100% brand new and high quality
Characteristics:
High quality material with high precision.
Used to test the chlorine available in the water.
You can test the water inside the pool.
Easy to use, practical and fast.
Paper chlorine test only, other demo accessories in the picture are not included!
Instructions:
Check the pH of the solution: take a small piece of test paper from the surface dish or the piece of glass, and bring the test liquid to the test tube with a clean glass rod. After half a second, observe the modified color and compare it with the standard color chart to judge the nature of the solution.
Check the pH of the gas: first wet the test paper with distilled water, stick it to one end of the glass rod, and then send it near the mouth of the container containing the gas to be tested , observe the color change, and judge the nature of the gas.

Specification:
Type: chlorine test paper
Material: Paper
White colour
Size: package: app. 5.2 x 5.2 cm / 2.05 x 2.05 in
Quantity: 1 Box

Note:
Please allow 0-1cm error due to manual measurement. Please make sure you don't mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

The package includes:

1 box x chlorine test paper