Looks like you did a good job getting the large ones to the back before it was too late, it’s like a staircase 
looks cool. Nice long colas on those.
What do you think of the purple petioles? I’ve always seen that associated w/ lower ec/P but someone typed up something here recently saying it can be excess sugar production from too high of growth inputs; light, water, nutrient etc… I’ll try to find what they wrote.
Edit: I had it wrong, still interesting though…
Last paragraph of that post
Also, I have a few questions about your sensor setup between runs & calibration? Mind if I drop them here? Don’t want to spin this too far off topic