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InvisiblePsychedelic Pupil
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Multiple connected Martha style FC's for varied humidity
    #23390676 - 06/28/16 10:16 AM (7 years, 6 months ago)

Hi, I'm wondering if anyone has tried this. I did some searching but didn't see anything.

I'm wondering if anyone has had any luck with connecting multiple Martha's via ductwork and/or fans to get diminishing RH per Martha. Am I explaining that in an understandable way. So the first one would be say 95% RH, the second would be 80% and the last 60% (just for examples) This would provide me with different environments for different species to fruit in.

Here's why I want to try. I have a nice outbuilding that I'm planning to convert into my growing area over time but right now I'm relying on a martha type of portable greenhouse. I have one that's full and other stuff coming up that will need a FC with lower humidity. I'd rather try to add on to my existing set-up without having to get another coolmist, hygrostat, etc..

Thanks!


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OfflinePsilocyBen17
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Re: Multiple connected Martha style FC's for varied humidity [Re: Psychedelic Pupil]
    #23391390 - 06/28/16 03:34 PM (7 years, 6 months ago)

what sort of species would you grow in 60% rh?


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InvisiblePsychedelic Pupil
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Re: Multiple connected Martha style FC's for varied humidity [Re: PsilocyBen17]
    #23391822 - 06/28/16 06:05 PM (7 years, 6 months ago)

Flowering plants. They can help absorb CO2, as well as other contaminates and put out O2. Cant imagine that would hurt anything. I think it should help create a nice environment.


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Re: Multiple connected Martha style FC's for varied humidity [Re: Psychedelic Pupil]
    #23392085 - 06/28/16 07:59 PM (7 years, 6 months ago)

Interesting idea. I've had similar thoughts as it does get rather annoying to only grow a few species in one fc at a time. I've also considered using an exhaust from the fc to more humid loving plants. Kratom, salvia, caapi etc.


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InvisibleMarty Mycfly
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Re: Multiple connected Martha style FC's for varied humidity [Re: Psychedelic Pupil]
    #23392306 - 06/28/16 09:14 PM (7 years, 6 months ago)

Quote:

Psychedelic Pupil said:
Flowering plants. They can help absorb CO2, as well as other contaminates and put out O2. Cant imagine that would hurt anything. I think it should help create a nice environment.



What kind of plants?


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InvisiblePsychedelic Pupil
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Re: Multiple connected Martha style FC's for varied humidity [Re: Marty Mycfly]
    #23393213 - 06/29/16 06:55 AM (7 years, 6 months ago)

I'm not sure what kinds of plants yet. I was hoping someone may have tried this already to give me some advice, but I guess I'll just have to give it a shot myself and experiment with it. I need the extra greenhouse space regardless of whether I connect them or not.

There's several plants that are great air scrubbers as well as providing high transpiration to help stabilize humidity. I was thinking of mums and gerber daisies, but there's also types of ferns and palms that would do well.

I'm also curious to see if I could get some tropical/sub-tropical plants going in the 80% FC. I have good luck with orchids and there's some varieties that I would only be able to grow in a greenhouse because of the climate where I am.

I've got equipment coming in today for the second chamber. I'll have to do some math to figure out how much air I'll be moving between the two chambers to help determine duct size. Then I'll just give it a shot and let it run for a few days empty to see how it holds up.

If all goes well I'll start putting stuff in it and see how it goes.


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Re: Multiple connected Martha style FC's for varied humidity [Re: Psychedelic Pupil]
    #23393414 - 06/29/16 08:34 AM (7 years, 6 months ago)

This is a really interesting idea. I wonder if having plants in the fruiting chamber would help reduce CO2 levels. Has anyone ever tried this out?


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InvisibleMarty Mycfly
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Re: Multiple connected Martha style FC's for varied humidity [Re: poponon]
    #23394495 - 06/29/16 02:45 PM (7 years, 6 months ago)

Quote:

poponon said:
This is a really interesting idea. I wonder if having plants in the fruiting chamber would help reduce CO2 levels. Has anyone ever tried this out?




I just feel like plants and soil are going to be harboring a lot of competitors that we initially dont want in our grow rooms. I really have no idea though, thats just my first reaction


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InvisiblePsychedelic Pupil
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Re: Multiple connected Martha style FC's for varied humidity [Re: Marty Mycfly]
    #23394510 - 06/29/16 02:49 PM (7 years, 6 months ago)

Marty, I'm concerned about this also and have been doing some research on the topic. From my preliminary findings there are micro organisms in healthy plant soil that eliminate some bacteria in the air. Like I said I'm just starting to research this so I don't have much in the way of specifics at this point.

I don't intend on just winging this though without fully understanding what the benefits or drawbacks may be.


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InvisibleMarty Mycfly
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Re: Multiple connected Martha style FC's for varied humidity [Re: Psychedelic Pupil]
    #23394538 - 06/29/16 02:56 PM (7 years, 6 months ago)

Quote:

Psychedelic Pupil said:
Marty, I'm concerned about this also and have been doing some research on the topic. From my preliminary findings there are micro organisms in healthy plant soil that eliminate some bacteria in the air. Like I said I'm just starting to research this so I don't have much in the way of specifics at this point.

I don't intend on just winging this though without fully understanding what the benefits or drawbacks may be.



Well, I am definitely going to be following along while you are doing this, its going to be super fascinating.


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Re: Multiple connected Martha style FC's for varied humidity [Re: Marty Mycfly]
    #23394822 - 06/29/16 04:33 PM (7 years, 6 months ago)

Quote:

Marty Mycfly said:


I just feel like plants and soil are going to be harboring a lot of competitors that we initially dont want in our grow rooms. I really have no idea though, thats just my first reaction





it was my understanding that sterility is far less of a concern in the fruiting chamber, where you'd want to lower co2. Definitely a relevant concern though. Maybe using hydroponics to avoid soil microbes would work? Pasteurizing soil is another idea, but I'm not sure if this would help or make a better host for microbes to flourish in.

I will also be following along if you plan on doing any experiments. really interesting stuff. would be very cool to measure the CO2 levels in the FC


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InvisibleMarty Mycfly
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Re: Multiple connected Martha style FC's for varied humidity [Re: poponon]
    #23394867 - 06/29/16 04:47 PM (7 years, 6 months ago)

Quote:

poponon said:
Quote:

Marty Mycfly said:


I just feel like plants and soil are going to be harboring a lot of competitors that we initially dont want in our grow rooms. I really have no idea though, thats just my first reaction





it was my understanding that sterility is far less of a concern in the fruiting chamber, where you'd want to lower co2. Definitely a relevant concern though. Maybe using hydroponics to avoid soil microbes would work? Pasteurizing soil is another idea, but I'm not sure if this would help or make a better host for microbes to flourish in.

I will also be following along if you plan on doing any experiments. really interesting stuff. would be very cool to measure the CO2 levels in the FC



That's what I was thinking, hydro.


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InvisiblePsychedelic Pupil
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Re: Multiple connected Martha style FC's for varied humidity [Re: Marty Mycfly]
    #23400205 - 07/01/16 07:37 AM (7 years, 6 months ago)

Quote:

Marty Mycfly said:

That's what I was thinking, hydro.




Hmm. That's an idea for sure. I guess you'd have to see if the benefits would be worth the extra set-up. My goal here though wouldn't be to minimize bacteria or microorganisms, but to create an environment of complimentary microorganisms.

So far I've been able to find several legitimate studies on, not only plants, but potting soil filtering Benzyne, Toluene, Formaldehyde and some other VOC's from the air. While I would guess that there are some of these VOC's present inside my greenhouse I don't know that they would affect mushroom growth much.

One study I looked at discusses the bacterial isolates found in a few common house plants. They included Alcaligenes, Arthrobacter, Aureobacterium, Bacillus, Curtobacterium, Flavobacterium, Leuconostoc, Micrococcus, Myxococcus, Pseudomonas. and Streptomyces. All are common bacteria in house plants. I compared these to a list of bacteria found in a study comparing steralized casing and non-steralized casing growing oysters (Pleurotus ostreatus).

There were some interesting finds. One is that the non-sterilized casing layer had very close to double the yield. The control had no casing.

"In the harvest yield, 950 grams of mushrooms were produced in the control while 1,501 grams were produced in the S-S soil. The N-S sample produced a total of 2,967 grams, considerably more than S-S. Also, the frequency of fruiting body formation was higher in N-S than in S-S: 4 positions in control, 6 positions in S-S and 13 positions in N-S."

What else I found interesting was that most of the bacteria found in house plant soil is also found in the non-sterilized casing layer and the bulk substrate.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3755250/table/T1/

It's possible that the couple types of bacteria found in house plants that weren't shared in the casing layer, or bulk substrate, may be detrimental to fruiting mushrooms. I'm still looking into that. I've got 10 studies at a time open in different windows, hehe!

But, based on the preliminary research I would speculate that creating a cooperative environment between certain species of house plants and mushrooms should be possible and may, in fact, help to produce higher yields.


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Re: Multiple connected Martha style FC's for varied humidity [Re: Psychedelic Pupil]
    #23400510 - 07/01/16 09:40 AM (7 years, 6 months ago)

I remember discussing this at some point and remember asking others about using my hydro room to supply some air to my growroom. I seem to remember RR saying something about plants not liking the CO2 during evening/non-light hours.


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Re: Multiple connected Martha style FC's for varied humidity [Re: AnarchoV]
    #23400513 - 07/01/16 09:41 AM (7 years, 6 months ago)



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Re: Multiple connected Martha style FC's for varied humidity [Re: AnarchoV]
    #23403214 - 07/02/16 06:35 AM (7 years, 6 months ago)

Thanks for the link. Yeah, that's correct. Plants produce CO2 in their night cycle so you could get a CO2 spike in the dark. It's something I would certainly need to consider.

I'm curious to know how much CO2 is put out comparatively. In other words how much CO2 my fruiting chamber produces compared to how much CO2 is pumped into grow spaces. If anyone has a CO2 meter in their fruiting chamber maybe they could share this info with me.

I know there have been studies done on king oysters to find their optimal CO2 level and it's 0.03% for fruiting. I think getting to this optimal level should be fairly easy to achieve in balance with ventilation. Looks like I may have to get a CO2 meter that's also a data logger to see how much CO2 is produced in a night cycle by plants and shrooms. Hmmmm... something else to geek out on! Sweet!


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