What are these spots on my leaves?

A little background info...

Nearing the end of week 5 of veg, under 2 600W MH lights, in 3 gallon pots.
Strains: Purple Voodoo, NYC Diesel, AK48, Cheese, Strawberry Cough, Flo, G13, and some unknown Indicas.

I started with Earth Juice for the first 4 weeks, then switched to Dyna-Gro Foliage-pro in conjunction with the Pro-Tekt. I have the Mag-Pro for flowering as well. I also supplement with B-52 and Voodoo juice from advanced nutrients. And I foliar feed with Dutch Master Liquid light and saturater.

Any idea what these sopts might be? I mix all my nutes very precisely so I don't think its nute burn.

How's your soil PH? At this point in your grow, the PH usually drops, or at any rate, is very common to happen. Being that they're pretty droopy, and sorta light in color, along with the problem you've mentioned, it seems as if multiple deficiencies are starting, which is why I'm guessing your PH is off. As long as you don't think it's an overwatering issue(making sure to let them getting sufficiently dry, in between waterings), it'd be a good idea to flush them til the PH is where you want it(around 6.5), then give them a balanced feeding, with all the trace nutes.(making sure there's sufficient nitrogen, as well. they look like they may yellow early) Also, if you want to speed things up, give them a 1/2 strength foliar feed, with either veg or bloom fert, with micros, as well. Personally, I'd go with veg fert, filling the early N deficiency that looks to have started.