Just planning the auto water change now and then in April the balling chambers
The AWC programmed and controlled by the profilux will be as follows
1/4 Ro line gravity drained from sump to basement about 12' below direct to drain, this will be controlled by a solenoid. The ATO sensor will be switched to dual mode ATO/AWC and a second low sensor for the AWC lower limit draw off.
In the coat closet behind the tank will be a large (ish) vat, this will at present plans feed the tank with new water via a tiny power head. The tank will drain and replace 1L twice a day so approx 10% a week.
Due to only draining off 1L at a time the tank will not have to have any equipment down time making the water change process and programming very simple.