Universal Ph Indicator Strips, 100/Bottle Sold By:1 Each versatile skin barrier is simple

versatile skin barrier is simple to shape and reshape by hand

Plastic hooks allow easy attachment for both rubber bands and string

(3) Butterfly wound closures

Size: 8 oz (237 ml)

Breathable and helps to prevent odor

Universal Ph Indicator Strips, 100/Bottle Sold By:1 Each versatile skin barrier is simpleLitmus paper & PH test strips are paper strips with four colored squares test the full pH range of 2 10 with a sensitivity of 0. 5. Litmus paper is the best means available to test acid base balance of solutions. Litmus paper & PH test strips are just a few of the methods used to test acidity to help diagnose possible medical conditions.