80 Strips PH Acid Range 3.8-5.4 PH paper Water Litmus Alkaline Paper Indicating Test Kit

80 Strips PH Acid Range 3.8-5.4 PH paper Water Litmus Alkaline Paper Indicating Test Kit

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 paper