Salifert Fresh NO2 Test - Nitrite (NO2) Test for Freshwater Aquariums

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Salifert Fresh NO2 Test

Salifert Fresh NO2 Test is a drop test for monitoring nitrite (NO2) in freshwater aquariums. Nitrite is a toxic intermediate in the nitrogen cycle, and elevated levels can quickly impact fish health. This test is especially useful during aquarium cycling, after filter maintenance, after medication, and whenever water quality issues are suspected.

What the test measures

- Nitrite: NO2

Key features

- Simple drop test for routine freshwater water testing
- Helpful for monitoring the nitrogen cycle and troubleshooting water quality
- Allows fast detection of elevated NO2 in freshwater tanks
When to test

- During aquarium cycling (nitrogen cycle)
- After filter cleaning, major water changes or stocking changes
- After medication or if fish show signs of stress
- When poor water quality is suspected

How to use

- Take a water sample in the test vial as per the manufacturer’s instructions
- Add the reagent, mix, and wait for the reaction time
- Compare the colour to the chart to read the result