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 GreenHorns
boulevardier
Registered: 01/10/13
Posts: 1,195
Loc: funkytown 
Last seen: 4 years, 7 months
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 grow tent too hot 
#672796 - 05/27/13 06:03 PM (11 years, 6 months ago) |
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So my new 1000w setup is keeping the tent around 100 degrees even with the 430cfm fan exhausting that heat through the hood. What the fuck? Do I seriously need an ac and a fan?
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wiggy wham wham wazzle
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SmokeSomeHash
Littlest pee pee on da block
Registered: 02/26/13
Posts: 1,555
Loc: murica
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Re: grow tent too hot [Re: GreenHorns]
#672797 - 05/27/13 06:11 PM (11 years, 6 months ago) |
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How big is your tent and what hood? And how are you venting?
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PoloDown
Stranger Danger
Registered: 07/13/12
Posts: 1,559
Last seen: 4 years, 1 month
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I'm guessing your fan isn't pulling enough air cause 465cfm seems low for a 1000w
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 Stoneth
D.I.L.L.I.G.A.F.
Registered: 10/06/08
Posts: 25,052
Loc: No where ville, USA
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Re: grow tent too hot (moved) [Re: GreenHorns]
#672814 - 05/27/13 08:39 PM (11 years, 6 months ago) |
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 This thread was moved from The Smoke Lounge.
Reason:
You'll have better luck finding an answer here.
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GreenHorns
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Re: grow tent too hot (moved) [Re: Stoneth]
#672920 - 05/28/13 09:15 PM (11 years, 6 months ago) |
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Thanks dude! I wasn't sure where this topic would do best. Its a 4X4X6.5 Grow labs. Hood is 6" and its a 430cfm can fan ducting through the hood (glass still in place) straight out into the room so air flow should be pretty solid. Is my tent just not cut out for the power?
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wiggy wham wham wazzle
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GreenHorns
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Re: grow tent too hot (moved) [Re: GreenHorns]
#672921 - 05/28/13 09:17 PM (11 years, 6 months ago) |
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*ducting straight out into the room the tent is in of course not convection heating the thing.
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wiggy wham wham wazzle
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Hawksresurrection
Registered: 12/04/08
Posts: 13,464
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Re: grow tent too hot (moved) [Re: GreenHorns] 1
#672924 - 05/28/13 09:37 PM (11 years, 6 months ago) |
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What the temp inside the room?
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Dude she isn't as young as she use to be.
-niteowl
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GreenHorns
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75 or so I never turn on my ac from ambient heat. Not yet at least.
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wiggy wham wham wazzle
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Hawksresurrection
Registered: 12/04/08
Posts: 13,464
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Re: grow tent too hot (moved) [Re: GreenHorns]
#672929 - 05/28/13 09:55 PM (11 years, 6 months ago) |
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hmm...Guess yer gonna have to get an ac 
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Dude she isn't as young as she use to be.
-niteowl
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GreenHorns
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Do certain bulb types or brands just produce more heat? With that small an area I might want a window ac and plumb it to the tent yeah? Or are there units small enough to not take up too much space?
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wiggy wham wham wazzle
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SmokeSomeHash
Littlest pee pee on da block
Registered: 02/26/13
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Loc: murica
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Re: grow tent too hot (moved) [Re: GreenHorns]
#672953 - 05/29/13 07:33 AM (11 years, 6 months ago) |
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Youre prolly gonna need an ac.
4x4x6.5 is a lil small for 1000w...id go with a 600 or get a bigger tent...or get an ac.
You could try those portable acs and duct it out a window or somethin? Sometimes theyre pricey though.
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night train
Registered: 04/21/08
Posts: 162
Loc: Midwest, US
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Re: grow tent too hot (moved) [Re: GreenHorns]
#672954 - 05/29/13 07:49 AM (11 years, 6 months ago) |
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Quote:
GreenHorns said:
ducting through the hood (glass still in place) straight out into the room /quote]
You need to vent that out a window or to another room or you are basically heating the room your tent is in with the warm exhaust coming from your tent.
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Mrshroom
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Re: grow tent too hot (moved) [Re: night train]
#672962 - 05/29/13 11:12 AM (11 years, 6 months ago) |
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hey im in the same boat as you dude, Im on my first grow and just put my plants into flowering room a couple weeks ago and I have two 1000 watt lights in it, but each light has its own 400cfm inline fan pulling air threw to cool. and I need a ac to help cool it down. Also when do your lights go on and off? I have my at night when its cooler.
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GreenHorns
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Re: grow tent too hot (moved) [Re: Mrshroom]
#673010 - 05/29/13 08:28 PM (11 years, 6 months ago) |
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Quote:
SmokeSomeHash said:
Youre prolly gonna need an ac.
4x4x6.5 is a lil small for 1000w...id go with a 600 or get a bigger tent...or get an ac.
yeah it was an impulse buy. This shop was selling all these 1000w kits for 180 cash. I had to. You think the heat would go down with a bigger area maybe only a few square feet? I'm low on space unless I want to turn my bedroom into a flower room. Which I'm not out ruling.
Quote:
night train said:
Quote:
GreenHorns said:
ducting through the hood (glass still in place) straight out into the room /quote]
You need to vent that out a window or to another room or you are basically heating the room your tent is in with the warm exhaust coming from your tent.
its a well ventilated room that has an open door and window and runs the same temp as the rest of the house. Its a bright ass bulb and can feel the heat on my arm like a sunburn.
Quote:
Mrshroom said:
hey im in the same boat as you dude, Im on my first grow and just put my plants into flowering room a couple weeks ago and I have two 1000 watt lights in it, but each light has its own 400cfm inline fan pulling air threw to cool. and I need a ac to help cool it down. Also when do your lights go on and off? I have my at night when its cooler.
yeah will be on a night schedule with them when this temp situation is addressed.
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wiggy wham wham wazzle
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Mrshroom
Stranger
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Re: grow tent too hot (moved) [Re: GreenHorns]
#673021 - 05/29/13 10:31 PM (11 years, 6 months ago) |
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is your ballast dimmable?
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SmokeSomeHash
Littlest pee pee on da block
Registered: 02/26/13
Posts: 1,555
Loc: murica
Last seen: 8 years, 10 months
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Re: grow tent too hot (moved) [Re: Mrshroom]
#673049 - 05/30/13 04:14 AM (11 years, 6 months ago) |
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I think if you get a bigger tent you need one that is taller. If you get a wider one a few feet prolly wont make a big difference. Maybe a 6x6 would work. I personally like those gorilla tents that go to 7'11" tall.
Unless you get some ac you dont have a lot of growing room. If you only have 6.5' of height, think about how tall your reflector is, and how tall the containers are. Measure the distance from the lens of the reflector to the top of your containers and youre gonna see that you only have about 4' of plant space.
If youre saying you feel it on your arm like a sunburn, just imagine when your plants get tall.
Maybe try ditching the tent and just doin it in an open room?
Or get a 600w. Thats a hella deal you got but you need cooling.
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GreenHorns
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Re: grow tent too hot (moved) [Re: SmokeSomeHash]
#673052 - 05/30/13 08:18 AM (11 years, 6 months ago) |
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No its not dimmable unfortunately. Yeah that is a huge concern for me. I think its just too much power for the space. Even an ac would only fix half the problems. Looks like that bedroom is for the plants now.
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wiggy wham wham wazzle
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PoloDown
Stranger Danger
Registered: 07/13/12
Posts: 1,559
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Re: grow tent too hot (moved) [Re: GreenHorns]
#673058 - 05/30/13 10:10 AM (11 years, 6 months ago) |
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nothing wrong with the whole room factor of it, itll give you plenty of space to work with and you can always downsize or upsize how many plants ur running
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GreenHorns
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Posts: 1,195
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Re: grow tent too hot (moved) [Re: PoloDown]
#673062 - 05/30/13 11:22 AM (11 years, 6 months ago) |
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Yeah I'm going to feed once more then flush then start flower just in the room. For now at least. Still amazed with the heat that thing makes. Even with the fan off the tent averages the same temp. Crazy.
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wiggy wham wham wazzle
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Canna-Bliss
The man in the back
Registered: 12/12/11
Posts: 27
Loc: San Diego, CA, USA
Last seen: 11 years, 6 months
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Re: grow tent too hot (moved) [Re: GreenHorns]
#673188 - 05/31/13 07:48 AM (11 years, 6 months ago) |
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I threw together a little greenhouse last weekend, and I'm not an expert by any means.... so what are your views on using the actual greenhouse effect to grow? I mean, the temp gets extreme, ranging from 110 - 185 F for ground temps, but the actual substrate range is about 75 - 90 F ... and the plants seem to thrive...
It's a pretty impressive display of temperature regulation on their part - if the measurements aren't fucked on my end of course.
Anywho, only my second grow without a co-op situation, so I'm still second guessing myself all the time. If this actual greenhouse approach is applicable for cannabis in a temperate zone 9, then I could dearly use any feedback.
It is approx. 6' wide, 6-7' high, and 10' deep.
Current residents:
Small as small gets, but beautiful none the less 
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"Do you hear of fear or... do I smash the mirror?"
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GreenHorns
boulevardier
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Posts: 1,195
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Re: grow tent too hot (moved) [Re: Canna-Bliss]
#673202 - 05/31/13 12:28 PM (11 years, 6 months ago) |
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To be honest I don't know much about greenhouse growing. When I first started I read everything in the indoor/outdoor bible except that part. It looks like you've for sure got the space down. I personally don't think they would not do too well with that high of heat. The ratio of gases(O2 CO2) may not be good for growth. But I'm just assuming.
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wiggy wham wham wazzle
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Hawksresurrection
Registered: 12/04/08
Posts: 13,464
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Re: grow tent too hot (moved) [Re: GreenHorns]
#673205 - 05/31/13 12:52 PM (11 years, 6 months ago) |
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i'm not an expert in greenhouses. I haven't grown in them personally. But all the people I see who use them, have just the top covered, and maybe down the side some. MJ loves a lot of fresh air.
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Dude she isn't as young as she use to be.
-niteowl
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Canna-Bliss
The man in the back
Registered: 12/12/11
Posts: 27
Loc: San Diego, CA, USA
Last seen: 11 years, 6 months
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Awesome feedback, thanks y'all. I cut out the top half of the back of it (about 5' x 6') from the roof down, so I could still keep a 3 - 4' wall with an open 'window' type thing.
I also grabbed some misting equipment that I ran around the entire 'roof-line' inside it, with flexible spickets (nozzles?), whatever they are, at about 2' apart. T-nozzle w/ a water filter and an auto-drain valve off the end. Should bring it down temperature wise, while allowing the plants to utilize more water, which in turn allows them to use more CO2... and thus grow and function better overall.
Did your friends who greenhoused (new verb lol) have success in the end?
Thanks a ton for the solid feedback so quick... helps with the stress.
...by the way, I'm only into this whole structure about 40 - 50 bucks... so it may have validity... *keeps the faith*
Oh yeah, I'll use pics when I can, it's essential for getting more direct answers.
Thanks again.
~ Canna-Bliss The Cat ~
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"Do you hear of fear or... do I smash the mirror?"
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Hawksresurrection
Registered: 12/04/08
Posts: 13,464
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Re: grow tent too hot (moved) [Re: Canna-Bliss]
#673225 - 05/31/13 04:39 PM (11 years, 6 months ago) |
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Why the spray system? You don't really want to be misting your plants. The whole point of having them covered is so that they don't get rained on, but you are intentionally making it rain so to speak.
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Dude she isn't as young as she use to be.
-niteowl
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Canna-Bliss
The man in the back
Registered: 12/12/11
Posts: 27
Loc: San Diego, CA, USA
Last seen: 11 years, 6 months
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Re: grow tent too hot (moved) [Re: Canna-Bliss]
#673310 - 06/01/13 11:04 AM (11 years, 6 months ago) |
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...greenhouses are designed to capture energy normally lost into the atmosphere by allowing light energy in, but trapping radiant heat energy into the structure. Greenhouses almost universally have misting systems to provide as much or as little water as needed. They give growers far more control of the environment and allow myriad different modifications to be made to said environment.
That's why the current global warming is characterized by accumulation of greenhouse gas in the atmosphere...
By the way, this is San Diego man, there isn't any rain.
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"Do you hear of fear or... do I smash the mirror?"
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GreenHorns
boulevardier
Registered: 01/10/13
Posts: 1,195
Loc: funkytown
Last seen: 4 years, 7 months
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Quote:
hawksapprentice said:
Why the spray system? You don't really want to be misting your plants. The whole point of having them covered is so that they don't get rained on, but you are intentionally making it rain so to speak.
I thought it was beneficial to foliar feed a couple times during veg and give them a rinse to keep the pores clean of nute buildup every now and again. Have I been hearing ass talk?
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wiggy wham wham wazzle
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GreenHorns
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Re: grow tent too hot (moved) [Re: GreenHorns]
#673363 - 06/01/13 08:49 PM (11 years, 6 months ago) |
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Crap my tent is up to 88*f even after ducting the light outside and reducing the tent to a rack with reflective backing on 2 sides. And raised the light. I'm buying an a/c for this bastard.
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wiggy wham wham wazzle
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Hawksresurrection
Registered: 12/04/08
Posts: 13,464
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Re: grow tent too hot (moved) [Re: GreenHorns]
#673411 - 06/02/13 12:43 PM (11 years, 6 months ago) |
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There is absolutely NO need to foliar feed.
Bummer about the tent man.
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Dude she isn't as young as she use to be.
-niteowl
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GreenHorns
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Hmm I'll lay off it for a while and see what happens. I have a window ac in there now so keeping it right should be no problem till the electric bill comes. When I figure out who supplies internet out here I'll upload some pics and get the grow journal with the 1000w light going. I have the feeling these plants will yield their balls off.
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wiggy wham wham wazzle
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Canna-Bliss
The man in the back
Registered: 12/12/11
Posts: 27
Loc: San Diego, CA, USA
Last seen: 11 years, 6 months
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Re: grow tent too hot (moved) [Re: GreenHorns]
#673691 - 06/06/13 04:26 AM (11 years, 6 months ago) |
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I think there was a misunderstanding or something... I don't know anything about foliar feeding.... the plants needed mist to A) cool the air, and B) allow for more stable photosynthesis...
I think the climate here is not very normal, and the hot and dry conditions require intervention. This greenhouse is kicking ass for me right now... the environment simulates the dank, tropical climate it is happiest in.
I'm planning on one little 'veggie-state' plant to be a mum for me. I will have pictures to update any success...
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"Do you hear of fear or... do I smash the mirror?"
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Hawksresurrection
Registered: 12/04/08
Posts: 13,464
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Re: grow tent too hot (moved) [Re: Canna-Bliss]
#673694 - 06/06/13 05:37 AM (11 years, 6 months ago) |
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Well let's just hold on there. You think all marijuana evolved in jungles? That's simply not true.
The most humidity you need would be 30 percent.
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Dude she isn't as young as she use to be.
-niteowl
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SmokeSomeHash
Littlest pee pee on da block
Registered: 02/26/13
Posts: 1,555
Loc: murica
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Im pretty sure in veg it wont be a big deal but in flower it could be a problem. I could understand a few strains not minding high RH...maybe some mold resistant varieties or somethin...but misting all your plants during flowering seems like asking for mold.
Ive foliar fed during veg before...some products help, but in my experience the benefit isnt worth the cost. I cant even think of foliar spraying during flower...that just doesnt seem right to me.
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GreenHorns
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Re: grow tent too hot (moved) [Re: SmokeSomeHash]
#673780 - 06/06/13 07:47 PM (11 years, 6 months ago) |
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Of course not. I've only done foliar feeding in the mature veg stage. When its in a 3 gallon pot. I haven't seen anything adverse from it but again I've also never not done it. I am curious what change I'll see by holding back on spraying.
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wiggy wham wham wazzle
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GreenHorns
boulevardier
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Re: grow tent too hot (moved) [Re: GreenHorns]
#673781 - 06/06/13 07:50 PM (11 years, 6 months ago) |
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And also tent is stable and plants are thriving. Day 1 flower is Sunday.
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wiggy wham wham wazzle
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Canna-Bliss
The man in the back
Registered: 12/12/11
Posts: 27
Loc: San Diego, CA, USA
Last seen: 11 years, 6 months
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Quote:
hawksapprentice said:
Well let's just hold on there. You think all marijuana evolved in jungles? That's simply not true.
The most humidity you need would be 30 percent.
Dude... stop with bizarre conjecture. I never said anything like that... my strain thrives in humid, warm jungle.
Also, how can you first make a statement about the varied climate conditions that pot experienced in it's evolution.... and then tell me exactly how much humidity my (unknown to you) strain requires.
Stop responding so impulsively, it makes you seem kinda full of shit honestly...
Try contributing more and detracting less.... out of almost 9,000 posts, I can only wonder how many hair-brained responses these poor people have had to sift thru....
P.S. By the way, "The most humidity you need would be 30 percent" is probably suitable for you, but is dead wrong depending on the stage of the plant, it's strain, and the local climate - which you obviously didn't even factor into your "one size fits all" generalization.
Thanks for the (bad) help, it re-affirmed my instinct as my guide.
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"Do you hear of fear or... do I smash the mirror?"
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SmokeSomeHash
Littlest pee pee on da block
Registered: 02/26/13
Posts: 1,555
Loc: murica
Last seen: 8 years, 10 months
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Re: grow tent too hot (moved) [Re: Canna-Bliss]
#673867 - 06/08/13 06:07 AM (11 years, 6 months ago) |
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Damnnnnnnnnnnnnnnn
Look what you did now hawk
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Canna-Bliss
The man in the back
Registered: 12/12/11
Posts: 27
Loc: San Diego, CA, USA
Last seen: 11 years, 6 months
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Quote:
hawksapprentice said:
Why the spray system? You don't really want to be misting your plants. The whole point of having them covered is so that they don't get rained on, but you are intentionally making it rain so to speak.
Hawk, do you mind if I quote this in the future... it's such a perfect example of you not knowing how to help people, but you are still compelled to feed whatever crap you think you know as fact.
You have made it quite clear that you simply shouldn't be posting in the outdoor/greenhouse cultivation section. Your advice would have killed my plants.....
You want me to put up or shut up.....
Sorry, but incredibly difficult work and studies do not allow for constant posts about how "I may not know what I'm talking about.... but I have to validate my existence..."
What's your education (formal or otherwise), what do you do for a living that makes a difference to the community as a whole, and how can you say that spending ALL your time on these boards is truly that helpful.... I mean, you just end up saying "that was my point, I don't know shit, and I have plenty of nothing to say."
I never do this crap, but I have a feeling you are the troll... think about it... 10,000 posts, all requiring further edification, and you have no job or education beyond the 7th grade.
Don't just call me an asshole and assume that because I call your bluff, I'm the bad guy.
If you have the brains that you think you have, then how about we delve into neuropharmacology, chemistry, and physics.... because that's what it all comes down to in the end.
P.S. Sorry for my scant posting... but I have a tremendous amount of job satisfaction, and I don't think there's a single category you know more than I. I'm setting aside 10 minutes to do this, because I know you are a fraud.
Put up or shut up.
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"Do you hear of fear or... do I smash the mirror?"
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Hawksresurrection
Registered: 12/04/08
Posts: 13,464
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Re: grow tent too hot (moved) [Re: Canna-Bliss]
#676327 - 06/27/13 05:10 AM (11 years, 6 months ago) |
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I love how you came back 20 days later and started berating me for shit that was said a few posts ago.
But let's get this out of the way. My advice in all likely hood would not have killed your plants. Even clones don't really need much more than 30% humidity. Hence a lot of people not even using domes anymore. So regardless of the stage your plant is in, 30% would work for all strains of marijuana out there.
Now some strains do tolerate different conditions differently. I have some that can thrive very well in 90 degree weather, some not so much. But I have yet to see a single strain of marijuana that doesn't flourish at 30% humidity. And I've been doing this for a minute or two.
And why attack me on what I do for a living? That has absolutely NOTHING to do with anything on these boards. But if you must know I've done a number of things through my life. The majority of which has been in the veterinary field. I've logged thousands of hours in volunteer work with wildlife rehab programs, and dedicated well over a decade of my life to helping animals. Is that good enough for you? What are YOU doing that is so important?
I never tried to claim that I know more than you. It seems like you are being very defensive, especially since I hadn't said anything in a while and you just keep going on. Is there maybe something else that's bothering you man? And you just feel the need to take it out on me? If so that's cool. I could really care less about how you feel about me.
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Dude she isn't as young as she use to be.
-niteowl
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SmokeSomeHash
Littlest pee pee on da block
Registered: 02/26/13
Posts: 1,555
Loc: murica
Last seen: 8 years, 10 months
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You know some mods over on the shroomery ban for pleasure
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Hawksresurrection
Registered: 12/04/08
Posts: 13,464
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Re: grow tent too hot (moved) [Re: SmokeSomeHash]
#676361 - 06/27/13 11:57 AM (11 years, 6 months ago) |
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Lol, Yeah, well I'm not going to ban someone for giving me their opinion. But I'm done with this now. It's not going to go anywhere useful.
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Dude she isn't as young as she use to be.
-niteowl
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