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OfflineTravelAgency
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Greenhouse build
    #23022539 - 03/19/16 06:59 AM (8 years, 12 days ago)

So I started my GreenHouse journey with this thread. It's old but still holds true

https://www.shroomery.org/forums/showflat.php/Number/13843759/fpart/1/vc/1

So I got the mini GreenHouse- rigged up a Humidibucket and two fans, one in, one out.




My exhaust fan was too heavy so I simply used some twisty ties to attach it to the shelf above



I was still having FAE issues, then SpeakSoftly and JanuaryWolf recommended venting out the window, supplied and cut the material for me (thanks you two!) and perfect FAE was finally achieved (and my room no longer felt like a swamp!).





Got a Gr0wer' Approved hygrometer



I had my intake fan crap out on me after about 9 months- granted it was on 24/7 but it was rated for high humidity. The calcification is what did it in. I'm about to start using filtered water to combat that problem with my new fan.



Odd thing was before it crapped completely out it slowed down a bit- and my humidity shot up. Apparently it was blowing too fast to effectively funnel the humid air up and into my GH. So with the new fan I got a fan speed controller to dial it back a bit.



Being able to dial it down maintained proper FAE yet instantly made my rH jump almost 15%.


Then I decided to upgrade- got a humidity controller that plugs into a second pond fogger, both now in floats (idea MorePies) as I work long hours and the bucket always ran out of water, the controller is also attached to an ultrasonic at the bottom.






And I added a fan speed controller on the exhaust, to dial it down to help retain humidity.



And just learned how to calibrate my hygrometer, using a wet but not soaking towel, wrapping it for 30 minutes, and adjusting the tiny screw (didn't have a screwdriver small enough but my inoculation loop fit perfectly!) on the back, gently- lightly, to make it 98%. Turns out mine was reading about 10% too high this whole time.

Here are recent results of my GreenHouse!





I did learn a few things from this past run- there are some serious microclimates in my GreenHouse. Appeared to stem from both the direction my intake pipe was pointing (towards the back) and air coming in through the zipper. I will be changing the way the intake blows into the chamber next- stay tuned!


EDITED FOR EASE OF REFERENCE


Edited by TravelAgency (05/09/17 11:57 PM)

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OfflineCollective roots
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Re: Greenhouse build [Re: TravelAgency]
    #23022643 - 03/19/16 08:26 AM (8 years, 12 days ago)

rr suggest putting holes in greenhouse for increased FAE to reduce contams and co2 thats how mine is set up and it works well. also i just use a humidifier on a 15 on 15 off cycle, but if you can get a timer that does 5 min intervals thats better. the pond fogers will produce co2 which could be good or bad.


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OfflinepoofterFroth
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Re: Greenhouse build [Re: Collective roots]
    #23024173 - 03/19/16 06:29 PM (8 years, 11 days ago)

Quote:

Collective roots said:
rr suggest putting holes in greenhouse for increased FAE to reduce contams and co2 thats how mine is set up and it works well. also i just use a humidifier on a 15 on 15 off cycle, but if you can get a timer that does 5 min intervals thats better. the pond fogers will produce co2 which could be good or bad.




What makes you think pond foggers produce Co2? It seems unlikely.. :shrug:


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OfflineGr0wer
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Re: Greenhouse build [Re: poofterFroth]
    #23024370 - 03/19/16 07:23 PM (8 years, 11 days ago)

What do you plan on growing?

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OfflineTravelAgency
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Re: Greenhouse build [Re: Gr0wer]
    #23024546 - 03/19/16 08:25 PM (8 years, 11 days ago)

Quote:

Gr0wer said:
What do you plan on growing?




Mostly various species of oysters at the moment- with enoki as well (probably my favorite mushroom as I cook a lot of Korean). I currently have blue, pink, gold, Phoenix, King, and two aloha isolates culture wise along side the enoki (most have not been put to grain yet).


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OfflineGr0wer
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Re: Greenhouse build [Re: TravelAgency]
    #23024663 - 03/19/16 08:57 PM (8 years, 11 days ago)

Going to need an active exhaust and intake most likely and 24/7 FAE, no timers. Oysters need tons of fresh air for a quality fruit. THe pinks are more tolerant to low FAE but spore load is huge so you need an exhaust.  Kings dont need much FAE but much higher RH than the other varieties. Take a look at my greenhouse below if you haven't already.

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OfflineCollective roots
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Re: Greenhouse build [Re: poofterFroth]
    #23025576 - 03/20/16 07:50 AM (8 years, 11 days ago)

Quote:

poofterFroth said:
Quote:

Collective roots said:
rr suggest putting holes in greenhouse for increased FAE to reduce contams and co2 thats how mine is set up and it works well. also i just use a humidifier on a 15 on 15 off cycle, but if you can get a timer that does 5 min intervals thats better. the pond fogers will produce co2 which could be good or bad.




What makes you think pond foggers produce Co2? It seems unlikely.. :shrug:




Thats what it said on the package on the one i had as a kid but i dont see any thing on line to support that so i guess i will have to update my prior knowledge.


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Edited by Collective roots (03/20/16 07:55 AM)

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OfflineTravelAgency
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Re: Greenhouse build [Re: Collective roots]
    #23025638 - 03/20/16 08:38 AM (8 years, 11 days ago)

Yeah I saw your grow room ( :jawdrop:  )- would a PC fan be enough for exhaust?


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OfflineGr0wer
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Re: Greenhouse build [Re: TravelAgency] * 1
    #23026129 - 03/20/16 12:03 PM (8 years, 10 days ago)

Yes PC fans work but they crap out after a while, 2-3 months. They are not designed for high humidity. A 4" greenhouse duct fan should work for intake and exhaust. And put at least the exhaust on a dimmer so you can trim the airflow to be slightly negative.

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OfflineTravelAgency
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Re: Greenhouse build [Re: Gr0wer]
    #23026194 - 03/20/16 12:24 PM (8 years, 10 days ago)

Just ordered fans that were made for greenhouses. They were a little pricey but shouldn't crap out

Edit: where should I place the exhaust? Top middle or bottom?


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Edited by TravelAgency (03/20/16 12:27 PM)

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OfflineGr0wer
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Re: Greenhouse build [Re: TravelAgency]
    #23026243 - 03/20/16 12:40 PM (8 years, 10 days ago)

bottom, spores fall.

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OfflineTravelAgency
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Re: Greenhouse build [Re: Gr0wer]
    #23026251 - 03/20/16 12:41 PM (8 years, 10 days ago)

Sweet thanks Gr0wer


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OfflineGr0wer
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Re: Greenhouse build [Re: TravelAgency]
    #23026265 - 03/20/16 12:47 PM (8 years, 10 days ago)

My pleasure

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OfflineTravelAgency
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Re: Greenhouse build [Re: Gr0wer]
    #23029815 - 03/21/16 12:39 PM (8 years, 9 days ago)

These fans put out some power- how much pressure is optimal? I'll get dimmers for both if need be.



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Edited by TravelAgency (03/21/16 12:45 PM)

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OfflineTravelAgency
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Re: Greenhouse build [Re: TravelAgency]
    #23043384 - 03/24/16 11:24 PM (8 years, 6 days ago)

My roommate picked up the wrong size PVC while I was at work so this isn't the final product. Also I think the pond fogger I got isn't putting out enough so I have my ultrasonic in there too for the time being.



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OfflineTravelAgency
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Re: Greenhouse build [Re: TravelAgency]
    #23052127 - 03/27/16 03:35 PM (8 years, 3 days ago)



Finally finished


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OfflineGr0wer
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Re: Greenhouse build [Re: TravelAgency]
    #23053506 - 03/27/16 11:21 PM (8 years, 3 days ago)

Do you have a good hygrometer in there?

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Invisiblevatman
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Re: Greenhouse build [Re: Gr0wer]
    #23053604 - 03/28/16 01:17 AM (8 years, 3 days ago)

what do you keep the RH on that carpet at?

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OfflineTravelAgency
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Re: Greenhouse build [Re: vatman]
    #23055257 - 03/28/16 02:33 PM (8 years, 2 days ago)

I do not unfortunately


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OfflineTravelAgency
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Re: Greenhouse build [Re: TravelAgency]
    #23057417 - 03/29/16 01:19 AM (8 years, 2 days ago)

Next paycheck I'm looking at getting a T-8 light and a hygrometer- any suggestions on which one to get? I'm a hardcore Amazon shopper and while money is an issue I'm not looking to just get the cheapest possible- if I have to save for a good one I will. This is now a full time hobby for me- if I'm not at work I probably have my hands in my SAB. Also looking to make a flowhood soon too.


Edited to update ducting






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Edited by TravelAgency (04/27/16 07:44 PM)

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OfflineGr0wer
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Re: Greenhouse build [Re: TravelAgency]
    #23059610 - 03/29/16 03:45 PM (8 years, 1 day ago)


Edited by Gr0wer (05/22/17 06:26 PM)

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OfflineTravelAgency
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Re: Greenhouse build [Re: Gr0wer]
    #23059986 - 03/29/16 05:22 PM (8 years, 1 day ago)

Awesome thanks Gr0wer! :wave:


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OfflineGr0wer
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Re: Greenhouse build [Re: TravelAgency]
    #23060639 - 03/29/16 07:57 PM (8 years, 1 day ago)

Your welcome. Its a good entry level gauge. Always best to have two forms of humidity readings in case one gets out of whack. The temp and RH are both calibratable via a small screwdriver in the back.

how to calibrate and sync hygrometers, by yours truly.

https://www.shroomery.org/13570/How-to-Calibrate-a-Hygrometer

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OfflineTravelAgency
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Re: Greenhouse build [Re: Gr0wer]
    #23061100 - 03/29/16 09:31 PM (8 years, 1 day ago)

Awesome. You've been so much help man I really appreciate it. I'm steaming along towards my goal thanks greatly to you and others. Any other tips on how I can make my greenhouse optimal would be greatly appreciated. Let me know if there is anything I can ever do for you!

As long is RH is maintained is there such a thing as too much FAE? Those fans I got really move some air.

Should I be concerned about the carpet flooring?


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OfflineGr0wer
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Re: Greenhouse build [Re: TravelAgency]
    #23061453 - 03/29/16 11:13 PM (8 years, 1 day ago)

If you have too much airflow it will dry out the mushrooms. Especially if you're cycling your humidification on and off.

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OfflineTravelAgency
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Re: Greenhouse build [Re: Gr0wer]
    #23061494 - 03/29/16 11:26 PM (8 years, 1 day ago)

I have the pond fogger in the humidibucket on 24/7- with a 15 on 15 off ultrasonic going. The blocks always appear to have moisture on them- but I guess I won't know for sure till I get a hygrometer. From what I can tell by the fruits they look good- no fuzzy feet, fairly nice, solid fruits- but my eye is still untrained as to optimum fruit body appearance.

Also- how much negative pressure is too much? Mine has a fair amount, the walls of the GH are concave but don't look like they are stretching or warping.


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OfflineGr0wer
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Re: Greenhouse build [Re: TravelAgency]
    #23062341 - 03/30/16 07:44 AM (8 years, 1 day ago)

Negative pressure is fine, as long as there are no big leaks allowing dry air in.

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OfflineTravelAgency
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Re: Greenhouse build [Re: Gr0wer]
    #23064899 - 03/30/16 08:27 PM (8 years, 12 hours ago)

Made a slight modification. Turned the in ports up so as to disperse the air mor as there are stalled areas directly underneath the outflow when turned downwards, and the fruits looked a little stressed, while just beneath them the fruits looked much happier.



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Re: Greenhouse build [Re: TravelAgency]
    #23066489 - 03/31/16 09:00 AM (7 years, 11 months ago)

My first mini GH looked like yours does.  My two cents...humid air rises, so you should pipe in from the bottom with the zipper flap partially open and cut slits on the top so that humid, rising air has somewhere to flow.  Even a single disc pond fogger should be able to drench that bad boy.  For cubes, I think people can get away with this sort of setup, but I've never been successful growing decent-looking oysters without opening the tent up some way.


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OfflineGr0wer
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Re: Greenhouse build [Re: shroombasa]
    #23068567 - 03/31/16 07:08 PM (7 years, 11 months ago)

My fog always goes down... And a single disc may be able to fog it but when you're talking high FAE you will need two or three. YOu can grow oysters in a setup like this, you just need good FAE and and exhaust that dumps air outside, otherwise the air just circulates from the grow chamber to the room.

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OfflineTravelAgency
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Re: Greenhouse build [Re: Gr0wer]
    #23068632 - 03/31/16 07:25 PM (7 years, 11 months ago)

My air circulation is actually really high and my ultrasonic vapor always goes down so I don't think having it vent in at the top is a problem as I also have a vent out at the bottom. Shit my whole room is very humid right now.


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OfflineGr0wer
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Re: Greenhouse build [Re: TravelAgency]
    #23068660 - 03/31/16 07:33 PM (7 years, 11 months ago)

Yea get a exhaust duct and fan on there, that will help reduce the stem length.

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OfflineTravelAgency
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Re: Greenhouse build [Re: TravelAgency]
    #23068662 - 03/31/16 07:34 PM (7 years, 11 months ago)

Just ordered a hygrometer so we will see


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OfflineTravelAgency
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Re: Greenhouse build [Re: TravelAgency]
    #23068675 - 03/31/16 07:38 PM (7 years, 11 months ago)



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Offlineshroombasa
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Re: Greenhouse build [Re: Gr0wer]
    #23068700 - 03/31/16 07:45 PM (7 years, 11 months ago)

Quote:

Gr0wer said:
My fog always goes down... And a single disc may be able to fog it but when you're talking high FAE you will need two or three. YOu can grow oysters in a setup like this, you just need good FAE and and exhaust that dumps air outside, otherwise the air just circulates from the grow chamber to the room.



Fog is tiny water droplets suspended in air, many magnitudes of order bigger than molecules of water vapor.  So fog isn't really an indicator of RH and it doesn't show that the water vapor coming out of the humidifier is flowing downward.


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Re: Greenhouse build [Re: TravelAgency]
    #23068747 - 03/31/16 07:56 PM (7 years, 11 months ago)

Quote:

TravelAgency said:
My air circulation is actually really high and my ultrasonic vapor always goes down so I don't think having it vent in at the top is a problem as I also have a vent out at the bottom. Shit my whole room is very humid right now.



The thing is your oysters look like they're really lacking FAE, so they can't be getting a whole lot.


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Edited by shroombasa (03/31/16 08:11 PM)

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OfflineGr0wer
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Re: Greenhouse build [Re: TravelAgency]
    #23068784 - 03/31/16 08:07 PM (7 years, 11 months ago)

those fuckers are long, here is a pic of some market/restaurant quality fruits. Get that exhaust ducted outside and you will see improved fruit quality, the spores are not good to inhale anyways.


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Re: Greenhouse build [Re: shroombasa]
    #23068790 - 03/31/16 08:09 PM (7 years, 11 months ago)

Quote:

shroombasa said:
Quote:

Gr0wer said:
My fog always goes down... And a single disc may be able to fog it but when you're talking high FAE you will need two or three. YOu can grow oysters in a setup like this, you just need good FAE and and exhaust that dumps air outside, otherwise the air just circulates from the grow chamber to the room.



Fog is tiny water droplets suspended in air, many magnitudes of order bigger than molecules of water vapor.  So fog isn't really an indicator of RH and it doesn't show that the water vapor coming out of the humidifier is flowing downward.




if you have ultrasonics pushing air in down low you will just build up a dense fog at the bottom. Having the intake higher allows those droplets to fall and evaporate or attach to surfaces or mushrooms to later evaporate off. Its a generally accepted practice is mushroom cultivation intakes are typically up high.

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OfflineTravelAgency
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Re: Greenhouse build [Re: Gr0wer]
    #23068943 - 03/31/16 08:43 PM (7 years, 11 months ago)

So then you'll my in pipe be larger? I mean I have a 6 inch in fan to a 1.5 inch pipe and a 6 inch out fan- the fans move pretty quickly too


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Re: Greenhouse build [Re: Gr0wer]
    #23068993 - 03/31/16 08:53 PM (7 years, 11 months ago)

Quote:

Gr0wer said:
Quote:

shroombasa said:
Quote:

Gr0wer said:
My fog always goes down... And a single disc may be able to fog it but when you're talking high FAE you will need two or three. YOu can grow oysters in a setup like this, you just need good FAE and and exhaust that dumps air outside, otherwise the air just circulates from the grow chamber to the room.



Fog is tiny water droplets suspended in air, many magnitudes of order bigger than molecules of water vapor.  So fog isn't really an indicator of RH and it doesn't show that the water vapor coming out of the humidifier is flowing downward.




if you have ultrasonics pushing air in down low you will just build up a dense fog at the bottom. Having the intake higher allows those droplets to fall and evaporate or attach to surfaces or mushrooms to later evaporate off. Its a generally accepted practice is mushroom cultivation intakes are typically up high.



Commercial cultivators put their intakes at the top of the FC, but the way they position the vents creates internal circulation by the fact that the humid air rises (good diagrams in TMC, pg. 71).  OP's tent is too small to get that effect locally and he has no where for the air to flow upwards as his exhaust is at the bottom.  RR is the one who espouses humidifier at the bottom, slits at the top.  This has a blurb from RR too at the bottom in quotes.  Not saying it won't work, but from my experience using the exact same tent, and from RR's experience using the double-wide version of that same tent, there's a simpler solution to the OP's problem.


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Re: Greenhouse build [Re: TravelAgency]
    #23069548 - 03/31/16 11:51 PM (7 years, 11 months ago)

Quote:

TravelAgency said:
So then you'll my in pipe be larger? I mean I have a 6 inch in fan to a 1.5 inch pipe and a 6 inch out fan- the fans move pretty quickly too




Your exhaust fan is not venting outside the house. This is causing CO2 buildup inside your room and inside the chamber.

shroombasa, I have a simmilar sized grow chamber for my smaller grow.  Intake at the top and a restricted one in the middle then exhaust at the bottom. Ive grown some quality oyster mushrooms in that chamber before building my walk in growroom. The air isn't stagnant inside the tent, so you're not getting much stratification from heavier or lighter airs.

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Re: Greenhouse build [Re: shroombasa]
    #23069606 - 04/01/16 12:14 AM (7 years, 11 months ago)

Ok I opened the zipper slits to it we will see what difference that brings. I will say after angling my intake up at the ceiling more primordia pinned on a block- right in the area where it was down turned on. So i think what I'm dealing with is a combination of lower FAE and too much direct air (leaving less moisture.)

I will also say I put a block outside because I think I spawned it too early and some of the I colonized sawdust started turning black- it's fruits do look much more cap heavy and healthy (though I must say also where I buy oysters they generally look like mine- which doesn't mean I'm doing it right- it just means I have an opportunity).

Seriously all of these critiques are highly welcomed and appreciated.

EDITED TO ADD AFTER SEEING NEW POST:

Oh ok- so if I vented to a window do you think that would help? Maybe keep my A/C running more- or a back window open?


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Re: Greenhouse build [Re: TravelAgency]
    #23069818 - 04/01/16 01:39 AM (7 years, 11 months ago)

So this is the block I put outside because it looked like uncolonized portions were turning black- with the high FAE it appears their fruits are doing better (more cap less stem). 

So would venting out of my room help achieve a higher FAE? I mean I have a ton of air movement. I guess it's just not all fresh.




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Re: Greenhouse build [Re: TravelAgency]
    #23070273 - 04/01/16 07:31 AM (7 years, 11 months ago)

Venting out the window should lower your rooms CO2 for sure. You should also stop removing the bags and just poke a few holes for fruits to form out. This reduces evaporation off the substrate and makes harvest easier.

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Re: Greenhouse build [Re: Gr0wer]
    #23071156 - 04/01/16 12:10 PM (7 years, 11 months ago)

Ok cool thanks


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Re: Greenhouse build [Re: TravelAgency]
    #23073520 - 04/01/16 11:39 PM (7 years, 11 months ago)

The slug in the bottom left hand side of the pic looks like he found himself a meal. Watch out for those slimy buggers because they sure do love them some mushrooms.

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Re: Greenhouse build [Re: insanemike]
    #23075274 - 04/02/16 12:37 PM (7 years, 11 months ago)

Ha! Didn't even notice the bugger!


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Re: Greenhouse build [Re: TravelAgency]
    #23088601 - 04/06/16 02:03 AM (7 years, 11 months ago)

Update:

I added an ultrasonic with condensation chamber on the bottom, also on a 15 on 15 off timer. I sealed the bottom better and added a drip catch (black plastic bag). My latest fruits turned out better, harvested today but accidentally damaged the sub (stupidly didn't use a knife).



Pic is a couple days old, forgot to talk a snapshot before harvesting.


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Re: Greenhouse build [Re: TravelAgency]
    #23091756 - 04/06/16 09:31 PM (7 years, 11 months ago)

Nice healthy fruits man. Those are your blues right?

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Re: Greenhouse build [Re: vatman]
    #23091965 - 04/06/16 10:34 PM (7 years, 11 months ago)

When you harvest twist and pull, no kife. Then you can trim off any straw with a knife or spring loaded trimming sissors.

Also next grow dont rip the whole bag off, just poke holes for fruits.

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Re: Greenhouse build [Re: Gr0wer]
    #23093330 - 04/07/16 01:16 PM (7 years, 11 months ago)

Nice looking fruits TA:crazy2: Just thinking about your FAE situation, the way you have it set up there's positive pressure on your martha. It may be better for you to suck the air out the window/negative pressure, than to have it positively pressurized. With oysters, some people (myself included):sad: develop a spore allergy that causes headache, fever, and coughing.

I wouldn't worry about it too much with just a few blocks, but wanted you to be aware. Also, I've got a C02 meter, if you want I could bring it over some time to test if you think its too high?
How do you like the taste on the blues?

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Re: Greenhouse build [Re: SpeakSoftly]
    #23093401 - 04/07/16 01:40 PM (7 years, 11 months ago)

Yeah they are the blues.

My hygrometer just came in.

I actually have negative pressure as my exhaust fan is pumping out more than my in can manage- might set a dimmer to dial in better.

I put a box fan in my window to help circulate my room's air and that seems to have helped. I will eventually duct the exhaust directly out.

I didn't realize until recently you were supposed to cut holes before the sub was colonized so that'll happen for my next round of bags. The little buggers keep pinning on top so I've had to remove it for their FAE.

And yeah man I would totally take you up on the CO2 sensor!

Thanks everyone- here's the harvest:



And yeah I think they are delicious! Made another Marsala with them. Yummy.


Edited to add: the hygrometer confirmed my suspicion- I need another (or a bigger) pond fogged for my bucket as the rh is hovering around 68


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Re: Greenhouse build [Re: TravelAgency]
    #23093476 - 04/07/16 02:06 PM (7 years, 11 months ago)

Summer is definitely on its way- lost about 7 jars. I did have my friend help me too so there's a possibility his technique wasn't as good as mine or perhaps he made some kids wrong but I think just tis the season


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Re: Greenhouse build [Re: TravelAgency]
    #23093648 - 04/07/16 02:52 PM (7 years, 11 months ago)

When your blocks are fully colonized try squeezing out all the air above the block as you roll or fold the plastic down,  securing with clips or large rubber bands.  Then cut your holes. That should help them to not pin on the top.

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Re: Greenhouse build [Re: MorePies]
    #23093690 - 04/07/16 03:02 PM (7 years, 11 months ago)

Cool thanks for the tip!


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Re: Greenhouse build [Re: TravelAgency]
    #23096126 - 04/08/16 07:39 AM (7 years, 11 months ago)

If your using a 120v ac fan on your exhaust you will need a special fan dimmer, there available on ebay for like $30 made by fantech. If your using a computer fan you can just run it off a lower volt power supply. Those oysters look real healthy!

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Re: Greenhouse build [Re: Gr0wer]
    #23096287 - 04/08/16 08:45 AM (7 years, 11 months ago)

just got a humidity controller for like 15 bucks on ebay. you can set a humidity range to go on and off. just have to hard wire it into the humidifier cant wait to hook it up!


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Re: Greenhouse build [Re: Collective roots]
    #23096808 - 04/08/16 11:41 AM (7 years, 11 months ago)

U sure thats a humidity and not temp? whats the model? Most hygrometer controllers are 25+

Edited by Gr0wer (04/08/16 11:42 AM)

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Re: Greenhouse build [Re: Gr0wer]
    #23102522 - 04/10/16 06:29 AM (7 years, 11 months ago)

http://
Yup jut hooked it up last night


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Re: Greenhouse build [Re: Collective roots]
    #23102523 - 04/10/16 06:30 AM (7 years, 11 months ago)

It was 25 my bad still good deal


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Re: Greenhouse build [Re: Collective roots]
    #23102772 - 04/10/16 09:29 AM (7 years, 11 months ago)

Yea i have the same unit, i put mine into $13 home depot enclosures. Make sure you seal the connection on your probe with RTV or silicone caulk before it corrodes.


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Re: Greenhouse build [Re: Gr0wer]
    #23102983 - 04/10/16 11:09 AM (7 years, 11 months ago)

ok sweet thanks man it looks like there was some sealant on the inner part where wire connects to terminals but more wont hurt. how long has yours been going for and what do you keep your range at?


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Re: Greenhouse build [Re: Collective roots]
    #23103936 - 04/10/16 04:02 PM (7 years, 11 months ago)

Ive had this sensor for about 4 months now. I currently keep the chamber in the mid 70s RH, 65-70F

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Re: Greenhouse build [Re: Gr0wer]
    #23133156 - 04/19/16 01:46 AM (7 years, 11 months ago)



012A- I think I finally have the GH dialed in- I only run the ultrasonics about one string per day- which fluctuates rh between 68 and 98- they've seemed to like it :smile:


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Re: Greenhouse build [Re: TravelAgency]
    #23136180 - 04/20/16 03:12 AM (7 years, 11 months ago)

Putting in work tonight. Thanks to SpeakSoftly I now have ducting!!! My 6 in out fan through 6 in ducting and on out the window! Woohoo!

Harvesting.

Birthing.

Spawning Maitake and enoki (the big gulps you see).



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Re: Greenhouse build [Re: TravelAgency]
    #23345751 - 06/15/16 01:48 AM (7 years, 9 months ago)

UPDATE:

So I tidied up a bit and am getting serious. Have a HEPA on the way to build a flowhood as well as 400 lbs of hardwood fuel pellets.



I had to trash the big gulps. Every single one contamed and I felt $25 was worth not cleaning them all out. This time though I'll be using a wedge not an LC as well as hardwood. I will also alcohol soak the big gulps prior to use. I'm determined to get enoki fruiting in them, so just wait.

Impulse sealer has made a world of difference! No more top pinning!



This also means I can start supplementing, I will run side by side and take copious notes to show the difference.

I also ran into an odd problem with my intake fan.  I came home to it not running. I messed around with it and found that if I started it up like an old airplane it would get to spinning at a fairly high rate- although not to what it was out of the box. Oddly enough this has increased the efficiency of my pondfogger in the humidibucket. So much so I don't need the ultrasonic at the bottom anymore and have set it on a timer, 30 on 45 off and fluctuate between 83 and 100 rh. I'm still tweaking the timer but this odd malfunction seems to have helped my cultivating. Perhaps the power it blew at to begin with was too high to effectively force the air up the intake tube. This does make me concerned that perhaps my FAE will suffer, however so far that has not seemed to be the case.

Expanding expanding expanding! I'm getting deeper by the day and there is no turning back, myconerd for life!


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Re: Greenhouse build [Re: TravelAgency]
    #23347116 - 06/15/16 12:11 PM (7 years, 9 months ago)

Little blowers like below are perfect for small high FAE grows. Squirrel cage blowers are much better at pushing through ducting than inline fans.  It also keeps the motor up and away from the humidity inside the pail unlike computer fans. The issue with turning the fan on and off with a computer fan is, when the fogger and fan get kicked off the bucket is still filled with fog, this fog corrodes the fan. The other option is find a axial computer fan that's a the target CFM then just cycle or optimally digitally control the foggers. Best to leave one fogger on 24/7 then have 1-3 foggers running off the timer or controller. 

https://www.amazon.com/115V-AC-Cooling-Blower-121mm/dp/B006XN5GT8/ref=sr_1_8?ie=UTF8&qid=1466014035&sr=8-8&keywords=120v+blower

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Re: Greenhouse build [Re: Gr0wer]
    #23347120 - 06/15/16 12:14 PM (7 years, 9 months ago)

I'm actually using Green House fans that were supposed to be able to handle humidity- also I have the fans on 24/7 for FAE just the fogger on timer. It's strange though how it slowing down increased the effectiveness of my fogger.


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Re: Greenhouse build [Re: TravelAgency]
    #23350704 - 06/16/16 11:24 AM (7 years, 9 months ago)

:popcorn:


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Re: Greenhouse build [Re: TravelAgency] * 1
    #24173480 - 03/18/17 10:29 PM (7 years, 12 days ago)

Ok so I figured I would update this thread with what has happened since this time and my results with my GreenHouse- I might eventually change the OP to consolidate everything.

So after installing the ducting out the window there was a marked improvement in the formation of my fruits.




]


So since the last post my intake fan crapped out on me. Calcification ruined the day.


So I replaced it- same model but the company changed. After installing it I realized the fan speed was too high to adequately funnel the humid air into the GreenHouse- so after Some discussion I got a fan speed adjuster and voila! I am now maintaining 95% rH.




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Re: Greenhouse build [Re: TravelAgency]
    #24283075 - 04/30/17 02:01 AM (6 years, 10 months ago)

Another update: finally took MorePies advice and made a float. Got printer toner cartridges shipped to my work and they had this cool bubble wrap that I immediately thought of keeping a liquor bottle in the pool with when it hit me to use my impulse dealer to make it into a float for a cup to keep the fogger in so it doesn't run out of water while I'm at work for 10-14 hours.



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Re: Greenhouse build [Re: TravelAgency]
    #24293292 - 05/03/17 07:40 PM (6 years, 10 months ago)

Added fan speed controller to exhaust to turn it down a little to find the sweet spot maximizing humidity while maintain FAE




Added humidity conteoller attached to a second pond fogger on a float and the ultrasonic in the bottom of the GH. Note the Humidty controller is way off in its readings- even more than the calibration will adjust for. Have it set to fluctuate between 92-95.



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Re: Greenhouse build [Re: TravelAgency]
    #24296253 - 05/04/17 09:28 PM (6 years, 10 months ago)

yea i noticed the whilli controllers read a bit low when compared to my agptek. did you get the digital and human hair hygrometer wet towel calibrated?

Edited by Gr0wer (05/04/17 09:29 PM)

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Re: Greenhouse build [Re: Gr0wer]
    #24297542 - 05/05/17 12:49 PM (6 years, 10 months ago)

Quote:

Gr0wer said:
yea i noticed the whilli controllers read a bit low when compared to my agptek. did you get the digital and human hair hygrometer wet towel calibrated?




Wet towel calibrated? Sorry I don't follow.


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Re: Greenhouse build [Re: TravelAgency]
    #24297947 - 05/05/17 04:13 PM (6 years, 10 months ago)

The Towel Test: Dampen a towel (not dripping wet, but good and damp), then wrap the hygrometer in the towel for 30 to 45 minutes. Then unwrap it and read the humidity (quickly). If your hygrometer is perfectly calibrated (few are) it will be reading exactly 100% humidity.


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Re: Greenhouse build [Re: Quadman]
    #24298117 - 05/05/17 05:37 PM (6 years, 10 months ago)

:takingnotes: I'll have to do that when I get home


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Re: Greenhouse build [Re: TravelAgency]
    #24308455 - 05/09/17 11:15 PM (6 years, 10 months ago)

Well I'll be damned- it's been reading about 10% high this whole time. Thanks for the tip Gr0wer- this may take some tinkering to correct.


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Re: Greenhouse build [Re: TravelAgency]
    #24308466 - 05/09/17 11:19 PM (6 years, 10 months ago)

Pro tip- didn't have a tiny screw driver- inoculation loop fit perfectly.


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Re: Greenhouse build [Re: TravelAgency]
    #24308500 - 05/09/17 11:58 PM (6 years, 10 months ago)

OP updated


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Re: Greenhouse build [Re: TravelAgency]
    #24538861 - 08/08/17 09:56 AM (6 years, 7 months ago)

Any way to vent out the window in the winter in colder climates without turning your house into an igloo? Or alternatives?

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Re: Greenhouse build [Re: Viccsd]
    #24538930 - 08/08/17 10:44 AM (6 years, 7 months ago)

Honestly just a strong enough exhaust fan should be sufficient barring sub zero temps.


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Re: Greenhouse build [Re: Viccsd]
    #24623741 - 09/12/17 02:58 PM (6 years, 6 months ago)

Quote:

Viccsd said:
Any way to vent out the window in the winter in colder climates without turning your house into an igloo? Or alternatives?




Yes, instead of using a wooden board to fit the exhaust, use a polystyrene insulation board at the highest thickness you can find. Cut it to fit the window opening exactly and add some insulation tape on the inside to keep air from entering through the cracks. You can do it on the outside as well, but I'm guessing the cold and weather will make it fall off eventually.


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