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Thats only 50% of the harvest;)

Hey all. My first grow is now over and I got 4553,4gram or 10.03lbs:) Thats 1.1g pr.watt... I ran 4200watt most of the time To all who said "noob has gone over his head" bla bla bla. haha

Go for hydroponics instead. With a large resorvoir there is almost no maintanance!

I have fixed the air;) I added 6 air cooled hoods and a new 700cfm fan to cool them down. Now I can adjust the temperature from 65 - 85 24\hrs a day;) sw33t! tnx for the help!

How do you cool your lights? I mean, how many cfl does your fan that is connected to the lights move? I have a 400cfl fan on 3x600w HPS with 4" ducting, but I am wondering of I should get a 700 or a 1000 instead. How do you manage to get your room so cold when you dont have any fresh air coming...

I am wondering the same thing. Now I have 3 lights on my 400cfm and I am wondering how much more cfm I need to add 3 more lights, making it 6 total..!

Now I have bought 3 air cooled hoods and those 3 are the only one that is turned on. I also bought a 700m3\h (400cfl) fan that sucks fresh air from outside using a 4" ducting, through the lamps ant pushes the air up out on the roof. I really dont think it helped much, maby 1 celsius which is a...

Right now I am only running 4 of my 6, 600watt HPS and I barely manage to keep the temperature at 75fahrenheit! I am not looking forward to turning the last 2 HPS on.. What would be better?: Changing the out exhaust air fan to 2500m3 (70% more than I currently have) Or Keep the 1500m3 exhaust...

My HPS`s are not air cooled! I use best quality reflectors instead, dont know why, but I do;) Anyone on the expected yield?

Does anyone know how much I can expect to get with this system? I mean, Ebb\flow hydro, 3600watt, perfect temperature and very good nutes. If nothing goes terribly wrong I mean. The 1gram pr. watt, is that just a myth? I grow the Silver haze strain;) I have heard it`s a heavy yielder!

I found hoods without glass, but it`s not as temperature effective as the ones with glass. I will report back when I have changed the exchaust in\out. I don`t have any plants there yet, I want my system to work 100% perfect before I fill the pots:) Carpenting inside the room is way to hard...

Thats what I concluded with. I am getting a 1400cfm to use as a extraction fan. Then I will use mu excisting 700cfm for IN AIR instead. Thats going to be a LOT of air movement! I really don`t want to use cooltubes! Does all air cooled HPS have glass in front of the HPS lamp?

Yes, on all of the above, I know how to handle a grow room. I just need to fix the temperature. But I see now what I have been doing wrong, but tnx anyways:)

Why is it more hassle to have 6x600 than 1x600? I use a huge water resorvoir to maintan stable food, PH etc. I just made a quck paint picture to show you my setup:

Getting rid of the ligts is NOT a good plan:) And how will a lot more fans help me? You do understand that a regular fan simply makes the air circulate, not cooling it or extracting it out for new cooler air to get in? The way I see it, I have 4 options and will do it step by step untill I get...

Gonna try a 1200m3\h AIR IN fan first, see if that helps:) A lot less work, and a lower cost! Personell in the grow shop wanted me to get an even bigger OUT air fan, even dough the one I have now should be able to suck out all the air in the room within 1 minute and 20 seconds! LOL

Hehehe dude, you have done your mathematics wrong. If you want to change M into ft (meeters to feet) then multiply meeter by 3,28 and you get feet. So: 1500m3\h is the same as 4920ft3\h. My room is 60m3, or in feet: 200ft3 For the non-schooled ones here; m3 is the same as cubic! Cubic is...

pics coming now. Room looking like a pig now, I will post new pictures for you when it`s done. But first we have to fix this heat problem!!!

And how am I supposed to cool the lights? The lights are on during the night, its pretty cold outside, but I have no chance to get the room under 90 degrees!! It`s climbing to over 100 degrees now.. Dont know what to do here!