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InvisibleFlashBang
Stranger
Registered: 02/16/24
Posts: 45
How much Gypsum in coir
    #28673608 - 02/24/24 03:03 AM (10 months, 17 days ago)

How much Gypsum do you mix into coir? I saw 5-10%. that seemed very high. Has to be dry weight right? Does that mean if the coir brick was 600g, then 30-60g Gypsum? Brand new to coir. Found some teks, but couldn't find this info.


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"If you want to experiment do so at your own peril or joy but please do not assume that you are going to discover a new ground-breaking way of doing things." -Hitchhikers guide.

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InvisibleGoatrider
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Registered: 04/08/20
Posts: 4,801
Loc: Germany
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Re: How much Gypsum in coir [Re: FlashBang]
    #28673617 - 02/24/24 03:43 AM (10 months, 17 days ago)

If i have some on hand i use it.
Not needed though, but if you wanna use it
10% is way overboard.
For a 600-650gr brick just grab a small hand of gypsum and done.
Iยดd say ~3%.

      :cookiemonster:


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InvisibleCultiV8
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Registered: 08/16/14
Posts: 333
Loc: k and keyยฟ
Re: How much Gypsum in coir [Re: Goatrider]
    #28673620 - 02/24/24 04:02 AM (10 months, 17 days ago)

one small handful per tub. it's hard to use too much and impossible to use too little. don't overthink it :thumbup:

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OfflineSofaking420
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Registered: 02/09/18
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Re: How much Gypsum in coir [Re: CultiV8]
    #28673627 - 02/24/24 04:31 AM (10 months, 17 days ago)

I use a tablespoon in enough coir to halfway fill a 5 gallon bucket

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Offlinefiddle_head
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Registered: 08/05/08
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Re: How much Gypsum in coir [Re: Sofaking420]
    #28673629 - 02/24/24 04:42 AM (10 months, 17 days ago)

Quote:

Sofaking420 said:
I use a tablespoon in enough coir to halfway fill a 5 gallon bucket




This is about what I do for 1 brick if I were doing it. I don bother with that shit though. CaSO4 I feel takes too long to break down at least to be useful for most cubes. great for tomatoes.


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OfflineYahra
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Registered: 03/06/23
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Re: How much Gypsum in coir [Re: fiddle_head]
    #28673648 - 02/24/24 05:11 AM (10 months, 17 days ago)

Quote:

great for tomatoes.



:whathesaid:

Save your gypsum for your plants. You'll get more value out of it this way.

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OfflineSofaking420
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Registered: 02/09/18
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Re: How much Gypsum in coir [Re: fiddle_head]
    #28675103 - 02/25/24 06:09 AM (10 months, 16 days ago)

I agree. I've done so many runs where I've forgotten it and the only time I use it now is in my grain water, when I remember.

I've been on the same bag of gypsum since 2017 and it's still half full.

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