If you make the switch leave your doser going at a slightly lower rate and slowly move over to the Calx Reactor. Lots of testing for the first few weeks in my experience, but once it is dialed in you shouldn't have to do much tweaking.My goal is sps dominate my second time round. I notice sps don’t like fluctuations my first round so I want everything in place as far as stability before I make a big sps package purchase . Dosing will work, but when I’m dosing 150ml every other day I don’t want to cause RTN or something when I switch to calcium reactor later