I've turned down the lights again to 60%, and with the increased feeding last week, the GMO and Glookies really seem to be getting back some green where it was almost gone. The overdose in N from CalMag Agent seemed to have done the trick. Some of the lower leaves on the Glookies are already quite dark green, and since I expect to harvest (some) in 2-5 weeks, I don't want to overfeed it now. So I have reduced the CalMag Agent level again.
Sour Strawberry and Acapulco Gold are unimpressed and continue to slowly fade.
They have also gained a bunch of weight again, all in all it's going ok now.