Description
- When you worried about your spa， pond or aquarium or maybe even want to conduct scientific experiments. You need our Litmus paper strips to take accurate alkaline/acid tests.
- PH 1-14 Colour chart in each pack.
- Keep dry for the rest paper.
- The test strip color changes must be matched with the pH scale color chart within about 15 seconds.
- 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.
- Can not indicate the Acid or alkali solution when its density was lower than 0.01%.
- Material: Paper
- Size of pack 70 x45mm(approx)
- Color:As pciture shown
- Quantity: 1 pack(80 pcs in 1 pack)
- Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors， the picture may not reflect the actual color of the item. Thank you!
Package include
