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OfflineJaredTheJeweler
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Monotub side/bottom pinning
    #18768153 - 08/28/13 12:05 PM (10 years, 5 months ago)

I have a monotub of mazatapec going in a clear 18 gallon monotub with a 3 inch substeate depth wrapped in a white trash bag (only one available at that time) and only about 15 pins on top but 100+ on the bottom. The tub maintains 99% humidity and stays around 75-77 degrees.  There are some side pins but im not too worried about those. I've read through the forums and have only come across mixed opinions and no results after applying the advice given.

I have a few options that i would like to test in order to help out my little buddies stuck on the bottom.

1. Flip the entire tub on its side to relieve the pressure from the bottom pins but leave trash bag on to maintain the same environment. This will be very tricky.

2. Flip substrate upside down and remove trash bag.

3. Leave substrate as is but provide lighting to both top and bottom of substrate.

Please leave your opinion on which option you think would work the best, or add your own opinion! Im always open to suggestions.


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InvisibleStygianKnight
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Re: Monotub side/bottom pinning [Re: JaredTheJeweler]
    #18768185 - 08/28/13 12:17 PM (10 years, 5 months ago)

4. leave it alone and readjust after harvest. 
Your bottom shrooms will look funny but have the strength to lift the whole substrate so don't worry about them being squished.

They clearly like the side environment better, try and duplicate that on the top.


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OfflineJaredTheJeweler
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Re: Monotub side/bottom pinning [Re: StygianKnight]
    #18768220 - 08/28/13 12:25 PM (10 years, 5 months ago)

Thanks for the response.
Do you think i should flip the substrate after harvest and dunking the substrate?


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InvisibleStygianKnight
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Re: Monotub side/bottom pinning [Re: JaredTheJeweler]
    #18768760 - 08/28/13 02:58 PM (10 years, 5 months ago)

While you could, I see no reason. 
It's not a problem with your substrate but your environment.
Stuff your bottom holes more to raise the surface level RH and evaporation.


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OfflineStromriderM
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Re: Monotub side/bottom pinning [Re: StygianKnight]
    #18768774 - 08/28/13 03:03 PM (10 years, 5 months ago)

Just out of curiousity did you have that tub to where light could reach the bottom when you put it into fruiting?


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Offlinemastercultivator
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Re: Monotub side/bottom pinning [Re: Stromrider]
    #18768781 - 08/28/13 03:07 PM (10 years, 5 months ago)

Quote:

psillyshroomer said:
Just out of curiousity did you have that tub to where light could reach the bottom when you put it into fruiting?




Well yes there if there is enough light for pinning it will occur, even on the bottom.
You might want to use a couple layers of black plastic and make sure light doesn't shine on the bottom of the substrate containers.  Otherwise you might get tons of bottom pins.


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OfflineStromriderM
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Re: Monotub side/bottom pinning [Re: mastercultivator]
    #18768835 - 08/28/13 03:22 PM (10 years, 5 months ago)

Quote:

mastercultivator said:
Quote:

psillyshroomer said:
Just out of curiousity did you have that tub to where light could reach the bottom when you put it into fruiting?




Well yes there if there is enough light for pinning it will occur, even on the bottom.
You might want to use a couple layers of black plastic and make sure light doesn't shine on the bottom of the substrate containers.  Otherwise you might get tons of bottom pins.




I was asking because if the op had the tub sitting on the floor than light did not reach the bottom and therefore was not a pinning factor. There has been some discussion on here lately on the effects of light on pinning. That is why I was asking the ques.


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InvisibleStygianKnight
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Re: Monotub side/bottom pinning [Re: Stromrider]
    #18768871 - 08/28/13 03:30 PM (10 years, 5 months ago)

Quote:

mastercultivator said:
Well yes there if there is enough light for pinning it will occur, even on the bottom.



Nope.
For cubes light is a very weak pinning trigger.
The main trigger being consolidation followed by evaporation.

Bottom growth illustrates this well.  It will often move very slow until one finally pushes up the substrate and then they all explode thanks to the fresh air.


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OfflineJaredTheJeweler
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Re: Monotub side/bottom pinning [Re: Stromrider]
    #18768881 - 08/28/13 03:34 PM (10 years, 5 months ago)

A very small amount of indirect light was able to reach the bottom. Nothing i was worried about though because it was so little. I allowed the tub to consolidate for 4 days before i noticed all of the bottom pins btw
ill also make sure to use a thick black plastic liner next time.


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Offlinemastercultivator
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Re: Monotub side/bottom pinning [Re: StygianKnight]
    #18768896 - 08/28/13 03:37 PM (10 years, 5 months ago)

Condensation and evaporation was definitely still happening between the substrate and container and the bottom.  Light is a necessary pinning trigger.  No light = no pins.


Quote:

StygianKnight said:
Quote:

mastercultivator said:
Well yes there if there is enough light for pinning it will occur, even on the bottom.



Nope.
For cubes light is a very weak pinning trigger.
The main trigger being consolidation followed by evaporation.

Bottom growth illustrates this well.  It will often move very slow until one finally pushes up the substrate and then they all explode thanks to the fresh air.




--------------------
:mushroom2::mushroom2::mushroom2::mushroom2::mushroom2:
I'm awesome sauce with a dash of sunshine.



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OfflineStromriderM
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Re: Monotub side/bottom pinning [Re: JaredTheJeweler]
    #18768916 - 08/28/13 03:43 PM (10 years, 5 months ago)

Quote:

JaredTheJeweler said:
A very small amount of indirect light was able to reach the bottom. Nothing i was worried about though because it was so little. I allowed the tub to consolidate for 4 days before i noticed all of the bottom pins btw
ill also make sure to use a thick black plastic liner next time.




Light is definitely a pinning trigger. The discussion has been just how big of a pinning trigger it is. I for one think it is a bigger pinning trigger than a lot of people on here give it credit for.

Next time use a black plastic liner for sure :thumbup:


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OfflineStromriderM
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Re: Monotub side/bottom pinning [Re: Stromrider]
    #18768939 - 08/28/13 03:48 PM (10 years, 5 months ago)

Oh and btw op:
I forgot to put a liner in a tub I spawned a while back and I had the tub stacked on top of another. It got a lot of light to the bottom so I ended up with tons of bottom pinning. I just left it alone and let them grow.

Once they looked about mature I tilted the tub and carefully let the substrate tilt over into my hand so that I could get to the bottom. I proceeded to harvest all of my pitiful looking squished mushrooms. Oh well. They they eat just the same


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OfflinePhosCap
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Re: Monotub side/bottom pinning [Re: Stromrider]
    #18768975 - 08/28/13 03:53 PM (10 years, 5 months ago)

Quote:

psillyshroomer said:
Quote:

JaredTheJeweler said:
A very small amount of indirect light was able to reach the bottom. Nothing i was worried about though because it was so little. I allowed the tub to consolidate for 4 days before i noticed all of the bottom pins btw
ill also make sure to use a thick black plastic liner next time.




Light is definitely a pinning trigger. The discussion has been just how big of a pinning trigger it is. I for one think it is a bigger pinning trigger than a lot of people on here give it credit for.

Next time use a black plastic liner for sure :thumbup:




I believe RR said that the main pinning trigger is FAE.

You can grow these mush in very dim lighting


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OfflineStromriderM
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Re: Monotub side/bottom pinning [Re: PhosCap]
    #18768984 - 08/28/13 03:54 PM (10 years, 5 months ago)

:facepalm: I never said it was the main pinning trigger! Just forget it


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InvisibleStygianKnight
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Re: Monotub side/bottom pinning [Re: mastercultivator]
    #18768995 - 08/28/13 03:55 PM (10 years, 5 months ago)

Back to the point, the plastic liner is not to block light but to shrink with the substrate.
In this case it sounds like it didn't.

Quote:

mastercultivator said:
Light is a necessary pinning trigger.  No light = no pins.



Again, nope.
Light is useful for sure, but not a big trigger.
(You can grow in pitch dark, and keep tubs in holding in bright light.)


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OfflinePussyFart
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Re: Monotub side/bottom pinning [Re: Stromrider]
    #18769009 - 08/28/13 03:57 PM (10 years, 5 months ago)

My jars and tube colonize and fruit both in the same light, direct/intense 6500K on a 12/12.

I get 0 invitro pinning, and no early pinning unless there is a contam present.

No idea what this means, just my experience.


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OfflinePhosCap
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Re: Monotub side/bottom pinning [Re: Stromrider]
    #18769014 - 08/28/13 03:58 PM (10 years, 5 months ago)

:rolleyes:


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