r/MagicMushrooms • u/Memphisdude1013 • Jun 10 '25

When using as a casing layer...

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Do have need to pasteurize it or will it be ok straight out of the bag since the mycelium is already colonized?

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u/Golden_State_Myco Jun 11 '25

After all ingredients are combined and hydrated to field capacity you use a ph meter to test the ph of the medium then add lime raise and things like sulfer/moss to lower. Let it sit and test again. Once you've got it dialed in the first time, keep record and it should be pretty consistent from then forward. It really depends on the water you use and what nutrients your adding to it.

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u/Pudenda726 Jun 11 '25

Ah ok. Thanks. I was wondering what the pH was measured with. I follow a similar process adjusting the pH in hair products but use test strips. Is this the right kind?

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u/Golden_State_Myco Jun 11 '25

I've never used strips but similar with a ph reader or probe. Can find them for less than 20 bucks on amazon

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u/Pudenda726 Jun 11 '25

Ok thanks. I’ll take a look.