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WeeDude
Stranger

Registered: 11/07/11
Posts: 14
Last seen: 1 year, 1 month
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Silicon-Impregnated Perlite as Top Layer
#15907678 - 03/06/12 05:48 AM (12 years, 10 months ago) |
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I've got like 100 litres of Silicon-impregnated Perlite (it blocks water). Can I use this perlite as a layer for my cakes while theyre incubating? Last time I used dry vermiculite as layer, but it got wet after a few times of shaking the glass and contaminated. This can't be the case with the perlite, because it doesnt absorb any water and is sterile the whole time. I just doubt my 'new layer' because it might be unhealthy for the mushrooms (because of the silicon). Can anyone give me some information about this topic?
Greets from Austria, WeeDude
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Doc_T
Random Dude




Registered: 03/06/09
Posts: 42,395
Loc: Colorado
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Re: Silicon-Impregnated Perlite as Top Layer [Re: WeeDude]
#15907733 - 03/06/12 06:25 AM (12 years, 10 months ago) |
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Don't shake cakes.
Follow the tek exactly like in RR's videos, it will work. If it doesn't work, you are not doing it correctly.
-------------------- You make it all possible. Doesn't it feel good?
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BlackPeace
Self proclaimed CEO



Registered: 11/18/07
Posts: 1,069
Loc: Canada
Last seen: 1 year, 8 months
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Re: Silicon-Impregnated Perlite as Top Layer [Re: Doc_T]
#15907754 - 03/06/12 06:35 AM (12 years, 10 months ago) |
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As Doc_T said, follow the tek. And never shake (or even move uncarefully) a colonizing cake. As it colonize, the cake shrink a little and the dry verm layer get more space... Then if the verm layer moves, contam may pass throught it.
Shaking is for grain jars and it's not even needed to achieve full colonization.
As an alternative, you could investigate using a polyfil filter or a synthetic filter disk without having a dry verm filter. But if you do it that way, you will have to open you jars to inoculate them... You need to be extra sure that you have good sterile procedure. It's a good way to inoculate a cake with an agar wedge for exemple. When I give cake jar to friends, I use polyfil filters. It's foolproof (exept for the inoculation part).
good luck
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WeeDude
Stranger

Registered: 11/07/11
Posts: 14
Last seen: 1 year, 1 month
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Re: Silicon-Impregnated Perlite as Top Layer [Re: BlackPeace]
#15907832 - 03/06/12 07:18 AM (12 years, 10 months ago) |
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Thank you for your quick replies and your tips. Now I know what went wrong last time...
But one question is still unanswered: is this special kind of perlite any toxic for either the mushrooms or me when I eat them?
Greets
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BlackPeace
Self proclaimed CEO



Registered: 11/18/07
Posts: 1,069
Loc: Canada
Last seen: 1 year, 8 months
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Re: Silicon-Impregnated Perlite as Top Layer [Re: WeeDude]
#15908065 - 03/06/12 08:32 AM (12 years, 10 months ago) |
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I can't help you with this one. I supose not because silicon is a pretty solid stuff but fungi too so...
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RogerRabbit
Bans for Pleasure



Registered: 03/26/03
Posts: 42,214
Loc: Seattle
Last seen: 1 year, 10 months
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Re: Silicon-Impregnated Perlite as Top Layer [Re: WeeDude]
#15908368 - 03/06/12 10:07 AM (12 years, 10 months ago) |
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Quote:
WeeDude said:
But one question is still unanswered: is this special kind of perlite any toxic for either the mushrooms or me when I eat them?
It's irrelevant because it won't filter, so the cakes will be green before any mushrooms appear. You want dry vermiculite. RR
-------------------- Download Let's Grow Mushrooms
semper in excretia sumus solim profundum variat
"I've never had a failed experiment. I've only discovered 10,000 methods which do not work."
Thomas Edison
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