P
Puscifer
What size grow are we talking here?
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How do you provide fresh air for plants in an air conditioned room?
- Thread starter hush
- Start date
http://www.planetnatural.com/product/exhale-co2-bags/?gclid=COWi9-TYpbcCFUQ6Qgoduy8AdQ
This has a lot lower initial outlay. By all reports I've seen, they do the job. I used to use CO2 Boost and it did a pretty good job of it.
But what makes you think you'd have to make multiple trips for CO2 with a 10#? What size room do you have? Properly dispensed, with 1 Kw, I think you could easily go 1 month.
http://www.hydrofarm.com/resources/co2calc.php
There are 8.7 cu ft in a pound of CO2. Good luck. -granger
With above calculator-8x8x8 room, 1000 ppm running for 30 min at lites on, at hour 4, hour 7, hour 10- 10 lb would last 60 days., and keep lites on levels between 400 and 1000 ppm during 12/12.
This has a lot lower initial outlay. By all reports I've seen, they do the job. I used to use CO2 Boost and it did a pretty good job of it.
But what makes you think you'd have to make multiple trips for CO2 with a 10#? What size room do you have? Properly dispensed, with 1 Kw, I think you could easily go 1 month.
http://www.hydrofarm.com/resources/co2calc.php
There are 8.7 cu ft in a pound of CO2. Good luck. -granger
With above calculator-8x8x8 room, 1000 ppm running for 30 min at lites on, at hour 4, hour 7, hour 10- 10 lb would last 60 days., and keep lites on levels between 400 and 1000 ppm during 12/12.
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but are your temps in the 80S/90s? i thought that what what allowed the higher temps was the presents of more (1000-1200ppms) CO2. sumpin about boosting the plants metabolism and i'm not implying that what youre doing isnt working, 3rdC. KISS is the best way to go.. if ya can.
and more light.
but are your temps in the 80S/90s? i thought that what what allowed the higher temps was the presents of more (1000-1200ppms) CO2. sumpin about boosting the plants metabolism and i'm not implying that what youre doing isnt working, 3rdC. KISS is the best way to go.. if ya can.
As I said, my setup is not ideal. I will be getting a co2 LP burner and monitor to keep levels at 1200 lights on.
Just pointing out that co2 doesn't have to be all or nothing. Lots of middle ground to work.
As for the temps, idk, Adrift seems to prefer high 70's after trying both 80's and 70's and no one is questioning his grow skills or knowledge.
That's right, I actually didn't even think about that... I don't have to overdrive my plants... I can just provide them with the equivalent of atmospheric ppm of CO2. You are smart, my friend!
So, I'm a big dumbass but it turns out that is actually the size of the tank I have! I thought it was a 10 lb tank, but I forgot I sold that along with a small aquarium a few years ago. So yeah, the one I have now is a 20 lb tank, and knowing how long it lasts you in your sized garden, makes me feel a whole lot better about running gas in my small room. Also, let me ask you this, I don't see any CO2 line running from the regulator and going towards a fan or anything for dispersal. Am I correct about this? So, do you just let the circulation in the room take care of this?
Also, about the permanest trays, I'm glad to have helped out there.
I sure was glad to have found them. I now have a flood tray setup out of one of them, and the others are just being used as normal 1020 trays out on my front porch. They really are the shit!Thanks man. That is very helpful info there. Let me make sure I understand what you are doing here, because it actually sounds very similar to something I was thinking of doing... essentially, your cold air coming from the A/C could be thought of (for lack of a better phrase) as a "drain to waste" A/C, lol, right? I thought of doing something like that. I feel like it would be wasteful, but at the same time, effective, and the ends would justify the means. Also, you have given me something to think about with using dual 400s in a 4x4 tent. I guess I should probably talk about the size room I'm working with and what I wish to do with it, right?
Exactly.
So, this is a roughly 5x8 room (useable floor space) that I wish to put either a 4x4 or 5x5 tent in. I honestly only have one goal, and that is to produce about 2-3 lbs a year. That's the amount that my wife and I consume per year, with a little surplus factored in. We currently do the cannabis equivalent of "living paycheck to paycheck" and it would be nice, now, to start having a little surplus and not be so worried about running out of medicine all the time.Thank you. That's a helpful calculator there! Yeah, I'm a dummy and way overestimated things. I honestly didnt realize a tank would last as long as it does, and especially since I'm only working in a 5x8 room that could go fairly far. Also, I was wrong, I have a 20 lb tank, so that should double things for my calculations!
So many great replies in here. I'm finally figuring out what to do here! So, in all honesty, I think I'm leaning toward sealing it and supplying CO2 now. I love all that helpful info Lou gave me up there, but I really don't know if that would work for me since I don't have a basement with cool air that I can always draw from. My A/C has to be the primary cooling device.
What I think I'm going to do now (and please, if anyone sees anything wrong with this plan, please, speak up!) is use a 5000 btu window banger in the window, and a 4x4 tent in the room, lit by a 1000w (or should I use a 600w?). The tent will have negative pressure and all air will be scrubbed on its way out of the tent, where it will be dumped right out into the room where the A/C is circulating. Am I correct in understanding that this room will actually now be a lung room for the tent? So I will inject CO2 into this room as well, knowing that all the air that exists in this room eventually gets cycled through the tent.
I will still have my small gardens inside the house, to keep genetics, and do my "just for fun" bonsai gardening, but this room would be my main grow. I would veg and bloom in this one tent.
How does that sound?
That's right, I actually didn't even think about that... I don't have to overdrive my plants... I can just provide them with the equivalent of atmospheric ppm of CO2. You are smart, my friend!
So, I'm a big dumbass but it turns out that is actually the size of the tank I have! I thought it was a 10 lb tank, but I forgot I sold that along with a small aquarium a few years ago. So yeah, the one I have now is a 20 lb tank, and knowing how long it lasts you in your sized garden, makes me feel a whole lot better about running gas in my small room. Also, let me ask you this, I don't see any CO2 line running from the regulator and going towards a fan or anything for dispersal. Am I correct about this? So, do you just let the circulation in the room take care of this?
Also, about the permanest trays, I'm glad to have helped out there.
What I think I'm going to do now (and please, if anyone sees anything wrong with this plan, please, speak up!) is use a 5000 btu window banger in the window, and a 4x4 tent in the room, lit by a 1000w (or should I use a 600w?). The tent will have negative pressure and all air will be scrubbed on its way out of the tent, where it will be dumped right out into the room where the A/C is circulating. Am I correct in understanding that this room will actually now be a lung room for the tent? So I will inject CO2 into this room as well, knowing that all the air that exists in this room eventually gets cycled through the tent.
I will still have my small gardens inside the house, to keep genetics, and do my "just for fun" bonsai gardening, but this room would be my main grow. I would veg and bloom in this one tent.
How does that sound?
Sounds like you are well on your way toward self sufficiency.
As far as dispersal of my co2, yeah I just let the fans take care of that. Shit is sealed tight so the gas isn't going anywhere too quick.
I think about getting the micro drilled tubing for 20 bucks but I'm also thinking about getting a Sante Fe dehumidifier so I'm not in spending mode at the moment.
Yep, love love love the Permanest 1020's. I got them shortly after your thread about them. Actually found them for 8 a piece locally. Had to go with the seafoam green though.
LeeROI
Member
This would seem a good place for LED. Expensive investment but a pair of Lumigrow ES330 would be great in that tent. The ES series has been superceded by the "Pro" line (and I haven't seen any cannabis feedback on those yet).
Growershouse says a single Pro 325 is ideal for a DR120 (4x4) but that seems absurd to me, footprint wise.
PS: I have the original DR120 but haven't used it, partly because I'm worried about the load it can (or can't) support.
Growershouse says a single Pro 325 is ideal for a DR120 (4x4) but that seems absurd to me, footprint wise.
PS: I have the original DR120 but haven't used it, partly because I'm worried about the load it can (or can't) support.
Outside fresh air CO2 is only around 400 ppms . so if your just looking to add enough to maintain a fresh air scenario .... 3rds idea is ideal . although CO2 is slightly heavier than air ... so it should be dispersed above the plants & let fall on to them.
Well, I've been monitoring the temperature and humidity in the room for over 48 hours now, and I can safely say that the temperature in there, with windows and door completely closed off from the outside world, never got above 89 degrees! That's not bad at all, considering the temperature outside easily registers in the upper 90s. It's all because of the concrete block, and the complete tree coverage overhead, I'm sure.
I should also state, here, for the record, that the water heater is located in this room, so I think that's promising! Now, my question is, knowing that it doesn't get all that hot in there, is it safe to go with a 5000 btu window banger? Along with a 1000w HPS?
I should also state, here, for the record, that the water heater is located in this room, so I think that's promising! Now, my question is, knowing that it doesn't get all that hot in there, is it safe to go with a 5000 btu window banger? Along with a 1000w HPS?
is there a light on in there now? if not, put a simple 100w bulb on in there and monitor.
Well, I did have 72 watts of shop light fluorescents on the whole time, which I forgot to mention, but I didn't think that was the important part... I was just trying to see how insulated the room was and how hot it got during the hottest part of the day. At this point I'm ready to get the window banger installed!
L
LouDog420
I'd say that 5000 btu would have trouble keeping the room cooled (~75) without the 1K and just the 89 degree temps... But have also never used a 5000 window banger so hopefully someone else will chime in....
Add a 1K on top of an 89 deg room, and I can't imagine that small window unit keeping up... Hopefully I'm wrong though!
Add a 1K on top of an 89 deg room, and I can't imagine that small window unit keeping up... Hopefully I'm wrong though!
just as food for thought... i once had a flower room that had no co2 but it was so cold out that if i used the exhaust fans it dropped the room from 70ish to 50 or below... so i shut off the exhaust fans... no co2... fairly sealed up room.. and the plants did fine..
ive also had to do this in veg rooms quite a bit (no air exchange)...
seems like scientifically it shouldnt work but for some reason it has always worked out fairly well..
if you cant afford co2 try it without for a bit.. u mayb suprised with how well it works out..
also.. u could set up an exhaust fan to dump all the air in the room 3x a day or something.. keep the ac from working to hard and provide some fresh c02 enriched air..
there are ideal ways to run a grow room and then there are things done out of neccesity..
adapt improvise and overcome..
ive also had to do this in veg rooms quite a bit (no air exchange)...
seems like scientifically it shouldnt work but for some reason it has always worked out fairly well..
if you cant afford co2 try it without for a bit.. u mayb suprised with how well it works out..
also.. u could set up an exhaust fan to dump all the air in the room 3x a day or something.. keep the ac from working to hard and provide some fresh c02 enriched air..
there are ideal ways to run a grow room and then there are things done out of neccesity..
adapt improvise and overcome..
I always read that you want about 5000 btu's per 1000w of light? Is that not correct? I guess I could go with a 9000 btu... But I've heard that when an A/C is bigger than is needed, it short cycles, which prevents the dehumidifying capabilities from working. Is that true?
As I said, my setup is not ideal. I will be getting a co2 LP burner and monitor to keep levels at 1200 lights on.
Just pointing out that co2 doesn't have to be all or nothing. Lots of middle ground to work.
As for the temps, idk, Adrift seems to prefer high 70's after trying both 80's and 70's and no one is questioning his grow skills or knowledge.
I question no ones ability... maybe sometimes not understanding a different (than mine) process.. always room for my improvement..
