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tedoro
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Question about cube respiration and room air.
#27075236 - 12/06/20 12:48 PM (3 years, 1 month ago) |
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I've been thinking about fresh air and my monotub room/closet.
I think we all can imagine a very small room with three adults getting stuffy after a bit, wanting to crack a window.
What might be a fair comparison between a monotub's needs for air and humans? Could I add up all the weight of the substrate and the imagine that same weight in humans? Do cube respire less than mammals by weight?
All I'm looking for is ball park numbers... this is mostly just a thought experiment so I can estimate better conditions.
Thanks!
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bodhisatta 
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Re: Question about cube respiration and room air. [Re: tedoro]
#27075244 - 12/06/20 12:52 PM (3 years, 1 month ago) |
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Cubes don't have respiration. They don't have lungs. They're aerobic. They use orders of magnitude less oxygen than a mamal of the same biomass. No organs no brain no need to keep a circulatory system warm and pumping.
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tedoro
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Re: Question about cube respiration and room air. [Re: bodhisatta]
#27075274 - 12/06/20 01:10 PM (3 years, 1 month ago) |
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Cool, so one to ten?
I'm a tad confused, This is from Wikibooks.org
"Fungi practise extracellular digestion in order to respire. The hyphae release enzymes onto the food source. The enzymes break down the food into food molecules which are then absorbed by the hyphae. The glucose from this is used in respiration."
https://en.wikibooks.org/wiki/NCEA_Level_1_Science/Life_processes#:~:text=Fungi%20practise%20extracellular%20digestion%20in,this%20is%20used%20in%20respiration.
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tedoro
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Re: Question about cube respiration and room air. [Re: tedoro]
#27075321 - 12/06/20 01:31 PM (3 years, 1 month ago) |
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Maybe Cubes don't respire, but other fungi do?
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Edited by tedoro (12/06/20 01:35 PM)
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tedoro
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Re: Question about cube respiration and room air. [Re: tedoro]
#27075333 - 12/06/20 01:43 PM (3 years, 1 month ago) |
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Man, I'm learning a ton reading. All living things respire. I thought respiration was only the consumption of oxygen by digesters.
I need to go back to middle school.
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bodhisatta 
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Re: Question about cube respiration and room air. [Re: tedoro] 1
#27075344 - 12/06/20 01:50 PM (3 years, 1 month ago) |
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Cellular respiration is different than respiration in the terms of animals. But yes there's respiration in fungal cells. Its probably like 1:1000 or more the needs of mamals
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tedoro
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Re: Question about cube respiration and room air. [Re: bodhisatta]
#27075368 - 12/06/20 02:06 PM (3 years, 1 month ago) |
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There was a fellow here somewhere that moved his operation into his basement, and had poor results until he pumped a large amount of fresh air into his basement. He was running 40 tubs. Got me wondering when could a grow room get stuffy and hinder growth? I am certainly not Box fanning air into my room.
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bodhisatta 
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Re: Question about cube respiration and room air. [Re: tedoro]
#27075376 - 12/06/20 02:09 PM (3 years, 1 month ago) |
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40 tubs wouldn't use close to one humans worth of air needs. I bet a couple breaths are what a tub uses in a week
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tedoro
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Re: Question about cube respiration and room air. [Re: bodhisatta]
#27075387 - 12/06/20 02:16 PM (3 years, 1 month ago) |
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Quote:
bodhisatta said: 40 tubs wouldn't use close to one humans worth of air needs. I bet a couple breaths are what a tub uses in a week
This is good to know. And when dialing in a monotub, the fruits get long and thin and fuzzy when the FAE is too low, meaning the substrate has begun to use up the air within the mono.... Even though this biological need is very slight. yes? and thats mostly oxygen depletion? yes? and do we know at what level the oxygen needs to lower to to begin degrading the fruit?
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Edited by tedoro (12/06/20 02:29 PM)
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bodhisatta 
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Re: Question about cube respiration and room air. [Re: tedoro]
#27075402 - 12/06/20 02:28 PM (3 years, 1 month ago) |
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Raised the co2 concentration not lowered the o2 concentration is the theory. But oysters get ugly in a sgfc which doesn't trap co2. So maybe there's more to it. Like plants need wind for strong stems but we know it's not lack of air
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bodhisatta 
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Re: Question about cube respiration and room air. [Re: bodhisatta] 1
#27075405 - 12/06/20 02:29 PM (3 years, 1 month ago) |
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Like becoming more tall and thin to access wind to disperse spores. It could be a feedback mechanism more than a biological need for air
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tedoro
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Re: Question about cube respiration and room air. [Re: bodhisatta]
#27075408 - 12/06/20 02:30 PM (3 years, 1 month ago) |
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ah, CO2 buildup. gotcha.
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tedoro
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Re: Question about cube respiration and room air. [Re: bodhisatta]
#27075410 - 12/06/20 02:30 PM (3 years, 1 month ago) |
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ah, CO2 buildup. gotcha.Quote:
bodhisatta said: Like becoming more tall and thin to access wind to disperse spores. It could be a feedback mechanism more than a biological need for air
Thats such a cool concept.
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Lemgrub



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Re: Question about cube respiration and room air. [Re: tedoro]
#27076142 - 12/06/20 08:51 PM (3 years, 1 month ago) |
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If cubes can survive in an lc broth, they can extract oxygen pretty efficiently Id say.
And the CO2 theory makes sense. A change in O2/CO2 levels can cause humans to pass out or hyperventilate, so its not unreasonable to say an aerobically respiring fungus should also have some sort of observable response
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tedoro
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Re: Question about cube respiration and room air. [Re: Lemgrub]
#27076185 - 12/06/20 09:16 PM (3 years, 1 month ago) |
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I'm getting a grasp of it all. If cubes convert oxygen to CO2 in a monotub.... and Air is 20% oxygen, but something like .04% for CO2, that conversion would barely change the oxygen percentage while easily having a 10 fold effect on the CO2. Oxygen deficit rarely seems to be the issue.
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