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Amazon Shop for: Calcium Carbonate, Coir, Oyster Shell, Peat, Vermiculite, pH Test Strips

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Registered: 02/27/03
Posts: 287
Last seen: 7 years, 8 months
calcium carbonate
    #1917333 - 09/15/03 03:56 AM (13 years, 5 months ago)

Is it really necessary in a casing mixture? any comments? what about crushed oyster shell? I read the guides, but does anyone have any personal opinions?

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creator ofworlds

Registered: 04/11/03
Posts: 693
Loc: Florida
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Re: calcium carbonate [Re: xwave3000]
    #1917343 - 09/15/03 04:06 AM (13 years, 5 months ago)

My friend uses coir and it works fine without any ph buffer. However, if you use any peat based mixture, it is necessary 'cause the peat is a little too acidic. Also, as your mushies grow they make the casing more acidic, so calcium carbnate is good to use in any casing mixture, but it is not absolutely necessary with coir.

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Registered: 05/16/03
Posts: 1,148
Loc: Australia
Re: calcium carbonate [Re: Demiurge]
    #1917403 - 09/15/03 05:23 AM (13 years, 5 months ago)

I just go 60% coir & 40% vermiculite as lime additives (in my findings) makes a dense clay casing that trashes the job. I haven't as yet seen any acidity drama, evidenced by pest fauna even to the 4th flush.

Here's a 5th Flush pic I just took. Note the new pins on it, merging the 5th flush to a 6th. More than likely, the large numbers of pins will result in small shrooms, but there's no drama to acidity. Case is left in a shopping bag to see what happens.

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Cubensis seeker

Registered: 12/27/02
Posts: 653
Loc: Earth
Last seen: 6 years, 9 months
Re: calcium carbonate [Re: Starter]
    #1917591 - 09/15/03 09:44 AM (13 years, 5 months ago)

its good to use so that the ph is stable. I used oyster shells from the pet store and it shows to work very good. I would recomend to use this for sure..


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Amazon Shop for: Calcium Carbonate, Coir, Oyster Shell, Peat, Vermiculite, pH Test Strips

Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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