Is 1000w too much for a 3x3 tent?
- Thread starter sneaky101
- Start date
Absolutely possible, assuming environmental parameters are kept in check.
I've done so for some time now, 3'x3' w/1000W with RDWC and soilless.
Keep buds at least 13"-14" from the hood and you should be ok with bleaching. Past 2 runs I've had a couple tops keep streching and bleach a few calyxes, but rather minor.
Assuming a sound environment, good strain, dialed.......you'd absolutely yield more & likely the same if not better quality.
Few shots from various runs as mentioned.
I've done so for some time now, 3'x3' w/1000W with RDWC and soilless.
Keep buds at least 13"-14" from the hood and you should be ok with bleaching. Past 2 runs I've had a couple tops keep streching and bleach a few calyxes, but rather minor.
Assuming a sound environment, good strain, dialed.......you'd absolutely yield more & likely the same if not better quality.
Few shots from various runs as mentioned.
and we're heading into the right season to give it a shot for sure...Well, the tent is in my closet and the environment is pretty sound. I have a 6" can fan max, about 330ish cfm with a Phresh filter to match. Rdwc. I do have an air cooled hood, but considering upgrading to the Blockbuster hood. As for what I pull from harvest, not really sure. This last run of Whiteberry was my first real run with the tent and I didn't fill in the screen very well. And in the middle of the bloom cycle I upgraded bulb/ballast to 600 watts, so everything is skewed. That run I got just shy of .5g/w. Disappointing somewhat, but I'll get there. This
round is of BOG's sour lifesaver and the scrog is much more dense this time, so hopefully better yield
Brotherindica, what do you pull from your 1k watt in that tent? That is impressive, and what I am shooting for!
Thanks for the replies everyone.
round is of BOG's sour lifesaver and the scrog is much more dense this time, so hopefully better yield
Brotherindica, what do you pull from your 1k watt in that tent? That is impressive, and what I am shooting for!
Thanks for the replies everyone.
Schwilly had a similar question - "I'll say, if I had to hazard a guess, 0.75-0.9GPW.......strain dependent."
Just 2 things I'd advise.....
1 - Make sure your water temps stay low w/RDWC & this much light/heat....1000W can kick some heat in a small space. Unless the surrounding area is COLD, you might have water temp problems. IMHO it's not really possible without a chiller, I prefer water temps 65-68F.
2 - I'd try to air-cool the light independently from the filter/fan.
You have the exhaust go filter->fan->light->exhaust ??
I'd try for fan->light->exhaust and then filter->fan->exhaust. An extra fan will allow you to dedicate 100% cooling to the main heat source. Using a speed controller with the filter/fan combo you can then tune the tent exhaust rate. Gives you a bit more environmental control.
**Just a heads up**, I'd keep a nose out for the Phresh filter. Someone whom I trust told me through their experiences they didn't last nearly as long as competitors. This was found out the hard way, with leaked odors.
I have a small grow area with a 600w HPS. 30" x 30" Height is only 54" so subtracting for the light and the 7 gallon pails I have to SCROG them. Still, I can keep the cola tops 15" away but a dense canopy results. Had wondered about replacing with a 1000w, but that seems silly considering my height challenge.
You might be able to get a little more in a 4'x4', but no reason you can't get a very respectable yield out of a 3'x3' scrog.
Not sure what many consider "acceptable", but IME a 3'x3' scrog w/1000W can give ~2lbs..........about what "most" consider a nice yield off a 1K bulb.
Vertical is a different story.....but considerable more space.
Let me first say thanks for all the responses! ~2lbs would be GRAND!!
I was hoping for just over 1 lb, but if somewhere between 1 and 2 is achievable in there, assuming my environment can handle it, is worth it to at least give it a shot since I already have the ballast. I think I will order a 1k watt bulb and see what happens. Just flipped it to 12/12 the other day.
Question Brotherindica, would it be worth it this round to bloom under 1kwatt lamb since it was vegged under 600 watts and will have had 600 watts for the first couple/few weeks?
With a proper environment, it's absolutely possible. Telling you from experience. That being said, it's all depending on environment and how well they're trained/grown.
Again, assuming you can control temps, airflow, etc.....I'd say go for it. Just be prepared for lots of training and some defoliation. Little bit of a learned curve, IME, going to a higher watt/sq ft grow, but you can achieve the same results.
They shouldn't be bothered much by the extra light from 600 to 1000, but extra heat may present a problem if it can't be vented well enough.
Respectfully disagree.
While "maximum" yield may come from a 4'x4' w/1000W and a 3'x3' w/600W..........very possible to get 2lbs from a 3'x3' scrog w/1000W. Can't say I've ever gotten the same yield, of quality, off a 600W in the same set-up.....
Certainly worth it if the extra space for a 4'x4' isn't present.......
Training and defoliation isn't an issue. I do a scrog in that tent. I will post a pic when I get home of my setup. This round there is sour lifesaver in there. Now that I'm doing it, I realized this strain may not be the bestscrogger. We will see. It's just that it is sooooo bushy and so dense. The branches I mean.
My main concern is temps. Right now it is about 82 degrees at canopy level and I don't have a chiller ATM. I figure that the Rez is probably 10-15 degrees cooler just because of all the shade. Will post a pic later today or tomorrow. Nah, it will be tonight. See you all then
My main concern is temps. Right now it is about 82 degrees at canopy level and I don't have a chiller ATM. I figure that the Rez is probably 10-15 degrees cooler just because of all the shade. Will post a pic later today or tomorrow. Nah, it will be tonight. See you all then
Ok, that is going to be a problem. 82F now, will be 100F+ with a 1K vs a 600W. Your reservoir might be slightly cooler than 82F, but 10-15F......very, very unlikely.
Unless you're setting the res on a very cold surface, ambient air temperature in the tent will cause the water temp to rise to near air temp.....within a few degrees. Temps maybe colder after res change, but will acclimate within a day or so.
You're ABSOLUTELY going to need a chiller and VERY LIKELY some form of air conditioning. Hate to be a negative Nancy, but you'll have 95F+ temps and 80F+ water temps without it......cooked, lanky plants w/root rot.....
Some time ago, I learned some of this the hard way........
Trust me, save your $ for those upgrades THEN the 1K or another set-up.........you'll thank me after doing so.........
Just got home about 45 minutes ago. Lights went out 35 minutes ago, and right now the tree temp is 69.8 F. So, maybe 71-72 degrees lights on. I will double check that tomorrow during lights on. How much warmer Willa 1k ballast make it? I figured 2-5 degrees, but I pulled that number out of my ass.
I have 2 fans blowing above the canopy and one small fan blowing under the canopy. And the screen is almost all the way full. So the Rez is under near complete shading.
O hell, let me switch computers and post the pics so u can see what I am talking about.
I have 2 fans blowing above the canopy and one small fan blowing under the canopy. And the screen is almost all the way full. So the Rez is under near complete shading.
O hell, let me switch computers and post the pics so u can see what I am talking about.
Ok, just checked the temp of the Rez. It is 71.6 degrees F. And the lights have been on now for about 7 hours, so I doubt it will get any warmer than that. The thermometer on top of the rez read the same. So air under the canopy is 72 degrees and the temp about 6" below the hood is 87 degrees. The girls atm are about 12" below the hood.
Well damn it Brotherindica! Why couldn't you make this work for me? I was counting on you. (I hope you can tell I'm just joking around!!!). Guess I will have to just use the600 in here for now. No $$ for a chiller right now, and I don't want the tops basking in 100+ temps. Guess I will sell my 1k ballast and maybe get another 600 for my 2x4 tent and use the 400 for mothers. Was hoping to avoid buying/selling a ballast, but I dont want to use the amps that the 1k ballast pulls vs a 600, and just turn the 1k down. Oh well.
On a more serious note, thanks to everyone, especially Brotherindica, because of your trials...I finally get to avoid the trial and error approach instead of being the guini pig.
Well damn it Brotherindica! Why couldn't you make this work for me? I was counting on you. (I hope you can tell I'm just joking around!!!). Guess I will have to just use the600 in here for now. No $$ for a chiller right now, and I don't want the tops basking in 100+ temps. Guess I will sell my 1k ballast and maybe get another 600 for my 2x4 tent and use the 400 for mothers. Was hoping to avoid buying/selling a ballast, but I dont want to use the amps that the 1k ballast pulls vs a 600, and just turn the 1k down. Oh well.
On a more serious note, thanks to everyone, especially Brotherindica, because of your trials...I finally get to avoid the trial and error approach instead of being the guini pig.
