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Offlineturtlesonturtles
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How many monotubs can I put in my grow room before CO2-levels become too high
    #27115383 - 12/30/20 03:06 AM (3 years, 1 month ago)

Eyyyywaditdo

So I live in a 6250 cubic feet appartment (177m3). Inside my appartment I have a 618 cubic feet (17,5m3) spare bedroom that I plan to use as a grow room (room where I keep my monotubs). My question is: How many monotubs can I have colonizing/fruting in there at the same time before CO2-levels become too high (which I understand to be 6000ppm) and I need to install some sort of ventilaton-system? Since the room is obviously not air-tight, there is some ventilaton by «default».

An option could perhaps be to leave the door open most of the time? Could the monos make the CO2-level in my appartment «overall» become dangerous/unhealthy, or would that require ridiculous amounts of monos?

Thanks!!!


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Offlinehazyhorse
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Re: How many monotubs can I put in my grow room before CO2-levels become too high [Re: turtlesonturtles]
    #27115410 - 12/30/20 04:10 AM (3 years, 1 month ago)

i mean how many are you planning on growing... i doubt even 10+ would really be “dangerous” but maybe someone knows something i don’t


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OfflineFungusFreedom
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Re: How many monotubs can I put in my grow room before CO2-levels become too high [Re: hazyhorse]
    #27115423 - 12/30/20 04:32 AM (3 years, 1 month ago)

Even if it gets over 600ppm I doubt it would be an issue unless you slept there or something. I have spent hours in grow rooms at 1000ppm and not noticed any ill effects.


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InvisiblebodhisattaMDiscordReddit
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Re: How many monotubs can I put in my grow room before CO2-levels become too high [Re: FungusFreedom]
    #27115424 - 12/30/20 04:39 AM (3 years, 1 month ago)

One human releases more co2 in one breath than a tub would make all day.

And you can fit a lot of people in a room during a party


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OfflineProfessor X
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Re: How many monotubs can I put in my grow room before CO2-levels become too high [Re: bodhisatta]
    #27115474 - 12/30/20 05:44 AM (3 years, 1 month ago)

I have 23+ tubs totalling 50+ quarts and 60+ quart jars going at all times between 3 closets in a 400ish sq ft bedroom me and my wife share with 5 pet rats a dog and a tarantula and no one is gasping for air or anything along those lines if that's what you are asking.


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Offlinebw86
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Re: How many monotubs can I put in my grow room before CO2-levels become too high [Re: Professor X]
    #27115494 - 12/30/20 06:06 AM (3 years, 1 month ago)

At this moment I have 6 tubs in a closed 40 cubic foot tent with a C02 monitor.
My average ppms went from around 350 to 450
Thats basically nothing, its within a normal fluctuation of regular breathing air.

If your worried about C02 build up buy a plant or two :shrug:


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Offlineturtlesonturtles
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Re: How many monotubs can I put in my grow room before CO2-levels become too high [Re: bw86]
    #27115570 - 12/30/20 07:11 AM (3 years, 1 month ago)

Quote:

bw86 said:
At this moment I have 6 tubs in a closed 40 cubic foot tent with a C02 monitor.
My average ppms went from around 350 to 450
Thats basically nothing, its within a normal fluctuation of regular breathing air.

If your worried about C02 build up buy a plant or two :shrug:




Thanks for the reply! If the tent is closed, and the tubs consume O2 to make CO2, how come the CO2 levels don’t just rise and rise? Next question: Aren’t house plants the main source of contams?


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Offlineturtlesonturtles
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Re: How many monotubs can I put in my grow room before CO2-levels become too high [Re: turtlesonturtles]
    #27115572 - 12/30/20 07:12 AM (3 years, 1 month ago)

I found this from @fightingcherries in the «100 monotub grow»-thread:

«Yes, I took readings in a room with 50 tubs, 10 x 10 room, and it gets over 2500 ppm when the door is not opened, in just 12 hours.  The rest of the house is are 500-700, and outside was 400 roughly.«


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Offlinebw86
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Re: How many monotubs can I put in my grow room before CO2-levels become too high [Re: turtlesonturtles] * 1
    #27115638 - 12/30/20 07:41 AM (3 years, 1 month ago)

No. Dirty spawn is the main cause of contaminations.


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InvisiblebodhisattaMDiscordReddit
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Re: How many monotubs can I put in my grow room before CO2-levels become too high [Re: turtlesonturtles]
    #27115694 - 12/30/20 08:18 AM (3 years, 1 month ago)

Quote:

turtlesonturtles said:
Quote:

bw86 said:
At this moment I have 6 tubs in a closed 40 cubic foot tent with a C02 monitor.
My average ppms went from around 350 to 450
Thats basically nothing, its within a normal fluctuation of regular breathing air.

If your worried about C02 build up buy a plant or two :shrug:




Thanks for the reply! If the tent is closed, and the tubs consume O2 to make CO2, how come the CO2 levels don’t just rise and rise? Next question: Aren’t house plants the main source of contams?



Because its not air tight. Co2 easily fits through a zipper


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InvisibleFriedEggS
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Re: How many monotubs can I put in my grow room before CO2-levels become too high [Re: turtlesonturtles]
    #27115709 - 12/30/20 08:28 AM (3 years, 1 month ago)

Quote:

turtlesonturtles said:
I found this from @fightingcherries in the «100 monotub grow»-thread:

«Yes, I took readings in a room with 50 tubs, 10 x 10 room, and it gets over 2500 ppm when the door is not opened, in just 12 hours.  The rest of the house is are 500-700, and outside was 400 roughly.«




:whathesaid:


sorry bod, but it's not relevant if humans create more co2 than mushrooms. if there are enough tubs in a closed room then co2 will eventually rise, the air will become stale, blotch will get out of control, and your grows will go to shit. i assume most people here tried to hide their first few monotubs in a closed closet only to learn the hard way that mushrooms like fresh air, not stale air. what OP is asking about is the same thing, just on a larger scale.


OP, instead of adding ventilation, just keep a window open a few inches. you don't need a lot of ventilation. you should keep the door open too so air can flow in and out gradually through the room. cracking a window on the other side of the house would probably help too.


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Edited by FriedEgg (12/30/20 08:32 AM)


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InvisiblebodhisattaMDiscordReddit
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Re: How many monotubs can I put in my grow room before CO2-levels become too high [Re: FriedEgg] * 1
    #27115722 - 12/30/20 08:38 AM (3 years, 1 month ago)

I agree fresh air is important

"Stale air" whatever non scientific metric that is might have slightly higher than Ambient co2 but plenty of people have iguanas in a closet and any animal produces orders of magnitude more co2 than fungi.

Your worry is about ventilation for good growth conditions not co2 levels


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Offlinebw86
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Re: How many monotubs can I put in my grow room before CO2-levels become too high [Re: bodhisatta]
    #27115728 - 12/30/20 08:42 AM (3 years, 1 month ago)

Quote:

bodhisatta said:
Quote:

turtlesonturtles said:
Quote:

bw86 said:
At this moment I have 6 tubs in a closed 40 cubic foot tent with a C02 monitor.
My average ppms went from around 350 to 450
Thats basically nothing, its within a normal fluctuation of regular breathing air.

If your worried about C02 build up buy a plant or two :shrug:




Thanks for the reply! If the tent is closed, and the tubs consume O2 to make CO2, how come the CO2 levels don’t just rise and rise? Next question: Aren’t house plants the main source of contams?



Because its not air tight. Co2 easily fits through a zipper





Of course, but the general ppms in the small enclosed area would be representative of a larger room filled with more tubs. The holes in the tent would be like the crack under the door. Was I not saying the same thing you did with numbers?


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InvisibleFriedEggS
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Re: How many monotubs can I put in my grow room before CO2-levels become too high [Re: bodhisatta]
    #27115742 - 12/30/20 08:47 AM (3 years, 1 month ago)

Quote:

bodhisatta said:
I agree fresh air is important

"Stale air" whatever non scientific metric that is might have slightly higher than Ambient co2 but plenty of people have iguanas in a closet and any animal produces orders of magnitude more co2 than fungi.

Your worry is about ventilation for good growth conditions not co2 levels




agreed. you can't just put a co2 meter in a closet and assume the air is good just because it's under 1k. i learned that the hard way. there are more things you need to look at.

the phrase "stale air" is used all over mush cultivation... it's used probably hundreds of times in TMC. it's just the opposite of "fresh air". does it need to be a scientific metric to be useful? i don't know how to define either one but i don't think that really matters since we all know the difference between fresh and stale air. :shrug:


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Edited by FriedEgg (12/30/20 08:47 AM)


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Offlineturtlesonturtles
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Re: How many monotubs can I put in my grow room before CO2-levels become too high [Re: FriedEgg]
    #27115860 - 12/30/20 09:52 AM (3 years, 1 month ago)

Thanks guys! It tends to be cold as shit where I live, so having the window open and still keeping the temperature high enough can prove a challenge. Couldn’t too much moving air (especially cold, dry air) also dry out the tubs? Anyway: I now feel confident I won’t induce lung damage on my self and that the space I have in mind can handle quite a few monos as long as I provide a bit of fresh air. I’ve bought a CO2/RH-meter and am ready to experiment/dial this in. Again: thanks for the replies


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OfflineProfessor X
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Re: How many monotubs can I put in my grow room before CO2-levels become too high [Re: turtlesonturtles]
    #27115881 - 12/30/20 10:06 AM (3 years, 1 month ago)

It's for this reason and because I needed a certain level of incognito that I personally used a wardrobe and cedar closet I modified with some plastic sheeting, box fans and filters (because of the carpet, 5 rats and dog).


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InvisiblebodhisattaMDiscordReddit
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Re: How many monotubs can I put in my grow room before CO2-levels become too high [Re: turtlesonturtles]
    #27115882 - 12/30/20 10:07 AM (3 years, 1 month ago)

Thousands of people grow in cold climates year round. Don't overthink it


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OfflineTattersail
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Re: How many monotubs can I put in my grow room before CO2-levels become too high [Re: bodhisatta]
    #27116098 - 12/30/20 11:36 AM (3 years, 1 month ago)

I live in a cold, damp country and I rarely go a single day without opening all my windows. Even if it's just for half an hour, every room gets aired out even if it's literally freezing outside.

I don't think mushrooms will mind slight temp variations too much. It's not like Mother Nature provides them with a constant temp either.

I would worry less about the air quality of a room full of shroom tubs, than I would a house that rarely gets an airing! Unless your room has no windows but in that case just leaving the door open a while should be fine.


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