Name: Aquarium Test Strips
Material: PVC
Testing time: 30s
Shelf life: 2 years
Advantage: No interference from VC
Storage condition:2℃~30℃ dry place to keep away from light (2℃~8℃ storage is good). After opening, please tighten the lid at any time, the best effect in 3 months.

Sample Requirements:
1. The liquid under test take a sample of 5-10m1, take the supernatant to do the test after static
2. Test at room temperature about 25 ℃ for the best
Test Methods
1. The reaction area of the test strip immersed in the solution to be tested for 1-2 seconds, remove the test strip, put the paper on the top to drain off excess water.
2. After 30 seconds, compare the reaction area of the test strip with the color on the color scale to determine the test value of the solution to be tested.
3. The colorimetric time should be controlled within 60s, too long or too short time will affect the accuracy.

Note :
1. Do not touch the reaction end of the test paper when removing the test paper, so as not to contaminate the test paper and affect the test results.
2. After removing the required number of test strips, seal the remaining test strips and keep them away from light.
3. Keep the liquid to be tested colorless or light-colored as much as possible, and use activated charcoal adsorption to do dehydration treatment before testing the dark-colored liquid. If the liquid to be tested is turbid, let it stand for a while, and take the clear part for testing after precipitation.