Kalk Q?

[Myka]

Anyone know if I can use Kalk can be used like calcium or alkalinity buffers just by stirring up in some RO and dumping it in? I know you're supposed to wait for it to clear...but why?

I have a container of RowaKalk, but I've never used Kalk, and I need to dose some calcium (and alkalinity) without magnesium. My current calcium product has magnesium in it as well. I'm out of straight calcium.