Giấy kiểm tra độ pH cho bể cá 5m tại Lotte Market

Giới thiệu Giấy kiểm tra độ pH cho bể cá 5m tại Lotte Market

5m pH Alkaline Acid Test Paper Water Litmus Testing For Gardening Aquarium Plant
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
PH 1-14 color chart in each pack
The test strip color changes must be matched with the pH scale color chart within about 15 seconds

Instruction:

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%.
Keep dry for the rest paper.


Specification:
Box material: plastic
Paper length: 5m/16ft
Quantity: 1 Pc
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 Contents:
1 x 5m pH Test Paper