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Shop: Mushroom-Hut Liquid Cultures   North Spore Bulk Substrate, Injection Grain Bag

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OfflineA.k.aM
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Pasteurize vs sterile sub for using grain spawn
    #27135720 - 01/08/21 04:32 PM (3 years, 19 days ago)

I’ve got lions mane, king oyster, black pearl, chestnut and grey oysters on grain right now.


So far my only experience is a king oyster shoebox with hwfp/coir, and lions mane spawn mixed with hwfp and crammed into grocery bags.

This time I have a flowhood and filter bags, and bran to supplement the pellets. Previously I just either dumped boiling water into a bucket with the hwfp or hydrated them and then pasteurized in a jar which was injected with lc.


Everything did fine before but do I need to sterilize the sub this time since I’m using bran? It seems like if pasteurized manure is ok then bran should be too but idk.


I’m having trouble finding good threads so far.


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OfflineSHROOMSISAY01M
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Re: Pasteurize vs sterile sub for using grain spawn [Re: A.k.a]
    #27135740 - 01/08/21 04:38 PM (3 years, 19 days ago)

Just sterilize and make sure you have success.


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OfflineMephistophelian
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Re: Pasteurize vs sterile sub for using grain spawn [Re: SHROOMSISAY01]
    #27136500 - 01/08/21 10:07 PM (3 years, 19 days ago)

With bran you generally need to stay with sterilizing. Basically every other sub type you can get away with pasteurizing until you add bran. This is going way back, but I believe it's because of endospores that bite you later if it's just pasteurizing.

I tried bran supplement on pasteurized sub and it didn't end well. You got filter bags anyway, so it's an easy sterilize.


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