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Offlinesquanchingstation
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Registered: 05/12/19
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Substrate not turning white in a monotub?
    #26384758 - 12/16/19 09:34 AM (4 years, 1 month ago)

Hey guys,

I am growing in a monotub and for some reason I can't get the substrate to turn white. I get white spots/patches here and there, I am still getting a decent flush but I am not understanding why the substrate doesn't turn white like everyone else's?

I use 50% coco coir, 50% verm, coffee grounds, and I add enough water so that the substrate drips liquid when squished tight. I put down a layer of substrate, then a layer of spawn, then cover it with more substrate.

What am I doing wrong? I've seen some people mix spawn with the substrate instead of using layers. Is that what I am missing, or is it something else? :confused:

I appreciate everyone's feedback! :thumbup:


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Offlinenewtomyc
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Re: Substrate not turning white in a monotub? [Re: squanchingstation]
    #26384760 - 12/16/19 09:36 AM (4 years, 1 month ago)

Pictures could help diagnose your problem.


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JJ

Draw unto others as they have been drawn to you.... WSP


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OfflineCybin_man
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Re: Substrate not turning white in a monotub? [Re: newtomyc]
    #26384778 - 12/16/19 09:45 AM (4 years, 1 month ago)

I think most people do mix it all together rather than layering, maybe that’s why they look different to you. But you should post a pic to be sure, but if you are getting decent flushes there is nothing to worry about really.


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Offlinesquanchingstation
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Registered: 05/12/19
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Re: Substrate not turning white in a monotub? [Re: Cybin_man]
    #26384798 - 12/16/19 09:56 AM (4 years, 1 month ago)

Thanks guys!

I will post pics when I get home tonight.

The substrate looks fine, no contamination, just small white mycelium patches.

I am getting good flushes, I was just wondering why the entire substrate doesn't turn white as I've seen people with solid white cakes in their monotubs which isn't the case for me. I will try mixing next time. :thumbup:


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Invisiblegizmo1
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Re: Substrate not turning white in a monotub? [Re: squanchingstation]
    #26384841 - 12/16/19 10:23 AM (4 years, 1 month ago)

Its probably got some bacteria keeping it from fully colonizing before fruiting.

How are you preparing or pasteurizing the sub?
Why are you using 50/50 coir verm? Not saying it's wrong just curious.

When you use coffee grounds you must properly pasteurize. Even then it will usually contam because coffee is brewed at around 200⁰F. This is basically in the sterilization temp range and kills of the good microbes needed for open air spawning. Atleast this is how I understand it in my mind.
Instead try soaking you grains in weak coffee water or leave the coffee out all together.

I'd cut back on verm use also. Ita not 100% necessary and is imo a little expensive. I only use it to adjust sub to field capacity after bucket taking.

Your definition Of field capacity is a little loose and it sounds like you are over hydrating. Would you mind elaborating A little more on much moisture you use. When you squish it are you squeezing a


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Offlinesquanchingstation
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Re: Substrate not turning white in a monotub? [Re: gizmo1]
    #26385065 - 12/16/19 12:35 PM (4 years, 1 month ago)

Quote:

gizmo1 said:
Its probably got some bacteria keeping it from fully colonizing before fruiting.

How are you preparing or pasteurizing the sub?
Why are you using 50/50 coir verm? Not saying it's wrong just curious.

When you use coffee grounds you must properly pasteurize. Even then it will usually contam because coffee is brewed at around 200⁰F. This is basically in the sterilization temp range and kills of the good microbes needed for open air spawning. Atleast this is how I understand it in my mind.
Instead try soaking you grains in weak coffee water or leave the coffee out all together.

I'd cut back on verm use also. Ita not 100% necessary and is imo a little expensive. I only use it to adjust sub to field capacity after bucket taking.

Your definition Of field capacity is a little loose and it sounds like you are over hydrating. Would you mind elaborating A little more on much moisture you use. When you squish it are you squeezing a





I prepared the sub in a 5 gallon bucket - by adding coco brick, verm, coffee and then pouring boiling water over it, then let it sit overnight with a lid on. Holes on the monotub are covered with a pore tape. Would it be better to pressure cook the substrate in a grow bag?

Using 50/50 cococoir and verm because that seems to be the most popular recipe after reading random threads on these forums.

Thanks for the tips, I'll try to use less verm next time and I'll avoid using coffee grounds (however I am already soaking the grains in coffee water).

In regards to hydration, I just keep adding water to the bucket (with cococoir brick and verm) until I can pick up handful of substrate and squeeze it with full force and see water ooze.

Thanks a ton!


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Invisiblegizmo1
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Re: Substrate not turning white in a monotub? [Re: squanchingstation]
    #26385195 - 12/16/19 01:48 PM (4 years, 1 month ago)

Quote:

squanchingstation said:
Quote:

gizmo1 said:
Its probably got some bacteria keeping it from fully colonizing before fruiting.

How are you preparing or pasteurizing the sub?
Why are you using 50/50 coir verm? Not saying it's wrong just curious.

When you use coffee grounds you must properly pasteurize. Even then it will usually contam because coffee is brewed at around 200⁰F. This is basically in the sterilization temp range and kills of the good microbes needed for open air spawning. Atleast this is how I understand it in my mind.
Instead try soaking you grains in weak coffee water or leave the coffee out all together.

I'd cut back on verm use also. Ita not 100% necessary and is imo a little expensive. I only use it to adjust sub to field capacity after bucket taking.

Your definition Of field capacity is a little loose and it sounds like you are over hydrating. Would you mind elaborating A little more on much moisture you use. When you squish it are you squeezing a





I prepared the sub in a 5 gallon bucket - by adding coco brick, verm, coffee and then pouring boiling water over it, then let it sit overnight with a lid on. Holes on the monotub are covered with a pore tape. Would it be better to pressure cook the substrate in a grow bag?

Using 50/50 cococoir and verm because that seems to be the most popular recipe after reading random threads on these forums.

Thanks for the tips, I'll try to use less verm next time and I'll avoid using coffee grounds (however I am already soaking the grains in coffee water).

In regards to hydration, I just keep adding water to the bucket (with cococoir brick and verm) until I can pick up handful of substrate and squeeze it with full force and see water ooze.

Thanks a ton!



The way you are doing it in a bucket is fine as long as you leave out the coffee grounds.

50/50 was in the user name of the guy that first posted the bucket tek it has nothing to do with the ratio. You want to use about 2 quarts of verm to a brick of coir. Or as much as it takes to adjust to field capacity.

You definetly have too much moisture if water is gushing out when squeezed. This probably has alot to do with why your sub isn't fully colonized. You want to see maybe 3-5 drops of water come out when you squeeze a handful.

Hope these tips help you out but we can better help point you in the right direction once pics are up. I'll try to check back later.
Goodluck :thumbup::mushroom2:


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Edited by gizmo1 (12/16/19 01:50 PM)


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OfflineA.k.aM
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Registered: 10/27/19
Posts: 16,782
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Re: Substrate not turning white in a monotub? [Re: gizmo1]
    #26385443 - 12/16/19 04:14 PM (4 years, 1 month ago)

I’d bet it’s just a lower spawn ratio with not enough colonization time.

Doing shoeboxes I had been doing a quart of spawn to a quart of coir and putting it straight to fruiting and the sub would be myc covered.

Recently to test an lc I only used a pint of spawn and put it straight to fruiting I wasn’t thinking or I would’ve let it run the sub for a few days since it’s less spawn than normal.

Anyways I saw very little myc on the surface until knots showed up.


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