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 araucaria
Registered: 04/21/08
Posts: 161
Loc: Oregon
Last seen: 15 years, 14 days
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 Re: Cheap CO2  [Re: Sirius]
#5415 - 04/21/08 04:06 PM (16 years, 7 months ago) |
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because teh plants need O2 during the dark cycle
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Kids are always honest
Cause they don't think their ever gonna die
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 niteowl
GrandPaw
Registered: 04/20/08
Posts: 4,781
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Re: Cheap CO2 [Re: Sirius]
#5426 - 04/21/08 04:17 PM (16 years, 7 months ago) |
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Quote:
Sirius said:
Quote:
niteowl said:
What I did last time I tried to grow, was just put a big glass of warm sugar water, near my plants, and added a half of a package of yeast and stirred.
How many plants did you have? 
4
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The Ego is a pathological conditionlike a calcareous tumor or cystthat begins growing in the personalityin the absence of hallucinogenic substances-Terence McKenna-
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niteowl
GrandPaw
Registered: 04/20/08
Posts: 4,781
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Re: Cheap CO2 [Re: araucaria]
#5439 - 04/21/08 04:26 PM (16 years, 7 months ago) |
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Quote:
araucaria said:
make sure you stop the CO2 production in the dark cycle
What if you're giving them light 24/7?
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The Ego is a pathological conditionlike a calcareous tumor or cystthat begins growing in the personalityin the absence of hallucinogenic substances-Terence McKenna-
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araucaria
Registered: 04/21/08
Posts: 161
Loc: Oregon
Last seen: 15 years, 14 days
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Re: Cheap CO2 [Re: Sirius]
#5465 - 04/21/08 04:37 PM (16 years, 7 months ago) |
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i would think it's OK. IMO it's best to give them a dark cycle though (rest, root development etc) i don't think that plants can use up all the CO2 24/7
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Kids are always honest
Cause they don't think their ever gonna die
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Sirius
Saturn Ascends
Registered: 04/20/08
Posts: 1,540
Loc: The Milky Way
Last seen: 8 years, 7 months
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Re: Cheap CO2 [Re: araucaria]
#5504 - 04/21/08 04:50 PM (16 years, 7 months ago) |
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Erb posted something that seems to debunk the dark cycle during vegetative growth for rest and whatnot. Here's the thread:
http://www.growery.org/forums/showflat.php/Cat/0/Number/4843/an/0/page/0
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araucaria
Registered: 04/21/08
Posts: 161
Loc: Oregon
Last seen: 15 years, 14 days
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Re: Cheap CO2 [Re: Sirius]
#5542 - 04/21/08 05:04 PM (16 years, 7 months ago) |
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Quote:
C3 plants(cannabis/veggies) gather CO2 only during the light period when they are photosynthesizing. During the dark period these plants only use oxygen for their metabolic life processes. They don't uptake CO2 , nor do they use it. As soon and as long as the light is on, C3 plants gather and use CO2 for photosynthesis.
C3 plants also have the ability to use higher concentrations of CO2 than what is found in the air. If the light is bright enough and the plants have sufficient nutes, their growth rate will accelerate from it(2000ppm vs. 400ppm of CO2), which increases yield. They can do this continuously, without a dark period throughout the vegetative stage.
from the thread mentioned above
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Kids are always honest
Cause they don't think their ever gonna die
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fondacox
Registered: 04/20/08
Posts: 144
Last seen: 15 years, 5 months
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Re: Cheap CO2 [Re: erb]
#5845 - 04/21/08 06:54 PM (16 years, 7 months ago) |
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Quote:
erb said:
This is a nice product if your looking for some CO2 enrichment.
www.co2boost.com
Wow, those look like grow bags (mushroom kind) in the video. I wonder what it is?
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Yrat
Happy Planting
Registered: 04/20/08
Posts: 886
Last seen: 10 years, 9 months
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Re: Cheap CO2 [Re: fondacox]
#8117 - 04/22/08 06:38 AM (16 years, 7 months ago) |
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The "dark cycle" is kind of a misleading name. It doesn't take place solely in the dark, but rather it doesn't need light to occur. Photosynthesis on the other hand, obviously needs light. The construction of carbohydrates (the dark cycle) happens continuously, even in the light during photosynthesis.
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 "Prohibition will work great injury to the cause of temperance. It is a species of intemperance within itself, for it goes beyond the bounds of reason in that it attempts to control a man's appetite by legislation, and makes a crime out of things that are not crimes. A Prohibition law strikes a blow at the very principles upon which our government was founded." - Abraham Lincoln
"There are a thousand hacking at the branches of evil
to one who is striking at the root"
~ Henry D. Thoreau
Strike The Root
Edited by Yrat (04/22/08 10:53 AM)
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Hanky
Fat Ladies Bingo
Registered: 04/21/08
Posts: 2,397
Loc: Ass Flavour Pie Factory
Last seen: 15 years, 5 months
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Re: Cheap CO2 [Re: Sirius]
#8172 - 04/22/08 07:37 AM (16 years, 7 months ago) |
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Quote:
Sirius said:
Erb posted something that seems to debunk the dark cycle during vegetative growth for rest and whatnot. Here's the thread:
http://www.growery.org/forums/showflat.php/Cat/0/Number/4843/an/0/page/0
My plants never see darkness until they are flowered, darkness during veg is a waste of time.
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Coaster Said: "wut do u post bout flumbooyon"
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Sirius
Saturn Ascends
Registered: 04/20/08
Posts: 1,540
Loc: The Milky Way
Last seen: 8 years, 7 months
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Re: Cheap CO2 [Re: Hanky]
#8176 - 04/22/08 07:41 AM (16 years, 7 months ago) |
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Would you suggest stopping CO2 production like someone did above? My friend is definitely keeping the light on 24/7 during veg. 
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royer9864
Registered: 04/21/08
Posts: 89
Last seen: 5 years, 8 months
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Re: Cheap CO2 [Re: Hanky]
#8184 - 04/22/08 07:50 AM (16 years, 7 months ago) |
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i have grown both ways and dont really see a huge difference, the last time i grew i kept the light on 24 hrs a day for veg because i have found that the bulb dies/blows quicker when it is turning off and on more.
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Hanky
Fat Ladies Bingo
Registered: 04/21/08
Posts: 2,397
Loc: Ass Flavour Pie Factory
Last seen: 15 years, 5 months
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Re: Cheap CO2 [Re: royer9864]
#8187 - 04/22/08 07:55 AM (16 years, 7 months ago) |
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Quote:
royer9864 said:
i have found that the bulb dies/blows quicker when it is turning off and on more.
Timers also are a factor as they burn out over time. plants in veg don't need a dark period from what I've observed so why bother with it...
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Coaster Said: "wut do u post bout flumbooyon"
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royer9864
Registered: 04/21/08
Posts: 89
Last seen: 5 years, 8 months
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Re: Cheap CO2 [Re: Hanky]
#8188 - 04/22/08 07:57 AM (16 years, 7 months ago) |
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yep those are my thoughts also
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Hanky
Fat Ladies Bingo
Registered: 04/21/08
Posts: 2,397
Loc: Ass Flavour Pie Factory
Last seen: 15 years, 5 months
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Re: Cheap CO2 [Re: royer9864]
#8189 - 04/22/08 08:04 AM (16 years, 7 months ago) |
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One thing I have noticed through a timer setting error is that plants veged on 24/0 will happily flower when reduced to 13.5/10.5 I think they'd flower on 14/10 and possibly even higher light periods. I changed my timer to 12/12 after discovering the error three weeks in but I'm tempted to run a whole flower cycle on 14/10 to see what happens. The possibility for increased yield is there to be explored.
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Coaster Said: "wut do u post bout flumbooyon"
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Sirius
Saturn Ascends
Registered: 04/20/08
Posts: 1,540
Loc: The Milky Way
Last seen: 8 years, 7 months
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Re: Cheap CO2 [Re: Hanky]
#8321 - 04/22/08 10:56 AM (16 years, 7 months ago) |
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Quote:
Hanky said:
The possibility for increased yield is there to be explored.
Keep us posted. Is there the possibility that it will take longer to finish?
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