This product can be used to detect nitrate, nitrite, calcium, total alkalinity, pH value in seawater.
Instructions for use
Test Method:
1. Immerse the test strip in the water sample to be tested for 1-2 seconds and remove it.
2. Use absorbent paper to remove excess water from the test strip.
3. Place the test strip reagent block horizontally and compare it with the color chart, and record the results.
Note: Please read the results according to the time given on the color chart.