I would highly recommend that you setup the doser. At 6dkh alk, your tank can crash if it is dropping 1dkh each day. Just set it to the maintenance dose for each day. Remember to have a plastic check valve on both ends. That's one inside your solution container, and one at the tube holder. Prime the doser so that the tubes are completely filled.

Oh and be aware that if you don't have the doser led set so that you see current time, it will not work. Meaning your stuck in a menu so it will simply pause.

I don't understand why your mag is all over the place. That's usually the only element that we don't have to dose often.