This morning I used the API liquid nitrate test kit and the API nitrite/nitrate test strips on the same sample of water.
The liquid test kit gave me, to the best of my reckoning, about 10 ppm nitrate.
The strips gave me 40 ppm.
Is this... typical?
The liquid test kit gave me, to the best of my reckoning, about 10 ppm nitrate.
The strips gave me 40 ppm.
Is this... typical?