I have measured few times NO3 with de New Hanna HI782 and I'm seeing that the values are much higher than the Salifert and Nyos checkers.
Hanna HI782 --> 15.9
Salifert --> 9-10
NYOS --> 10.
Is somebody experimenting this behavior?
Hanna HI782 --> 15.9
Salifert --> 9-10
NYOS --> 10.
Is somebody experimenting this behavior?