I've been using MG soil for the first time...I've never had plants grow like this.

All that Glitters is not Gold, the saying goes, I know.....

Can anyone tell me about the "dangers" of using MG ???
I've tried searching the forums, I've found nothing more specific
than "Ummm it's just BAD, mmmkay".

I'm a biology student, it's ok to use big words with me.
Anyone?