Cal Mag and Beneficial Microbes

Hi, Quick question, does anybody use RO water with Cal Mag for making microbe tea? I followed the Heisenberg bennies article but did not see anything about this. Making water without nutes, just the tea to top off DWC.
Thx

PS Thanks Heisenberg, already a big help

No need to add calmag to the water, the microbes don't need it. If your hankering for something to throw in there put a dash of liquid karma in there.

I would focus on getting the chlorine or chloramines put of your water. Aquarium conditioner is the shit for chloramine removal!!