Specification:
100% Brand new and high quality
Color: As shown
Quantity: 80 sheets/pack
Conversion: 1cm=0.39inch, 1inch=2.54cm
Features:
Super easy to use.
Need to be stored in a dry place, protected from light.
PH 1-14 color comparison chart in one pack.
The 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 alkalinity.
Instructions:
1. Simply press the testing strip to the substance you are testing.
2. Half second later, take out the paper and wait for 15 seconds.
3. Using the color chart included, compare the color change of the paper to find out the acidity level of your testing subject.
(Cannot indicate the Acid or alkali solution when its density was lower than 0.01%.)
Package included: 1 Pack/80 Sheets PH Test Strip
Notice:
1.The manual measurement tolerance is 1-3mm. Please don't mind your replacement.
2.The colors may be a little difference for the different monitors displays, please understand.