Just poped in to say High! ;) Im on pretty much same point in my grow, also after a loooong break, I can see some signs of light stress, LED's are too bright, thus You having already few symthoms like "praying hands" and first signs of discoloration between veins. Had run into exact same thing and took me a while to figure it out! If You have a dimmer turn down the liht down about 25% ans/or pull the panels some 15-20cm higher. If You have any questions feel free to pop into my diary and shoot me a comment also take a look how this damaged my Sherbet Queen Auto and how nicely it recoverd after I dimmed the light pulled my panel a bit higher, also gave them some pro chlorophyl foliar treatments to help the recovery, mainly Iron in form of Vita Race and Epsom salt weak solution also foliar sprayed. Will upload some new photos today. [TL;DR]Have fun with Your grow looks super nice beside slight light stress..
@Koyaanisqatsi, thanks man! I actually dimmed the light earlier and even removed the second small one to see how they react… Im not used to how powerful these new LEDs are.
About the praying leaves tho… they started praying even MORE after getting less light, the fans were almost at a 90° angle which was odd. I thought they’d fall back down instead