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 Made in Holland
Amazon MarketplaceDue to its unique formula, the Salifert test kit does not suffer from amine interference and provides full color development in one minute The test kit has two different scales: an ultra-low scale for nitrite nitrogen that ranges from 0.002 to 0.12 mg/L, and a mean scale for nitrite nitrogen that ranges from 0.02 to 1.2 mg/L Enough for up to 50 tests Can be used for marine water, fresh water and garden pond water Made in Holland