You connect it through your auto RO top up system. Incoming pipe from RO pump into the pipe going all the way down. The outlet pipe from kalkstirrer must drip into tank.
Add a bit of kalkwasser and fill with RO water. Put the pump on a timer to mix the kalkwasser for 1 min every 3 hours or so.
1 litre juice bottle works great Drip it in every night.i want one too