Madmax
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They do but i dont think they would penetrate enough into the canopy..sshz would have to run 4 of those in there ea side .b going from 600 odd watt each side to 1200ea side..i see where your coming from though..
I think we covered already that the UV-B coming from a CMH is rather limited in comparison to a dedicated UV-B bulb and fixture......... but others will correct me if I’m wrong.
There cant b that much uvb to b running all the time.this wouldnt b why plants get stressed under cmh MIM...like in veg....i had mine hanging at 42 inches or there abouts and was getting leaf stress..
Finally getting some stretch out of some of the plants........I think I can flower a bit earlier than planned, instead of waiting til 5 weeks thru veg on Friday. I'l also probably move all the taller plants to one side and put the shorter plants to the other side, which will let me move the LED's to an optimum height. These will also need a defoliation sooner rather than later, as there's some big ass leaves blocking tons underneath.
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LOL.......you're not kidding. Stuff looks great and I was forced to spread the room out a bit more as everything was runninng into each other. I'm figuring on Wednesday I'll pull everything out of the room, clean them up and do a bit of defoliating and arrange them back strategically. I also want to get a PureCrop1 spraying in at some point........
Here you go, look how cute it is.........all the dead gnats collect in the bottom tray, and it's easy to open and dump.
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I had russet mites this summer in my outdoor, used a sulfur burner in my greenhouse and it worked great. I used it every 3 days for 2 weeks. The plants turned out greatI generally don't have to do much............at least in the winter. I fought mites for years but they haven't been an issue for the last 2+ years. I'll put in some yellow sticky traps after I lolipop, and spray PureCrop1 a few times but passed that, I watch carefully for bug issues and not much else. I also bought a UV flying gnat killer for $30, which I'll start putting in the room here and there if needed. I'm guessing it's too cold outside for anything to invade right now.
Mites have been my only real issue in the past, and it's one of the reasons I decided to switch rooms- just to get a clean start. They would show up in the 3rd-4th week of flowering, and I've tried just about everything on the market to kill them at one time or another. Now I spend a lot of time cleaning my pots at the end of the crop, thinking mites would leave eggs which would develop into mites when the timing was right. By soaking the pots in very hot water for an hour or two to clean them up, and then spraying the room down with a couple of various things in the cleanup, i've gotten a handle on the borg.
I've never seen webs, which most likely means I had russet mites (they don't spin webs). They are very tough to get rid of, and not all mite killers work on them.
And @sshz i spray isopropyl alcohol and wipe down every pot before storing. And every stand, tool and anything else that comes in or goes out of my rooms.
i even wipe down bags of soil and supplies from the grow store.
but i still got the root aphids.