Item Name: Test Full Range Indicator Kit Alkaline 1-14 PH Testing Paper Litmus Acid Water. The test strip color changes must be matched with the pH scale color chart within about 15 secondsPH 1-14 color chart in each packWeigh:app 3gPaper Size:app 50mm x 36mm (L x W)Brand newThe scale reads from 1 to 14:1 - 3 indicates a very acidic substance 4 - 6 indicates an acidic substance 7 indicates neutral 8 - 11 indicates alkalinity 12 - 14 indicates a very high level of alkalinityInstruction:1.Simply press the testing strip to the object or liquid you are testing. Half second later, take out the paper and using the color chart included, compare the color change of the paper to find out the acidity level of your testing subject.2.Can not indicate the Acid or alkali solution when its density was lower than 0.01%.3.Keep dry for the rest paperPackage includes: 3 x Set of 80pcs pH test paper *Please make
