I had lots of issues early on with ffof and the trio. So my last transplant before flowering was into roots based supersoil. The plants loved it and I won’t look back, the harvest was so successful, averaging a pound per plant with zero effort outside of the original mixing, watering and the odd boost with worm tea here and there.
Only thing I’d say is that I had some fungus gnat issues that may or may not be inherent to roots. I’ve heard mixed things. It wasn’t anything DE couldn’t fix though.
Edit: apologies I may have misinterpreted your question. I was referring to roots organics soil mix with supersoil amendments ( mostly from the line of down-to-earth products)