2000 watts in a 5x5

JTDS2011

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what ive yet to hear in any reply is any co2 or quick way to supplementing that negative pressure but im looking for more info to make the buds bigger, might still throw in that disposable co2 pack in the tent and let it circulate hanging form the top of the tent into the wall fans... i got about 45 days left of flowering to go
 

WeedHopper

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The negative air pressure keeps stale air out and fresh air in. I always keep a fan circulating air around in my grow room which helps with humidity and makes the stalks stronger by moving the plants ever so slightly. Try and keep your Heat down and feed them ferts that are for blooming. Other then that you should be good. Never used CO2 so couldn't say. Shouldn't need CO2 unless you have a heat problem.
 

Bubba

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I don't use CO2, but my understanding is this. The only time it is really going to be of grand use is when one has strictly scienced out and created a strain that you can calculate or know what it's best nute requirements are. I don't mean a good idea of what nutes are good, but hard science concerning your particular plants Nute uptake, howuch and so forth.

This is important and relates to your PAR results, which will vary from light to light and also height, which will affect both center zone par, and the lights distribution in the corners and PAR measured there.

Typically, around 900 -1000 is max a plant can use. Beyond this, more light is a detriment and the plant will suffer.

Now, if you have the previously mentioned info, concerning maximum Nute uptake and other Nute specific info on the strain, you may be able to adjust the nutes to the maximum useful level, which will be dependant on the maximum amount of light.

Once you go past this maximum amount of light, the plant will want nutes sufficient to use this extra light. However, at some point the plant can not intake any more nutes, and increasing light will increase this problem.

Now, assuming you are capable of the previously mentioned knowledge of your strains nute requirements ( I am not, and I would guess the number of home hobby growers that possess this level of skill are extremely few and far between) then my understanding is, that you can go somewhat beyond this 900-1000 PAR by adding CO2 to the mix.

I don't know of any hobby growers that have this level of ability and knowledge.
Not saying there aren't any, but precious few

Bubba
 

ROSTERMAN

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I have used CO2 2times I never used it again.
Never noticed any great increase in yield .
 

JTDS2011

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So far so good today I’m at 60 days from the day I flipped so prob 45 days total I always minus 2 weeks just to be safe but my blue dream auto just chopped her down 5 days ago she had a bunch of red tip/cloudy colors in the buds with the scope and quick dries got my zooted… just wanted to do an update but temps don’t go past 90 most nights cuz I run them overnight instead of the daytime in the summer
 

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BigJer

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Hey everybody how’s it going? So I was running one 1000 watt ballast and grow up until flip time did 7 weeks of veg on my babies but now it’s the game changer so I’m four weeks going into flowering at the moment and I finally cranked up both Ballast to 100% had them at 75% at 1500 watts for the first four weeks. The buds are absorbing the light and making huge nugs and dence colas. I’m very pleased with how things are going I’ve never seen such dence nugs so early on in flowering. I have a full basement open area air movement is great no problems with heat no problems at all growing excellent right now just looking to see if others have done something in the ballpark of what I’m doing and is there any other additional tips or tricks anybody is using to get the buds Dencer and bigger. I hear hanging a small co2 pack in the tent will help but I have open full basement so will it help at all?
People will say run the CO2 all the time but the most important time and for the best benefit is during the switch from veg to flower for the first three weeks and plants can't absorb more than 1300 PPM so anything above that level is wasted. Made a big difference in quality and weight for me. 1300 PPM is not toxic to humans either. Just plastic off the area to not waste it.
 

ziggyross

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Hey everybody how’s it going? So I was running one 1000 watt ballast and grow up until flip time did 7 weeks of veg on my babies but now it’s the game changer so I’m four weeks going into flowering at the moment and I finally cranked up both Ballast to 100% had them at 75% at 1500 watts for the first four weeks. The buds are absorbing the light and making huge nugs and dence colas. I’m very pleased with how things are going I’ve never seen such dence nugs so early on in flowering. I have a full basement open area air movement is great no problems with heat no problems at all growing excellent right now just looking to see if others have done something in the ballpark of what I’m doing and is there any other additional tips or tricks anybody is using to get the buds Dencer and bigger. I hear hanging a small co2 pack in the tent will help but I have open full basement so will it help at all?
Man what's your electric bill run. I was running only 400 watts HID and the wife complained.
 

JTDS2011

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It was about 180$ with ac and one setup going went to about 250-280 with ac running and two setups going at full 100% power so not too bad
 

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