Because of its unique formulation, the Salifert Test Kit does not suffer from amine interference, and offers full color development within one minute
The test kit has two different scales: an ultra-low scale for nitrite-nitrogen which ranges from 0.002 - 0.12 mg/L, and a medium scale for nitrite-nitrogen which ranges from 0.02 - 1.2 mg/L
Sufficient for up 50 tests
Can be used for marine water, freshwater and garden pond water