 
07-11-2008, 12:49 PM
| | Stranger Stranger | | Join Date: Mar 2008
Posts: 11
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I used this method and compared with a friend using the same setup minus the CO2 enrichment and I saw less nute defs in flowering...However, i didn't watch what he did so it could have been poor farming and also make sure u don't go too high on PPM. I spent a while figuring out exactly how much dry ice to let sublime and then I turned off the fan and let the temp rise to about 90 and then turned the fans back on and brought the temp back down. I think this system works well and is a viable alternative to propane or a regulator based system, especially for space restrictions and or sound issues!
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07-11-2008, 02:47 PM
|  | Stoner Mr. Ganja | | Join Date: Jul 2007 Location: South Fla
Posts: 1,011
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In my opinion its to costly for a small set up. I have buddies who have tried it and never got amazing results. Thier grow came out good but nothing breathtaking.
If you got the spare cash go for it. |
07-13-2008, 08:00 AM
|  | Learning How To Roll Learning How To Roll | | Join Date: Jul 2008
Posts: 39
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what about using sparkling water through a sprayer? Spray the plants every day lightly? Does CO2 help during veg? |
07-18-2008, 06:38 AM
|  | 420 TIME Stoner | | Join Date: Mar 2008 Location: california
Posts: 508
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i use dry ice on my flowering plants it is free from work i use it 1 or 2 times a week i notice visibly faster growth on days when its used. it also cools my grow not practical or cost effective but certainly works if available. |
09-08-2008, 02:03 PM
| | Stranger Stranger | | Join Date: Nov 2007
Posts: 2
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 Cant dry ice be used in a cabinet buy hanging in pantyhose over the plants? I have heard of this, but that was way old school . anyone heard of this? (also does it need to only be used during the light cycle) |
09-09-2008, 09:49 AM
| | 420 TIME Stoner | | Join Date: Mar 2008 Location: california
Posts: 508
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you can use dry ice any way you want it is relatively safe i wrap mine in plastic bags poke some holes and stick it in front of my fan in the grow 5 lbs lasts like 12 to 18 hours if you wrap it more thoroughly it lasts longer its all about how long you want it to last. i do this 2 0r 3 times a week and i shave 1 to 2 weeks off flowering time with any strain  |
09-09-2008, 10:39 AM
| | Learning How To Roll Learning How To Roll | | Join Date: May 2008
Posts: 37
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Don't know if I would go the dry ice route but from what I hear not to hard to find...I think even at wal mart. I have also heard something about Excellofizz pucks. Has anyone ever used them? From what I hear they would be a good enough to disperse enough CO2 to raise the ppm to 1000 in a 9m squared with one or two pucks all day and releases a eucalyptus fragrance.
* I have not used them just what I have read. Any information by someone that used them would be great. They are at fearlessgardener.com. |
09-09-2008, 11:03 AM
|  | Stoner Stoner | | Join Date: Jun 2008 Location: northern calif
Posts: 754
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Quote:
Originally Posted by realmeatdildo  In many of those B-grade horror movies there were graveyards swirling with a cascading mist round the tombstones, (kind of like my living room on any Friday/Saturday night, hey, that's me in the cape with the fangs). That gas was sometimes carbon dioxide. It is heavy and so it sits and builds up like a thick fog that's fallen, like condensation vapor sitting on top of cold, frozen ground. It can be made by putting chunks of frozen CO2, also known as dry ice, into H2O which causes it to melt and turn back into a gas.
Can anyone see a problem with possibly using it as a source of CO2 in a grow room/chamber? Its advantages are that as well as aiding the growth of a plant it might also act as a coolant and possibly aid in keeping down the temperatures in grow-rooms/chambers. I think you can buy dry ice at ice cream factories where they used to pack it around boxes of ice creams when they were driving them in unrefrigerated trucks to fair grounds and swimming pool kiosks in Summer, (at least they used to when I was a kid).
*WARNING*
Just a note of warning for those of you who don't know, dry ice 'burns' skin, so I'd suggest thick gloves and tongs when handling it, unless, of course, you want to join me in my living room as the creature with the incredibly unusual skin formation patterns, and I do need a sidekick as I've found that it's really hard to hammer in those last couple of nails yourself on your own coffin as the Sun creeps up toward the horizon. | The problem with using dry ice as a CO2 source is that it is quite expensive to achieve around 1,200-1,600 ppm daily. Another thing you would needs massive amounts and a constant supply source. You would also require a meter to measure and monitor the rate of CO2 production from dry ice.  |
09-09-2008, 03:09 PM
|  | Ganja Smoker Pot Head | | Join Date: Jun 2008 Location: In ur Momma's Bush
Posts: 338
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I can swirl it around in my mouth, don't swallow it
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09-09-2008, 08:43 PM
|  | Teaching How To Roll Mr. Ganja | | Join Date: Jul 2007
Posts: 1,338
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The best ways are to use co2 generators, or bottled gas in 20 pound or ideally 40 pound tanks. My 40 pound tank lasts 2 grows and cost is only $32 to refill, you can also rent the tank so there is no up front cost, $7 per month.Dry ice is about a $50 per day venture. do the math it doesn't take a rocket surgeon to figure it out.  | | Thread Tools | | | | Display Modes |  Linear Mode | 
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