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OfflineTeaAndCrumpets
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Registered: 06/21/20
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"Hidden" contamination with bulk coir
    #26830518 - 07/18/20 10:24 AM (3 years, 6 months ago)

I'm trying to attempt my first "bulk" grow using a couple of shoeboxes. The techniques used for this are a lot different than what I'm used to (SGFC) and I had a couple of questions.

1. I've done some digging and people have mentioned "dirty spawn" as a main source of contamination when doing bulk coir. I'm going to shred some BRF cakes and use them as spawn, so how would I tell if they contained hidden contamination? They look perfectly fine but people are saying you can't always tell that you have contaminated spawn.

2. If bulk coir isn't an option because I have BRF cakes with hidden contamination, could I just shred a bunch of BRF cakes and use them in place of coir? The end result would be a shoebox filled with the same volume of substrate you'd get from colonizing coir, so I assume this would work, right? I know this is a wasteful approach and that there are better options, but I'd just like to know if this would work or not.


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InvisiblebodhisattaMDiscordReddit
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Re: "Hidden" contamination with bulk coir [Re: TeaAndCrumpets]
    #26830531 - 07/18/20 10:31 AM (3 years, 6 months ago)

Worry about it when it happens not before.
Contamination happens sometimes man. :shrug:
It will eventually happen to you so you may as well actually try a grow


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OfflineTeaAndCrumpets
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Re: "Hidden" contamination with bulk coir [Re: bodhisatta]
    #26830553 - 07/18/20 10:45 AM (3 years, 6 months ago)

Quote:

bodhisatta said:
Worry about it when it happens not before.
Contamination happens sometimes man. :shrug:
It will eventually happen to you so you may as well actually try a grow




Normally this would be my approach, but I'm out of spore syringes and only have a a few cakes left. I'm trying to avoid contamination so I can make more syringes.

I doing research on bulk coir, there was almost no consensus as to what the best way to use coir was. Some argue for pasteurization. Some say it makes no difference. A few people even sterilized their coir for some reason. Some people use casings, others say casings = contams.

I'm just trying to find the best way to avoid contaminating my tubs because I only have enough spawn for one or two shoeboxes.


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InvisiblebodhisattaMDiscordReddit
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Re: "Hidden" contamination with bulk coir [Re: TeaAndCrumpets]
    #26830555 - 07/18/20 10:48 AM (3 years, 6 months ago)

If they're bad and you can't discern it before you grow there's nothing you can do besides try em. How you grow them out won't matter much unless you add coffee or other contamination amplifiers to the mix


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Offlineredhandmat
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Re: "Hidden" contamination with bulk coir [Re: bodhisatta]
    #26830588 - 07/18/20 11:14 AM (3 years, 6 months ago)

Do like bod said. Just jump in there. If/when you get fruits, start working on agar with your prints (make spore prints with the fruits) and tissue (cloning) so you decrease the risks of contams.


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InvisibleRoger Clemency
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Re: "Hidden" contamination with bulk coir [Re: redhandmat]
    #26830604 - 07/18/20 11:25 AM (3 years, 6 months ago)

If you have cakes colonizing and want the best chance of mushrooms I'd just fruit them as cakes. Then you can take prints and clone some and you'll have plenty of material to work with to figure out bulk grows. Breaking up cakes just to fill a shoe box would just change the shape of your cakes and make them take more time and energy to recover without adding anything additional to the mix.

Bulk with coir is super simple, just bucket tek and make shoe boxes. It's best to go spores/clone to agar - grain - bulk. Any time you go syringe straight to anything it's a risk. BRF cakes seem to handle the random contaminant spores in syringes pretty well, but once you break them up they may not recover if there is something else in there.


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