labs

I'm trying to find a "mother culture" recipe for effective microorganisms. I've seen numerous posts and videos of people making a LAB serum and calling it EM1 and I don't quite understand. I've found one video that makes sense to a degree but there are a couple variables. I'll leave the link...

So, I'm convinced that Kombucha is more cost effective than LABS and EM culturing. I'll back this claim up later with some examples prices from my experiences culturing microbes!! The difference is, it is not a concentrate like LABS or EM. It is about the concentration strength of EM or LABS...