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Here are some pictures I took today of the devastation this stuff caused. The spots start out rust-colored a few hours after application, then they blanch a sort of white/brown, and turn black and die completely within a couple days.

Hi, I've got some issues I'm trying to fight off with my ladies on an indoor grow, so I picked up a bottle of Essentria IC3. This stuff is supposed to be an all natural bed bug killer, but doubles as a great plant treatment from what I'm told (by the bottle instructions, and by lots of people...

Thats the best explanation I've heard so far. Brilliant!

Gotcha gotcha. Yea even in the ignorance of my initial setup, I would never think about pushing through a filter. Too much opportunity for smell leaks, sounds like it might blast carbon everywhere, and the fabric sock filter that wraps around the outside would become fairly useless, dirtying...

@VegasWinner I've already flipped it around and it definitely solved the problem. I do have one question, though. What did you mean when you said filter will stay clean?

@GrumpyToker - as I mentioned my 600W has a switch on the ballast for 50%, 75%, and 100%. My intention was to buy a 400W for this tent when I started, but the 600 was maybe $10 more and can be dimmed, so I bought that with future grows in mind. I never have it above 75% (~450W). To everyone...

Really appreciate all the suggestions! Will rework some things today and report back later with my results.

@SPLFreak808 & @Resinhound - That's really interesting, I've heard anywhere from the contrary to them being exactly the same either way, to working better as pulling like you both said. I guess as with any aspect of growing there's so much misinformation floating around that trying it myself is...

@SPLFreak, no they do not show any signs of heat stress. I am concerned that their growth rate would slow, more than I am that they would actually shrivel up and die. But in either case, I always want to strive for optimal conditions, even if the current ones aren't killing the plants. My...

@rkymtnman that all makes sense to me, and would mean that the 449 CFM is pulling not only the air out of the cool tube, but also the air out of the tent, which would surely help with the temps. I'm curious about two things, however: Obviously the first is smell. Since this negates my...

@Resinhound, you could very well be correct! However since your first post sounded like you didn't read my OP at all and were just replying about pulling air off the top with passive intake on the bottom (which is what I described in my post as doing with my carbon filter exhausts), I got the...

I just drew a diagram of the full setup. Hopefully this will help you all visualize what I'm dealing with. @SPLFreak808, I have 2 acurite thermometers on the floor of the tent (my plants are still small, so they only rise maybe 6" above the termometers. I also have a thermometer/hygrometer...

@rkymtnman - it's about 6 in from the vortex on the outside of the tent, in, another foot through the cooltube, and then another 2.5 - 3ft to the window exhaust nearby. I'd say no more than a 5 FT run from the vortex to the window. Before I attached the exhaust end to the window, I could feel...

@Konassure - those CFM numbers are WAY higher than I've seen anyone using for such a small tent (40 cubic feet). While I'm positive that a 1500CFM would solve my issue, my cool tube is only 6", so moving up to 8" or 10" ductwork for the cooltube run doesn't seem viable, does it? It would also...

I'm sure it can handle it fine. Those Vortex fans come with a nice 10 year warranty even if it does overheat and burn out. My real concern with flipping it around is that I'm not positive I can fit it on the other side of the tent pulling, and moreover I don't see any reason why that would give...

Not sure that sounds right, Resinhound. From my understanding Inline fans are capable of pulling or pushing air just as effectively, however when pulling air all you're doing is shortening the fan life by making it run full of hot air constantly. Can anyone else weigh in on that fact? *Edit*...

Resinhound, where do you suggest I add additional exhaust? If it's tent air, it needs to be carbon filtered. I don't have room for a third filter along the ceiling, that's just getting to the point of madness I think. Rkymtnman, 449 is the max I've ever seen for a 6" inline. Don't think I'm...

Hi all, I've been running a flower tent (2' x 4' x 5' high) for about a month, and am constantly on the verge of it overheating. I've done a ton of research, built out all my fans/ductwork in the best way I can think of. yet I still constantly feel like my plants will overheat any minute I step...

Much appreciated doc, I trust your word over my inexperience having never had the problem. That ebay link is exactly what I needed, I heard there were small sample sizes available on there, but when I did a search I could only find the $200+ bottles. This makes it much more cost-effective to...

I've now checked 4 plants, and have found nothing for mites. I'm going to keep checking, and definitely check at different stages of the grow, but I don't think I've got them, thank the cannabis gods! My guess has to be genetic, as initially thought. Nothing else seems to explain it being so...