Triangle Kush x M10 1st Grow

-Discovered some initial signs of thrip damage, checked a leaf under a scope and did see a couple larvae. As a result, did a major leaf strip (as you can tell from the first overhead picture to the second one) and sprayed with Captain Jack's Dead Bug. Going to order some green lacewings in case the spray and root drench didn't finish the job. Don't really want to spray anything else the rest of flower if I can avoid it. Bud development seems to be moving along, although slowly. I have been hesitant to feed much because of the Ocean Forest soil I'm using, but I'm going to give a heavier than usual feed next time and see how they react. I've kept it very light up to this point, and they now have 1000ppm of Co2 and way more intense light, so I'm assuming they can use the extra food. Just a bit of info on the room setup itself. The canopy space is 4x7'ish. The light is an HLG 550 V2 Rspec on a light rail light mover. Co2 being added via tank with fuzzy logic controller, and a dehumidifier keeping the room in the low to mid 50's. Temps are staying around mid-80's during lights on, and closer 78-80 lights off. UPDATE 8/11 - End of Week 3: So it looks like I screwed up big time! On 8/5 I did the root drench portion of the Capt Jack's Dead Bug treatment, then the spray treatment on 8/6. I had the bright idea that since I'd been fighting a mag def problem for a while, and that Cal-Mag says it can be applied as a foliar feed, that I'd add it to the bug treatment and spray both together. Cal-Mag was also in the root drench at Botanicare's suggested concentration (FOR FOLIAR) of 10ml per gallon. So I both root drenched AND sprayed bug stuff + Cal-Mag at that concentration (I had mixed all of it in one batch like an idiot!) within a day of each other. Plants did NOT like that as you can see from the pictures. Leaves overall got pale, and MANY burned tips and burn spots on the leaves. I'm not sure if this is the end of these plants altogether, or if they can ride this out, but I'm quite sure that I've done permanent damage. For now, I'm just going to continue to water with straight RO water (they got fed bloom nutrients last week) for a few waterings and see if that helps them any. If it looks bad, I'll just cut them down. The biggest mistake I've made so far with this grow was letting them veg way too long. I was holding out for a better flowering light since I didn't have a suitable one when they were ready to switch, so I just waited. Now they are tall enough that they are going to finish too close to my light (HLG suggests minimum of 24" in flower, and the tallest buds are already inside that range), and since this most recent screwup, I'm positive whatever I get will be crap anyway. The other issue is the clones I took will be in the same position while these are still finishing - plants ready to flower but the flower room is occupied. I suppose I could just start them flowering two or three weeks before these finish under the 8-bulb T5 they under right now, then put them under the flower light after I harvest these. That seems a rather bad option, because then instead of one gimpy crop, I'd be starting my second one under less than ideal conditions as well, when I could just accept the loss on the first and give the second a way better chance. What a mess! Good lessons being learned though. Biggest lesson this week was DON'T TRY TO DO TOO MUCH! Fix one thing, then worry about Cal-Mag or whatever else is going on. As much as this is a bummer, I'm glad to be going through this because it'll all just make me better going forward.