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Amazon Shop: Coir, Gypsum, pH Test Strips, Vermiculite

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Offlinedeathw
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How much gypsum?
    #11224983 - 10/11/09 05:27 AM (8 years, 8 months ago)

How much gypsum do you recommend adding to a sub mix of

1 brick of coir (about 8qts)
1 qt of coffee
1 qt of verm
1 gallon of water

Thanks


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Offlinemordah
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Re: How much gypsum? [Re: deathw]
    #11225085 - 10/11/09 06:44 AM (8 years, 8 months ago)

one cup or 250ml of gypsum, thought im just guessing. And remember that there is no right or wrong in preparation of your bulk 

noob


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OfflineCDub
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Re: How much gypsum? [Re: mordah]
    #11225090 - 10/11/09 06:50 AM (8 years, 8 months ago)

you've got 10quarts total substrate which breaks down to 40cups. Gypsum should equal 5-10% of your total substrate mix. Use 2-4cups(5-10%) Gypsum for that mix.


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OfflineDelcasa88
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Re: How much gypsum? [Re: CDub]
    #11225222 - 10/11/09 08:53 AM (8 years, 8 months ago)

You're not supposed to include verm quantities when calculating your gypsum amounts because verm has no influence on acidity/pH-levels.

disclaimer:
this is not my own knowledge, just what I've picked up here on shroomery


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InvisibleMrPinkFloyd
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Re: How much gypsum? [Re: Delcasa88]
    #11225280 - 10/11/09 09:27 AM (8 years, 8 months ago)

I use that mix.  I use a quart of gypsum.  In my experience, you'll need more than a gallon of water. 

You'll also probably want to use some straw if available.  I throw some composted manure in there too.


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OfflineThyrax
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Re: How much gypsum? [Re: MrPinkFloyd]
    #11225382 - 10/11/09 10:07 AM (8 years, 8 months ago)

use 5-10% of gypsum


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OfflineRogerRabbitM
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Re: How much gypsum? [Re: Thyrax]
    #11225623 - 10/11/09 11:17 AM (8 years, 8 months ago)

1/2 to 1 quart of gypsum, but I'd add three or four quarts of verm, not 1.  Add water as necessary to get field capacity and pasteurize.
RR


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Invisiblemister
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Re: How much gypsum? [Re: RogerRabbit]
    #11225665 - 10/11/09 11:29 AM (8 years, 8 months ago)

so my 1/3 cup of gypsum is not enough then....interesting.


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Amazon Shop: Coir, Gypsum, pH Test Strips, Vermiculite

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