I did my first Mg
test this past weekend with the Salifert kit. After the syringe was emptied (indicating 1500ppm Mg
), the sample was still deep purple, and hadn't changed to grey/blue yet. I didn't continue with a 2nd syringe of reagant to get a final value, though.
I'm not dosing Mg
, or adding it via Tech M (or any other product). I'm guessing this is just a "build up" from my salt mix. Is there a point where it gets too high? If so, how can it be removed?