Okay, yeah I see the tips, and it looks like your soil is slightly hot. Just give her water for a bit. Veg starts when the plant is no longer a seedling and ends when you say it does. I've never used Fox Farm nutes, or Fox Farm anything for that matter, so hopefuly someone with experience using them will comment.
I would watch any yellowing patches on the leaves, as they can indicate insect damage, but if they don't get worse and you can't see any bugs, they're probably nothing to get too worried about.
Cal-mag is a good thing to have on hand, and it can definitely be a lifesaver when calcium or magnesium deficiencies show up, but that's usually when your plants are older, in flower, or you've been using RO or distilled water. Still, useful