PH 1-14 Universal Indicator Tester Paper 80pcs

pH tester | with pH chart , easy to refer

80pcs strips per book

USAGE_

Use to test pH level such as skincare products , soap , lotion , cosmetic & so on .

HOW TO USE_

Take a small amount of liquid that you would like to test , take out one(1) pH strip & slightly dip and take out . DO NOT leave the strip in the liquid/water .

pH strip will change color by then , compare the pH strip color to the pH chart .

The result only display for temporary as in the reading will change after long contact with air , the chemical on the pH strip will oxidize too .

Please discard the used strip after that .

*pH 7 is neutral

<7 is acidic

>7 is alkaline

IMPORTANT_

this pH strip is unable to measure weak solution / solution with acidic or alkaline concentrated of 0.01% or below .

this pH strip is unable to measure 0.1-0.9 pH level (eg. pH5.5 - the chart only reads pH5 or pH6)

Keep the unused pH strips sealed & away from light .