These ladies are 5 weeks into veg, under a RDWC system using 480ppm: 3.7ml/gal H&G Aquaflakes A&B Hydro, 5ml/gal SuperOrganicStimulant, .12ml/gal Roots Exelurator, 4ml/gal CalMag.
I'm still getting a little bit of purple in some of the leaf stems, but I have a hard time believing it's calmag...