Newbie to SW. I have a RSR450 and want to start to dosing Kalk the easy way. Currently I am dripping out of a milk jug about a gallon a day per 1/2 TSP. I like to build and tinker so I would like to put in a Avast K1 you build it kit. Can I push ATO RODI out of the ATO chamber into the Avast Marine Kalk stirrer with the BRS 1.1 doser pump and then let gravity push the Kalk out of the stirrer or do I hook the pump up the stirrer to draw/suck the Kalk out of the Stirrer. I read the instructions on Avast K1 and it isn't really clear. Has anybody got a Avast you build Kalk stirrer? The seem to have good reviews and are like $50.00 bucks less if you build. Any advice? TIA