TetraTest Nitrite NO2 Test kit For Aquarium Tanks
Simple to use kit for determining nitrite levels.
The TetraTest Nitrite kit is a liquid kit, which works by changing the colour of a water sample in relation to the nitrite concentration. You simply need to compare the colour of the sample to the easy-to-read colour chart in order to determine the nitrite level.
If nitrite levels are high then you should seek advice as to the underlying cause.
Aquatix-2u Price: £6.99