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OfflineBanshee
wannabepsilocybe

Registered: 06/23/01
Posts: 402
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Last seen: 6 years, 5 months
Monotubs > A Question about FAE and hole sizes.
    #11741564 - 12/30/09 04:42 AM (15 years, 21 days ago)

I´ve recently made 2 monotubs.

2 inches of substrate depth, plan on going uncased or cased lightly with vermiculite.

My question is:

Are 12 holes (6 at substrate level & 6 on the top) with a diameter of 3/5 inches each enough for a 18 quart container?

Thank you!

ps. I´m just worried that I will have to do some manual fanning at least once a day, which is not really a worry but that is why I´m asking... :confused:

Thanks beforehand.


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OfflineBanshee
wannabepsilocybe

Registered: 06/23/01
Posts: 402
Loc: no mans land
Last seen: 6 years, 5 months
Re: Monotubs > A Question about FAE and whole sizes. [Re: Banshee]
    #11741566 - 12/30/09 04:43 AM (15 years, 21 days ago)

all this considering I have a fan going in the room, oscillating.. a few minutes per day.


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OfflineBanshee
wannabepsilocybe

Registered: 06/23/01
Posts: 402
Loc: no mans land
Last seen: 6 years, 5 months
Re: Monotubs > A Question about FAE and whole sizes. [Re: Banshee]
    #11742913 - 12/30/09 02:04 PM (15 years, 21 days ago)

I´m bumping this again... sorry. :smile:


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OfflineNoBrainNoPain
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Registered: 03/27/09
Posts: 427
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Re: Monotubs > A Question about FAE and whole sizes. [Re: Banshee]
    #11743007 - 12/30/09 02:21 PM (15 years, 21 days ago)

For what my noob's opinion is worth, you would prefer having more substrate depth than 2"…

And for the holes… you should be okay, but mist and fan never hurt :tongue:


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InvisibleDoc_T
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Re: Monotubs > A Question about FAE and whole sizes. [Re: NoBrainNoPain]
    #11743017 - 12/30/09 02:24 PM (15 years, 21 days ago)

I'm not going to calculate the area of the holes, you can do that yourself.
But if it's enough, you'll get mushrooms. If you don't, you need more.


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Offlinepockets le peu
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Registered: 11/19/09
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Re: Monotubs > A Question about FAE and whole sizes. [Re: Banshee]
    #11743018 - 12/30/09 02:24 PM (15 years, 21 days ago)

im assuming you are you using polyfill.  but 12 hole for a 18qt is way too many(even at 3/5"), all one would need is 4@ 1 1/4 at the bottom/sub level and 2@ 1 1/2" at the top(thats my measurements, but there is definently a tolerance to play with.  also you can adjust fae by packing the holes tighter with polyfill if your rh is falling.  whatever works right?


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pressure can do two things, bust pipes and make diamonds. 
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OfflineBanshee
wannabepsilocybe

Registered: 06/23/01
Posts: 402
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Re: Monotubs > A Question about FAE and whole sizes. [Re: Banshee]
    #11743093 - 12/30/09 02:38 PM (15 years, 21 days ago)

Thanks for the quick replies...

Quote:

I'm not going to calculate the area of the holes, you can do that yourself.
But if it's enough, you'll get mushrooms. If you don't, you need more.




The area of the holes in all would sum up to 22 inches squared...
(0.6' * Pi)* 12 = 22' sq. Would that be enough?

And yes, I´m using polyfill holes, you are right about the loosening and tightening... although I think they are just snug.  The 2 inch substrate results in that I´m following a fellow shroomerites method to see if I can get good results, except I haven´t asked him what his total hole area is, or how loose his polyfill is.


Quote:

i do 2in but you can do up to 4 after that it dosent afect the yeaild



3.first flush 3oz



1st flush 2 3/4oz




as you can see he has 12 holes, and these are 20 quart monos.


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OfflineNoBrainNoPain
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Re: Monotubs > A Question about FAE and whole sizes. [Re: Doc_T]
    #11743104 - 12/30/09 02:40 PM (15 years, 21 days ago)

Quote:

Doc_T said:
I'm not going to calculate the area of the holes, you can do that yourself.
But if it's enough, you'll get mushrooms. If you don't, you need more.




Now you get me curious…

Is there a rule of optimal hole area somewhere lost in a obscure thread, or is it the good old "try & adjust"?

Something that say "you need X FAE, you have that surface and that volume, so you have to cut Y holes of Z diameter"? :tongue2:

I mean, you can find tons of holes receipt here, but if one knows the optimal growth parameters for cubes, it could be achieved more precisely than "whatever works between 4 and 20 holes of between 0.5 and 3cm with or without polyfill"… :grin:


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InvisibleDoc_T
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Re: Monotubs > A Question about FAE and whole sizes. [Re: NoBrainNoPain]
    #11743157 - 12/30/09 02:49 PM (15 years, 21 days ago)

I don't there's an optimal size, it's an environmental thing. You want as much FAE as you can get, but you have to maintain humidity.
But any monotub tek that has hole sizes gives you the answer you want if you follow the tek. If you are out on your own, you are out on your own. Y'know?


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OfflineBanshee
wannabepsilocybe

Registered: 06/23/01
Posts: 402
Loc: no mans land
Last seen: 6 years, 5 months
Re: Monotubs > A Question about FAE and whole sizes. [Re: NoBrainNoPain]
    #11743168 - 12/30/09 02:51 PM (15 years, 21 days ago)

I don´t think there is a perfect formula for this... you would have to consider soooo many factors.

Temperature
Humidity outside the chamber, which will determine the constant at which your substrate or monotub per volume of air exchanged.
Hole sizes
Air pressure on different sides of the chamber causing an in/out-flow of air, generally caused by circulating air.
Snugness of the polyfill, would need to be a new quantifiable magnitude.
And many other minor determinants...


EDIT:

I just see myself fanning the hell out of my monotub and spraying water, only thinking that the polyfill will provide some air exchange when I´m not taking off the lid. argg.. I have 2 maybe I could leave one be, and the other just the one I play with.


--------------------

The Universal Spirit is within.

Edited by Banshee (12/30/09 02:54 PM)

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Offlinepockets le peu
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Registered: 11/19/09
Posts: 147
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Re: Monotubs > A Question about FAE and whole sizes. [Re: Doc_T]
    #11743178 - 12/30/09 02:53 PM (15 years, 21 days ago)

give your tubs a dry(moist coir/straw no spawn no pasturizing) run and add as needed.


--------------------
pressure can do two things, bust pipes and make diamonds. 
what are you!?

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OfflineBanshee
wannabepsilocybe

Registered: 06/23/01
Posts: 402
Loc: no mans land
Last seen: 6 years, 5 months
Re: Monotubs > A Question about FAE and whole sizes. [Re: pockets le peu]
    #11743188 - 12/30/09 02:55 PM (15 years, 21 days ago)

Quote:

pockets le peu said:
give your tubs a dry(moist coir/straw no spawn no pasturizing) run and add as needed.




are you suggesting some sort of late casing?


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The Universal Spirit is within.

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Offlinepockets le peu
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Registered: 11/19/09
Posts: 147
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Re: Monotubs > A Question about FAE and whole sizes. [Re: Banshee]
    #11743210 - 12/30/09 03:00 PM (15 years, 21 days ago)

well a dry run is impossible being that your tub is occupied already.  u may just have to work with this run for what its worth then do some adjusting for the next round.


--------------------
pressure can do two things, bust pipes and make diamonds. 
what are you!?

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Invisibledaytripper05
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Re: Monotubs > A Question about FAE and whole sizes. [Re: Banshee]
    #11743219 - 12/30/09 03:02 PM (15 years, 21 days ago)

Quote:

Banshee said:
I just see myself fanning the hell out of my monotub and spraying water, only thinking that the polyfill will provide some air exchange when I´m not taking off the lid. argg.. I have 2 maybe I could leave one be, and the other just the one I play with.




It was really hard for get in the mindset of 'set and forget' with monotubs and similar containers. When using smaller tubs, I use a double-tub configuration. You take an identical tub (that will serve as the top) with holes drilled in opposite locations as the bottom, and tape on top of the the other one.

Like this... http://www.shroomery.org/forums/showflat.php/Number/11536604

This way you are forced not to touch it and if you need to mist a little, I just remove some polyfil and squirt in a couple holes. I kinda did my own this with the holes and didn't follow a tech and it worked fine. Also check out Doc_T's mini-monotub shotgun hybrid for smaller holes.

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Offlinepockets le peu
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Registered: 11/19/09
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Re: Monotubs > A Question about FAE and whole sizes. [Re: pockets le peu]
    #11743236 - 12/30/09 03:05 PM (15 years, 21 days ago)

well if you have no other choice then instead of trashing them, remove some uncolonized sub off the top and expose the myc some, see if it pins.


--------------------
pressure can do two things, bust pipes and make diamonds. 
what are you!?

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OfflineBanshee
wannabepsilocybe

Registered: 06/23/01
Posts: 402
Loc: no mans land
Last seen: 6 years, 5 months
Re: Monotubs > A Question about FAE and whole sizes. [Re: pockets le peu]
    #11743480 - 12/30/09 03:43 PM (15 years, 21 days ago)

Quote:

pockets le peu said:
well if you have no other choice then instead of trashing them, remove some uncolonized sub off the top and expose the myc some, see if it pins.




no no! my tubs are colonizing pretty well right now. Checked them 3 days ago (they´ve been colonizing for a week at 60ºF) and they were about 50% done.  I´m not trying to get them to pin just yet!

Im just worried about FAE for fruiting.


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Offlinefundamentalchair
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Registered: 07/13/09
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Re: Monotubs > A Question about FAE and whole sizes. [Re: Banshee]
    #11743856 - 12/30/09 04:43 PM (15 years, 21 days ago)

I run with 4 1" holes @ sub level filled with poly, and a 100mm^2 hole on the top with a computer fan hooked up. I run 2 timers, 1 for 12/12 light and another for 10 mins of FAE every 4 hours during light, and 5 mins of FAE every 4 for dark. Have to mist twice daily.

Oddly, only tubs with a casing layer will fruit under those conditions.


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