FWIW, I used b-ionic to supplement my kalk dosing and never saw any problems. I was pumping kalk in short bursts, and made b-ionic additions at the end of the day... because kalk dosing was automated (via auto top-off), I don't know how long it was before the most recent dose of kalk and the dosing of b-ionic... but it's possible they even happened at the same time, or very close together.
Nuno