What do you mean? Do I do it personally? Yes, via a doser. I also drip kalkwasser every 2 hours for approx. 15 minutes via the same doser. Makes things much easier on me and keeps everything happy and consistent.
I dose a do-it-yourself two part, like what was in the article. However, as opposed to measuring equal amounts of each part every morning and dumping it in the tank, I have a dosing pump that does that for me. I also use it to dose kalkwasser at regular intervals, as opposed to gravity drip. This is the exact model I have--each pump or "channel" allows me to dose a single different liquid: