Tropic Marin NO2/NO3 Nitrite / Nitrate Test Kit


Price:
£26.99
Stock:
In stock (4 units), ready to be shipped

Description

Features:

For determining the nitrite and nitrate concentration

Nitrite (NO2) and nitrate ions (NO3) are formed from ammonium (NH4+) as part of the nitrification process. Nitrite, which is highly poisonous to freshwater species, is produced in the first stage of the bacterial process. If the nitrification process works, nitrite is converted to nitrate in the second stage. Higher concentrations of nitrate in saltwater aquariums will end up inhibiting the growth of delicate corals. A danger posed by high nitrate content for all aquariums is the strong boost it provides to algae growth. In rare cases, nitrate shortages can also occur. Therefore, the concentrations of nitrite and nitrate in the aquarium water should be tested regularly.

Benefits:

Measurement range: NO2 0 – 2,0 mg/l (ppm)
Measurement range: NO3 0,5 – 50 mg/l (ppm)
Accuracy: NO2 0.02 mg/l
Accuracy: NO3 0.5 mg/l
For determining the nitrite/nitrate concentration in aquaria
Sufficient for approximately 50 applications

 

How to use:

Determining the nitrite level:

1. Shake the dropper bottles before use!
2. Rinse out the glass cuvette with tap water and then several times with aquarium water.
3. Fill the glass cuvette with exactly 5 ml of aquarium water using the dosing syringe.
4. Add 5 drops of test reagent A, close the glass cuvette using the stopper and briefly shake the solution.
5. Add 2 drops of test reagent C, close the glass cuvette once again and briefly shake it.
6. After 3 minutes of development time, place the glass cuvette on the white circles of the nitrite colour card and compare it to the opposing colour fields by daylight conditions. To do this, look into the open cuvette from above. Move the sample on the colour card until the cuvette and the colour field match exactly. If the colours do not match exactly, an intermediate value can be estimated.
7. Read off the measured nitrite value under the relevant colour field.

Determining the nitrate level:

1. Shake the dropper bottles before use!
2. Rinse out the glass cuvette with tap water and then several times with aquarium water.
3. Fill the glass cuvette with exactly 5 ml of aquarium water using the dosing syringe.
4. Add 10 drops of test reagent A, close the glass cuvette using the stopper and briefly shake the solution.
5. Shake the bottle with test reagent B vigorously in a horizontal direction for approx. 30 seconds (the reagent must be wellshaken). Then add 10 drops of test reagent B, close the cuvette again, shake it briefly and set it aside.
6. After 3 minutes of development time, add 4 drops of test reagent C, close the glass cuvette once again and briefly shake it.
7. After another 3 minutes of development time, open the test cuvette and place it on the white circles of the nitrate colour card and compare it to the opposing colour fields by daylight conditions. To do this, look into the open cuvette from above. Move the sample on the colour card until the cuvette and the colour field match exactly. If the colours do not match exactly, an intermediate value can be estimated.
8. Read off the measured nitrate value under the relevant colour field. Correct the result if necessary.
9. Rinse out the glass cuvette and the syringe thoroughly with tap water after the measurement process.

Note

Nitrite concentrations affect the nitrate measurement. Therefore, the nitrite concentration should also be measured and, if required, the nitrate results should be corrected in relation to the table before carrying out the nitrate measurement. High nitrite levels are usually found in tanks that are in their maturation phase or in tanks with nitrate filters.

How to correct unfavourable values

If the nitrite and/or nitrate concentration in the water is too high, we recommend:

Assessing and, where necessary, reducing the feeding quantities or enriching the food with Tropic Marin® LIPOVIT / LIPO-GARLIC;
Assessing and, where necessary, regulating the stocking rate;
Exchanging a proportion of the water on a regular basis;
Using Tropic Marin® NP-BACTO-BALANCE and / or NP-BACTO-PELLETS to reduce the nutritional level over the medium term.


Shelf life and storage
6 months after opening. Store in a cool, dark place.

The entire instruction manual as PDF file can be found here: Nitrite/Nitrate-Test

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