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InvisibleSpunkyMonkey88
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Substrate shrinking
    #26337718 - 11/22/19 09:05 AM (4 years, 2 months ago)

My sub is starting to "shrink" or pull back from the sides... is this normal or is my sub drying out? I'm only 11 days into spawning it...

Here you can see the little gap it isn't much but still definitely there. I wonder If it's just from the mycelium "pulling" the loose sub together because the same thing happens in brf jars, kind of.



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OfflineTstone
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Re: Substrate shrinking [Re: SpunkyMonkey88]
    #26337730 - 11/22/19 09:11 AM (4 years, 2 months ago)

Normally, intial shrinking is from too wet prior to pins. BTW, I'd put that into fruiting. Some darker areas to the right, not terribly concerned, but guessing too wet. Let her run, you'll get mushies.


Edited by Tstone (11/22/19 09:15 AM)


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OfflinePsilo_citizen
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Re: Substrate shrinking [Re: SpunkyMonkey88]
    #26337742 - 11/22/19 09:15 AM (4 years, 2 months ago)

Yes😁

It's normal and it's, at least in part, from water being used up. I like to see small drops of moisture on my sub when it's at this stage; I can't zoom in enough on this pic without losing resolution to get an accurate read though.

If your bulk sub was at proper field capacity when you spawned the tub, I wouldn't sweat it. Your sub hasn't shrank to the point that it's worrisome and I don't see any other indicators that it's drying out like exposed coir being light brown or yellowing of the myc(can also be a sign of bacteria).


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InvisibleSpunkyMonkey88
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Re: Substrate shrinking [Re: Psilo_citizen]
    #26337747 - 11/22/19 09:19 AM (4 years, 2 months ago)

Quote:

Psilo_citizen said:
Yes😁

It's normal and it's, at least in part, from water being used up. I like to see small drops of moisture on my sub when it's at this stage; I can't zoom in enough on this pic without losing resolution to get an accurate read though.

If your bulk sub was at proper field capacity when you spawned the tub, I wouldn't sweat it. Your sub hasn't shrank to the point that it's worrisome and I don't see any other indicators that it's drying out like exposed coir being light brown or yellowing of the myc(can also be a sign of bacteria).




Ok that's good to know. I will keep an eye on it and do more reading up on what to look for but I think a lot of that just comes from experience which i have none with bulk...

Later tonight when I'm done working I will take a closer pic and maybe you could tell me what you think.

I haven't misted it yet, so I'm honestly kinda lost to when I should start..


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OfflinePsilo_citizen
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Re: Substrate shrinking [Re: SpunkyMonkey88]
    #26337770 - 11/22/19 09:29 AM (4 years, 2 months ago)

If your bulk sub was properly prepped, in most environments, misting will be unnecessary until after the first flush. Occasionally, if I've got a ridiculous canopy coming in I'll give it a mist early on, but it's usually not necessary.

Check out https://www.shroomery.org/forums/showflat.php/Number/23999053 when you get a chance.


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OfflineKmacmo
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Re: Substrate shrinking [Re: SpunkyMonkey88]
    #26337779 - 11/22/19 09:34 AM (4 years, 2 months ago)

Just use a phone torch get it up close and you should see lots of tiny balls of water ontop

If not get your mister and aim above into the air, so the mist can gently fall down and get good coverage :smile:


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InvisibleSpunkyMonkey88
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Re: Substrate shrinking [Re: Tstone]
    #26337873 - 11/22/19 10:20 AM (4 years, 2 months ago)

Quote:

Tstone said:
Normally, intial shrinking is from too wet prior to pins. BTW, I'd put that into fruiting. Some darker areas to the right, not terribly concerned, but guessing too wet. Let her run, you'll get mushies.




Theres no way it's too wet, I made it on the dry side of field capacity, introduced fae from the get go and have not misted it....


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InvisibleSpunkyMonkey88
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Re: Substrate shrinking [Re: Psilo_citizen]
    #26337877 - 11/22/19 10:21 AM (4 years, 2 months ago)

Quote:

Psilo_citizen said:
If your bulk sub was properly prepped, in most environments, misting will be unnecessary until after the first flush. Occasionally, if I've got a ridiculous canopy coming in I'll give it a mist early on, but it's usually not necessary.

Check out https://www.shroomery.org/forums/showflat.php/Number/23999053 when you get a chance.




Thanks for that link, I will just let her be for now. And I'll give that a read tonight!


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InvisibleSpunkyMonkey88
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Re: Substrate shrinking [Re: Psilo_citizen]
    #26339988 - 11/23/19 11:35 AM (4 years, 2 months ago)

Quote:

Psilo_citizen said:
Yes😁

It's normal and it's, at least in part, from water being used up. I like to see small drops of moisture on my sub when it's at this stage; I can't zoom in enough on this pic without losing resolution to get an accurate read though.


If your bulk sub was at proper field capacity when you spawned the tub, I wouldn't sweat it. Your sub hasn't shrank to the point that it's worrisome and I don't see any other indicators that it's drying out like exposed coir being light brown or yellowing of the myc(can also be a sign of bacteria).




Here are those close ups I said is get



Edited by SpunkyMonkey88 (11/23/19 11:36 AM)


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OfflinePsilo_citizen
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Re: Substrate shrinking [Re: SpunkyMonkey88]
    #26340238 - 11/23/19 01:12 PM (4 years, 2 months ago)

I would give it a light mist as kmacmo suggested. Pick a mister bottle capable of doing a fine mist and spray at an upward angle. Just a super light mist though, there's likely plenty of moisture in your sub. You just want a thin layer to promote evaporation.


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Offlineblackout
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Re: Substrate shrinking [Re: SpunkyMonkey88]
    #26340321 - 11/23/19 01:44 PM (4 years, 2 months ago)

Quote:

SpunkyMonkey88 said:
Theres no way it's too wet, I made it on the dry side of field capacity,



if you weigh it at the start you can track any moisture loss. Some talk of getting it back to the original weight after each dunk/misting but I figure weight is lost as the substrate is consumed while making mushrooms, so there should be weight loss as time goes on.


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InvisibleSpunkyMonkey88
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Re: Substrate shrinking [Re: blackout]
    #26340807 - 11/23/19 05:30 PM (4 years, 2 months ago)

Quote:

blackout said:
Quote:

SpunkyMonkey88 said:
Theres no way it's too wet, I made it on the dry side of field capacity,



if you weigh it at the start you can track any moisture loss. Some talk of getting it back to the original weight after each dunk/misting but I figure weight is lost as the substrate is consumed while making mushrooms, so there should be weight loss as time goes on.



Quote:

blackout said:
Quote:

SpunkyMonkey88 said:
Theres no way it's too wet, I made it on the dry side of field capacity,



if you weigh it at the start you can track any moisture loss. Some talk of getting it back to the original weight after each dunk/misting but I figure weight is lost as the substrate is consumed while making mushrooms, so there should be weight loss as time goes on.




Ya I actually thought about doing this but I didnt/dont have the proper scale. You would think after the first flush your sub should weigh less, about the weight of your first flush, less...not sure if itd be the weight wet or dry though...


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OfflinecronicrFacebook
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Re: Substrate shrinking [Re: SpunkyMonkey88]
    #26340905 - 11/23/19 06:10 PM (4 years, 2 months ago)

They don't shrink from moisture loss they are being eaten:willynilly:


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