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OfflineJustweed
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Registered: 04/01/20
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Last seen: 3 months, 17 days
Most pins on edges?
    #27028415 - 11/08/20 11:11 AM (3 years, 2 months ago)

So I've been trying out Bod's unmodified tubs, but with a different type of tub (Sterilite 12 gallon 23 5/8" x 18 5/8" x 9 1/4", and Sterilite 32 quart 23 3/4" x 16" x 6 7/8".) in a 'contained' sort of environment, a grow tent that gets pressurized through a HEPA filter 3x a day to help do FAE while I'm not around, and I do manual FAE 2x a day morning and night. My tubs are on a shelf, so to do FAE, I open one side of the lid, and flap it up and down for 10-15 seconds. I've noticed that my pinset develops most evenly towards the back of my tubs, and then around the sides. I've tried cracking the lids of my tubs, but this leads to the tubs drying out, bruising, and getting a bit of overlay. Any advice on how to rectify this? I'm conflicted on why the back end gets pins and the front end doesn't. The front end of the tubs would be getting the most FAE when I flap the lids, so maybe the back is holding slightly more CO2 to help the pinset develop? However the sides are also pinning more, and those get lots of FAE when the tents get pressurized (I think, my reasoning is that the air entering and pressurizing the tents forces fresh air into the tubs under the lids). I place my subs into the tents when they are made, so they're in 'fruiting conditions' from day 1, I just don't do my little FAE flaps until they're fully colonized. My last thought is that CO2 ppm isn't building up enough because of how shallow the tubs are? I don't know if this is a thing though because shoebox tubs are also pretty shallow.

Any advice on this would be appreciated! Just trying to dial things in a bit so I can have things a bit more automated while still being as successful as possible!


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Keep 'em high and tight guys....


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OfflineJustweed
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Registered: 04/01/20
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Re: Most pins on edges? [Re: Justweed]
    #27035882 - 11/12/20 07:52 PM (3 years, 2 months ago)

https://i.imgur.com/cNLHMqj.jpg

A picture to demonstrate, this is with the bin turned around, the side closest to the wall is usually the side that's toward the 'aisle' where I flap the lids from.


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Keep 'em high and tight guys....


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OfflineJustweed
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Registered: 04/01/20
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Last seen: 3 months, 17 days
Re: Most pins on edges? [Re: Justweed]
    #27068553 - 12/02/20 04:14 PM (3 years, 1 month ago)

Proper image bump...Still running into this issue of pins mostly forming along the edges of my tubs. Any advice on this?


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Keep 'em high and tight guys....


Edited by Justweed (12/02/20 04:15 PM)


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OfflineDr.Sparkle
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Registered: 06/03/20
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Re: Most pins on edges? [Re: Justweed]
    #27068677 - 12/02/20 05:13 PM (3 years, 1 month ago)

Just had a quick read of your post, I’m not sure on the whole Martha tent and pressuring it theory for FAE, I doubt that changes much inside your tub's. You don’t need a hepa filter either it’s not a sterile environment once you are spawn running.
  I suggest staying away from those tubs and the Martha tent for the moment. Grab one of the tubs bod uses then you will be much closer to his tek. The tubs he uses are much deeper thus they have more air inside them. They are closer to 12” in height. Your tubs don’t look bad, there’s a lot worse out there! I think with a taller tub with a clear lid those shrooms would have more fresh air in between fanning and more light, which should help for a better pinset. I bet they would all be standing upright then.
You can prop the lids open slightly or flip the lids on the tubs bod uses, find a happy medium of not drying out to much in between misting and getting enough FAE.

How level are your shelves? Do they slope to the back? Could water be pooling towards the back so conditions favour the rear of the tub due to a higher moisture content.


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OfflineJustweed
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Re: Most pins on edges? [Re: Dr.Sparkle]
    #27068772 - 12/02/20 06:24 PM (3 years, 1 month ago)

Quote:

Dr.Sparkle said:
Just had a quick read of your post, I’m not sure on the whole Martha tent and pressuring it theory for FAE, I doubt that changes much inside your tub's. You don’t need a hepa filter either it’s not a sterile environment once you are spawn running.
  I suggest staying away from those tubs and the Martha tent for the moment. Grab one of the tubs bod uses then you will be much closer to his tek. The tubs he uses are much deeper thus they have more air inside them. They are closer to 12” in height. Your tubs don’t look bad, there’s a lot worse out there! I think with a taller tub with a clear lid those shrooms would have more fresh air in between fanning and more light, which should help for a better pinset. I bet they would all be standing upright then.
You can prop the lids open slightly or flip the lids on the tubs bod uses, find a happy medium of not drying out to much in between misting and getting enough FAE.

How level are your shelves? Do they slope to the back? Could water be pooling towards the back so conditions favour the rear of the tub due to a higher moisture content.



So the HEPA filter is mostly used to force air in, it's just an easy to coordinate ~400cfm fan. The tubs do get air forced in during the air exchanges, I've measure the CO2 ppm in them and there is a decent drop after the fan runs.

My tubs are about 9.5in deep, so just barely under Bod's, the tub in the image is one that I don't typically run but did to try things out, it's a bit shorter but ran into the same issue as my typical tub.

My shelves are level, so there's no water pooling in the back. Wish it was that easy of a solution :frown:

I'm now trying out Paul Stamet's advice on FAE cycles in a grow room of cubes, which is 3x an hour. I've got my fan running 3x an hour now to see how things go with that. I think because of the winter air bringing humidity down so low that I might need to supplement with a humidifier.


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Keep 'em high and tight guys....


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OfflineDr.Sparkle
Dr
Registered: 06/03/20
Posts: 127
Last seen: 2 years, 1 month
Re: Most pins on edges? *DELETED* [Re: Justweed]
    #27069079 - 12/02/20 10:16 PM (3 years, 1 month ago)

Post deleted by Dr.Sparkle

Reason for deletion: Post below says it all!


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OfflinePBJ710
Strangler

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Registered: 07/05/19
Posts: 2,623
Last seen: 18 days, 14 hours
Re: Most pins on edges? [Re: Dr.Sparkle]
    #27069218 - 12/03/20 01:11 AM (3 years, 1 month ago)

They're growing at the edges since thats where the best surface conditions are.  You do not want a fan blowing on them / near them or it will dry out the substrate.  You also shouldn't be opening and fanning an umodified tub - the lid should stay flipped to allow FAE to occur all the time.  You may want to re-read the unmodified thread as you seem to have missed some details of it that are very important for the tek to work correctly (not just the first post).  If you start modifying known good teks or start adding additional teks to your grow, it's only going to be harder to determine the cause of any issues.


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