ready, take out a test paper, the 2 color blocks all immersed in the liquid, after 1 seconds to take out, in contrast to the color of the color reading value in 30 seconds