Isn't MJ in soil best grown at around 6.5-7.0, bottom-line? What is going on here? I keep getting conflicting info on this. Seeing that adjusting to 6.2 got me into big trouble, I am inclined to go with those who swear by the more neutral ph level, my soil was at 5.5 and
OF is around 5.2 out of the bag, right, so don't you want to significantly raise that for MJ?
I agree that PPM/TDS shouldn't be a factor for soil, unless you're using RO/Distilled water, which is basically a "blank slate" of water - it's a transport mechanism at that point, what you add to it is what matters (whether it's in the soil, or via the nutes/additivies you put in it). This is why filtered tap water, which has a higher PPM/TDS ratio, isn't such a bad thing for your plants, if you're removing/reducing the chlorine and pollutants from it first of course via a filter of some kind.
In any case, and seriously I apologize as I don't meant to be confrontational, but there are a lot of variables, yet shouldn't the understanding be that your soil needs to "end up" in the 6.5+ range, at least? And how you get there involves the variables.
Not questioning your knowledge/experience, but this really threw me off and screwed up my first grow - either I'm misunderstanding or there's something going on, on the interwebs, that is confusing people.