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Invisibledwpineal
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Best CO2 controller for mushroom production?
    #8796397 - 08/19/08 04:27 PM (9 years, 8 months ago)

I know not a lot of people are using CO2 controllers because of the prices, but I'm looking to buy one that will help me maintain the desired CO2 levels in the room. Basically something that can test the air, determine if there is too much CO2. If there is, it would turn on a vent and an outdoor intake fan to remove stale air and introduce fresh filtered air. Once levels are correct, it then waits for the next time levels get too high.

I know most of the grow room CO2 controllers are made for growing plants and are trying to do the opposite of what we want - increasing co2 instead of limiting it. But some have mode that switch from one to the other.

So anyone using anything like that out there? Or any home made CO2 set-ups for less than $400?


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OfflineRogerRabbitM
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Re: Best CO2 controller for mushroom production? [Re: dwpineal]
    #8800011 - 08/20/08 10:23 AM (9 years, 8 months ago)

There's a lot more to why we provide air exchange than CO2. You don't need or want a CO2 controller because ambient earth CO2 levels are what you want.  Get a fan and provide as much fresh air as you possibly can while still maintaining 95% or higher humidity.
RR


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Invisibledwpineal
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Re: Best CO2 controller for mushroom production? [Re: RogerRabbit]
    #8806134 - 08/21/08 04:37 PM (9 years, 7 months ago)

Well my problem is this - the ambient temperatures are very hot so I want to limit external air intake as much as possible. I was thinking that I could internally circulate the air, there will also be active exhaust and either filtered active or just filtered air intake.

I have an AC unit in the room (a window unit with only the cooling and recirc parts in the room), so I can cool the air that is in there.

And so I was thinking that if I ensure that the CO2 limits are as precise as possible that I can still get good fruitings, but now be letting in more hot air than I need which will potentially ruin the crop. I would love some input (since CO2 controllers are expensive :cool:)


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Invisibledwpineal
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Re: Best CO2 controller for mushroom production? [Re: dwpineal]
    #8879281 - 09/04/08 10:31 PM (9 years, 7 months ago)

just bumping this to see if it sparks anyone's thoughts. I sure hope so!  :popcorn:


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InvisibleLokelYokel
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Re: Best CO2 controller for mushroom production? [Re: dwpineal]
    #8879821 - 09/05/08 12:24 AM (9 years, 7 months ago)

I have been having probs with co2 in my oyster grow room:  aborted pins, no pins, or deformed fruit bodies.  I had been using a hepa filter to provide fae.  I suspect the filter is fairly clogged(old filter) or the blower just does not have the juice to provide enough exchanges for proper fruiting.  The substrate would colonize perfectly but then very spotty fruiting. I've replaced the filter with a more powerful blower(no filter) and since then I have to run to run my Hydrofogger constantly to maintain humidity.  With the filter I had the Hydrofogger cycle on occasionally. It was 96 degrees today and with just the blower and the Hydrofogger at the hottest part of the day my grow room was 76 degrees and 85% RH with no added A/C. As the sun sets the RH gradually climbs to +95%.  I have about 100lbs of straw that I inoculated 16 days ago.  This strain usually pins at 18 days so I hope RR's suggestion to "Get a bigger fan" will bode well for this crop.  Will keep you posted and try to get some pics of the flush.


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InvisibleJaComet
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Re: Best CO2 controller for mushroom production? [Re: LokelYokel]
    #8880783 - 09/05/08 07:41 AM (9 years, 7 months ago)

CO2 level test kits are available. You’d need some kind of soda lime scrubber to remove gas from the room. Blower through a bucket might suffice. With enough budget an automated system could be put together.

Would that be cost effective compared to chilling incoming hot air to preserve room humidity?

You know. (Light Bulb goes on)A scrubber might not be a bad idea!!!

I'll need to go calculate some things.


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OfflineMilehighru
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Re: Best CO2 controller for mushroom production? [Re: dwpineal]
    #24443227 - 06/28/17 10:47 PM (9 months, 20 days ago)

I am looking for the same but for slightly different reasons...but here is what I found...
https://www.teracomsystems.com/sensors/1-wire-carbon-dioxide-sensor-tsg200/
and this one which looks pretty good and relatively less expensive...
https://www.co2meter.com/products/co2-controller-for-mushroom-growers


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Offlinepsiconautasmart
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Re: Best CO2 controller for mushroom production? [Re: Milehighru]
    #24482445 - 07/14/17 12:12 PM (9 months, 4 days ago)

The first one doesn't work, if you download the tech sheet it says Maximum Humidity: 80%.

:frown:


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