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I only have a 400w in there, and I do leave the door open when I can. BUt its when guests are over for extended periods that I need to keep the door closed. I guess im just not really sure how to position my fan and ducting so there arnt that many bends in there because the room itself is so...

seedless, take another close look at the first picture. The air is pushed through the hood going up and up out of the room. Ronjon, i think ill try that. maybe mount a 90deg elbow to the other end of the hood, and attach the duct booster to it. I was hoping with such a small room, and such a...

Well the air does exhaust. The hood itself isnt very hot, its the glass thats hot. I did read that the thinner the glass, the less IR accumulates in the glass, so theres less heat trapped. Though I got HTG's system. Anyone else notice that? syncopater, there is an intake, THe last picture of...

The fan is pushing air. The carbon filter is attached directly to the fan, which is blowing air past the lights and up through the ducting and coming up and out at the very top of the room There is no air above the hood besides the small fan I attached to the shelf thats blowing down on top of...

Here is a picture of my setup. My temps with the door closed went to 95, scary. Running a hose isnt an option, as my room sits out in the living room, and it needs to be stealth. Unless its through the walls. I would do c02 if I could, though I also heard its best to purchase the 20lb tanks...

Im glad someones posted in this thread. Ive also been very interested, but Ive been surprised that it hasnt caught on with more growers with all of those advantages. Just curious why

Its going to be difficult for me to route a/c into the room, I wouldnt even know how to start running hoses through the ceilings and walls. As far as co2, Ive considered it, but my fan is on all the time, and its supposed to be a very high cfm for the size of the room, would that be pointless then?

My setup was fine when it was the winter time. Now that ambient temps are around 80, it doesnt seem like my ventilation setup is enough to keep temps down. Heres pics of my room, I have 1 6 in S&P fan pulling air through the carbon filter to the light, and exhausting at the very top of my room...

so how many of you guys are still using the cmh over your hps?

Cool let us know how it affects the flowering phase. Anyone whos had experience with both?

ya orzz, i was thinking about the car's reflective shield also. Its clothish so it doesnt absorb heat really, and its shiny too like mylar. Im more interested about the fact it brings heat down than FLIR cameras

ALright, I hit them with a dose of my veg nutes, its 6-4-4. Now it wouldnt turn the leaves back green right? Its permanatly damaged? But would just prevent it from happening in the future? Its not light bleaching, Ive had it happen on some of my other plants before, so I know what that looks...

What kind of material is the heat shield made out of? Is it possible out make your own for the people with reflectors that isnt compatible? I have the easy 6 from HTG

I took a 60x microscope to it, didnt see any red dots like spidermites. My other plants right next to it has been looking fine, no damage on them that I can see. They have been like this and getting progressivly worse for the past 5 days or so. Didnt think it would get worse :( As for the...

Im pretty sure its not just a leaf thats going out, that leaf was near the top, and Ive never lost a fan leaf from one of the top colas. That and the plant looks sick. Heres additional pics

UB, What do you think is wrong with this plant? Ive treated it the same as all my others, but this is the only one showing a problem. It doesnt look like nute burn to me...

bdonson, UB actually recommends to score the roots when you transplant

No one has had exerpeince with these bulbs? FYI for the ones that dont know, CMH stands for Ceramic Metal Halide

Ive seen some discussion about these bulbs, how they run at lower temps, and that it has it has tighter buds. If this is accurate, why hasnt it really caught on? Wouldnt everyone be using them? Anyone use them and coming back to HPS?

Just wanted you all to know that I tried the cloning without the humidity dome, using just a egg carton and rapid rooters. The clones rooted MUCH faster, with much more roots. I would definitely recommended to do it that way. Just wanted to share Oh yeah, I took the clones 2 weeks after...