Fans for grow space

Discussion in 'QUESTIONS & FEEDBACK' started by npb, May 25, 2020.

  1. npb

    npb New Member

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    I am not sure this is the right place for this post.
    Does anyone have suggestions for fans inside of a fruiting chamber? 93-94%RH has been killing the fans I've been using within a matter of some months. The only suitable wet area fans I can locate are 14 inch or larger and I am wanting to add something smaller for evening out the mist distribution between the racks. I can find small wet area fans looking like computer fans for close to $90 each and 12v or 24v. I'd love to find something sized in between and 110v. I've been using 6" clip fans for this and going through around 7-9 a year. They work great during the time they are running but I'd like to find something that lasts longer.
    I am curious how other growers approach this?
    My grow space is a 20' shipping container. Humidity is provided by a high pressure misting system.
     
  2. Nihidao

    Nihidao Active Member

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    They have the big ones they run in rabbit houses and chicken ranches the mist all summer to keep temps down.Ifnot to big might work for you.
     
  3. npb

    npb New Member

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    Thanks. I'll look into that but they might be too big for the space as what I need is to even out the mist distribution between shelving. 6" clip fans have been working but I usually kill the whole lot around once a year due to the misting.
     
  4. Nihidao

    Nihidao Active Member

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    @npb i was thinking on rabbit houses they have 2 fans one on each end and misters over the hutches .the mist swirls around pretty well almost coil like. Maybe something like that on a smaller scale would work without having so many smaller fans?
     
  5. npb

    npb New Member

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    Thanks. That would work for both mist and air flowing through but that part is dialed in. I have two 20 inch fans bringing air in and a 6 inch inline duct fan as exhaust also an 18 inch waterproof fan with a high pressure mist attached to the front (pertinent fans on timers obviously). Evening out the air flow better in between some of the racks of bags is why I wanted smaller fans.
     
  6. Nihidao

    Nihidao Active Member

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    I kind of figured that but just wanted to throw the info at you .i have been looking at the containers for meat hanging and butchering and a second for growing .How u like it so far and how bad was setup. Is heat a big problem?
     
  7. Nihidao

    Nihidao Active Member

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    I used reg computer fans in a Martha for years without prob .Might want to set up a test fan to see what u get out of it b4 buying the water proof ones .a lot cheaper if it last well.
     
  8. npb

    npb New Member

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    That is a good suggestion to try computer fans before investing in more expensive version.

    On the container as a grow space. I'll take another route on the next chamber. I mostly grow lions manes which like a lot of moisture but not too much moisture and like it cool. So this chamber gets reserved for them. (I grow shiitakes in another chamber that is much less elaborate.) It works well but only because the whole thing is elevated a couple of feet and wrapped with 4" rigid foam to the ground. Air comes in under it so is preconditioned and is mixed in an 8x8x9 air mixing chamber before entering due to needing 6 air exchanges every hour to keep the CO2 low enough. There is an 18KBTU AC in it but I do not have to run it outside of very hot weather. Most of the time I can keep it in the 60s without it. 55-65 has been the best range but in the height of summer it is hard to keep it from hitting 72 on the hottest days.
    For the next one I'll be looking into comparing an insulated trailer, shipping container or a dead reefer truck trailer in terms of price and availability. This one works great but the cost of framing and adding that foam and then sealing it with spray foam added up to more than was necessary so I plan to trim that.
     
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  9. npb

    npb New Member

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    The biggest PITA was finding a suitable floor covering and creating a drain system that was not friendly to fungus gnats.
     
  10. Nihidao

    Nihidao Active Member

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    I hate gnats with a passion! A reefertruck isa great idea .I have seen a couple sitting .one has been there years . Thanks for the info .
     
  11. npb

    npb New Member

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    On those damn gnats: Something I found hugely helpful was creating my entry so I had to go through three layers of doors before getting inside and lining the door frames with MERV8 polyester air filter material cut into long strips. This material can be found on Ebay or at Zoro or elsewhere in rolls. Example: https://www.zoro.com/air-handler-filter-roll-25-inx45-ftx2-in-merv-8-2jtc1/i/G6490897/
    It compresses when the door is closed and makes a nice seal. The place I got the idea (a Canadian discussion on mushroom grow houses) suggested drifting a little bit of tanglefoot on top of it for complete fly exclusion but I have not done that.
    airfilter-material-on-doorframe-IMG_0321.jpg
     
  12. Nihidao

    Nihidao Active Member

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    I’m working on a nice piece of land .Hoping to get a small grow going if it works out.Def going to steal some of your ideals if so.Even if they don’t sell well the family and the livestock will eat well .lol.speaking of what do u do with your spent subs ?u must pump out a lot.
     
  13. npb

    npb New Member

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    No need to regard it as stealing as I am happy to share. Plus I'm merely standing on other people's shoulders.
    I collaborate with my neighbors who produce oyster mushrooms (I grow lion's manes and shiitakes) and our spent substrate goes into bioreactors for turning it into compost.
    I'm running at less than half capacity right now due to some recent facility repairs but this was what it looked like yesterday:
     
    Last edited: Jun 22, 2020
  14. Nihidao

    Nihidao Active Member

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    Nice sounds like have a good community.I bet that’s some good compost my garden loves the little bit I put out. Def going to have to try lion’s mane. Pretty popular?
     
  15. npb

    npb New Member

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    It is both popular and increasing in that due to an ongoing wave of free publicity from everyone from Paul Stamets to Joe Rogan. Last year we started seeing multiple people coming to the Farmers Markets specifically searching for lions manes. I'm getting $22 a pound and they usually sell out every week despite some of them coming in around a pound each. There is also a booming market for dried mushroom powder I am not currently able to fulfill so am hoping to expand the facility to accommodate that.
    And yes it is a sweet situation. My neighbors are great people and we are both on each others Certified Producers Permit so can sell each other's mushrooms and have more diversity. For whatever reason having a bigger selection results in vastly greater total sales than if we were both present with the exact same offering as two companies.
     
    Last edited: Jun 22, 2020
  16. Nihidao

    Nihidao Active Member

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    Damn that is a nice setup my man! Hmmm maybe I have been thinking in the wrong direction was going to go with pips and oyster. What is your rotation time if u don’t mind me asking. I’m going to have to look up their growth parameters and grow a couple runs of them.One more question have I ever fed spent subs to animals what little I could find on it says it improves the flavor of meat and sometimes doubles the nutritional value of the feed. I’m sorry to ask so many questions .havebeen thinking of expanding and hard earned knowledge like yours is valuable..
     
  17. npb

    npb New Member

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    Erinaceus are pretty fast. Generally it is between three and four weeks from inoculation to the first harvest with a second flush a couple of weeks later. Bags should be opened BEFORE they look fully colonized and start to fruit inside of the bag.
    I retire them after the second flush despite the fact they can fruit multiple times and go for 2 years or more. The rising incidence of assorted potential problems are avoided if I stop after two flushes. Before composting I usually leave them fruit a time or two for the deer to enjoy. The downside of that was I inadvertently trained them that coralloides was edible. Prior to this they had left it untouched but now we compete for the wild ones.

    Coralloides is slower and prefers colder temperatures (ideally in the 50s). Americanum is slower to finish at erinaceus temperatures and prefers it a little warmer but they are not popular enough to merit their own space so I am just patient with them.
    I am still working to find an abietis culture that produces abietis. Third was not the charm so maybe my fourth attempt will be? However, my efforts at trying to grow what I was sold as it have shown erinaceus grows just fine on doug-fir fuel pellets and white pine shavings supplemented with wheat bran. Not as fast as on tan-oak sawdust (a local product) but I was pleasantly surprised.
    I'm happy to answer questions. The world needs a lot more people growing Hericium species.

    Interesting on using spent substrate as animal food. I know someone who swears inoculated grain is good to use as human food but I've never tried it.
     
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  18. Nihidao

    Nihidao Active Member

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    Lol u trained the deer to eat mushrooms that’s funny ! A fir eating strain would be great in my neck of the woods .def going to get a culture and run a few to see if I can .Thanks for your time @npb