That is fine you can disagree, if you gave me an exact replica of your room to do a side by side I would show you that I could do the same with less.
I could also probably be doing the same with less, and could probably be doing the same with 2-300ppm more. As you know, not only does it depend on environment, but also on strain, phenotype... hell, it's plant specific tbh. I know when it's too much, but right now, they're loving it. However, just for fun, my setup:
1.2m x 1.2m x 2m tall tent
600w hps (dual spec bulb)
50 litre bucket
Advanced Nutrients (grow, micro & bloom). Currently using a ratio of 3ml/l bloom, 1.5ml/l micro and 0.5ml/l grow.
Air intake and carbon filter a exhaust. I forget the exact cfm, but it's more than enough for my tent.
2500 lph airpump with one 10cm diameter air stone.
One fan, for airflow.
Growing one CBD Medi Haze. Topped, supercropped and scrogged. Currently on week 4 of flowering.
After the first week of flower, given the sati a influence, the scrog became more of a support net. Haven't had a single problem with the plant since the beginning. Increased the ppms steadily every week, I'm now staying at 1400-1500 for the rest of the grow.
Plant has completely taken over the tent and is growing luscious buds that smell of lemon and blueberry.
Tbh, this has to be my favourite strain and grow so far. Have a couple vids on YouTube if you care to check some of my other threads.
So yeah, feel free to do a side by side, would be nice to see a comparison