In my post - it is a serious fault - I wroteI’ve always thought this is correct.
Never thought I’d be dumping bottles of Phosphorus In my reef tank! So testing Nitrites isn’t that crazy!
I have never used bottle bac. If I did, I’d want verification that my nitrogen cycle is working.
Are you saying that a healthy reef with a robust nitrogen cycle can read .02ppm Nitrite?
"It should show below 0.1 ppm NO3"
of cause it should be
It should show below 0.1 ppm NO2"
Sincerely Lasse