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Invisiblepsylopsycho
Motivational Speaker
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Registered: 06/22/08
Posts: 503
Loc: The Tundra
PH Question
    #8699169 - 07/29/08 07:53 PM (16 years, 5 months ago)

Can someone refer me where to look for info on PH.

For example, what I need to know to achieve the right ph for my casings.

I need to know how to test ph & what not.

Any good links?


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Someone actually said: "some 1 told me to try long brown rice and water and vermiculite and pressure cook for 1 hour i did but nothing happen that is y was wonting to no if i need spores ""

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OfflineMHbound
Ballin Out At All Cost
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Registered: 09/24/07
Posts: 6,512
Loc: Under The Rainbow
Last seen: 7 years, 9 months
Re: PH Question [Re: psylopsycho]
    #8699222 - 07/29/08 08:04 PM (16 years, 5 months ago)

Quote:

Roger Rabbit said:
Actually, gypsum contains calcium which raises pH, and sulfur which lowers pH, resulting in a buffer that prevents wild swings in either direction.

We use lime to raise the pH only for the reason that mushroom mycelium is more tolerant of a high pH than mold mycelium is. Both mushroom and mold mycelium grow best in a pH of around 5.5 to 6, but since mushroom mycelium can tolerate the higher pH, we do that so our casing layer favors it over molds. I use 1 teaspoon of hydrated lime per cup of peat. Don't figure the verm when calculating lime. Use gypsum at 5% to 10% by volume of the amount of peat. In other words, for ten cups of peat, use 1/2 to 1 cup of gypsum. As said above, always mix the dry ingredients first, then add water.

Gypsum, as I said, prevents swings in either direction, but the commercial growers long ago realized that it also increases disease resistance and also increases the size of the mushrooms by providing valuable trace nutrients and minerals.
RR




Lime is used to raise PH. It needs to be around 7-8.


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OfflineMHbound
Ballin Out At All Cost
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Registered: 09/24/07
Posts: 6,512
Loc: Under The Rainbow
Last seen: 7 years, 9 months
Re: PH Question [Re: MHbound]
    #8699228 - 07/29/08 08:05 PM (16 years, 5 months ago)

Sorry to double post, but I'm leaving and I gotta hurry and write this.

You can buy PH strips at walmart that will do you just fine. There are digital ones, but there is no need for them. You mix the stuff in with your casings to raise PH.


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Invisiblepsylopsycho
Motivational Speaker
Male

Registered: 06/22/08
Posts: 503
Loc: The Tundra
Re: PH Question [Re: MHbound]
    #8699245 - 07/29/08 08:10 PM (16 years, 5 months ago)

Quote:

MHbound said:
Sorry to double post, but I'm leaving and I gotta hurry and write this.

You can buy PH strips at walmart that will do you just fine. There are digital ones, but there is no need for them. You mix the stuff in with your casings to raise PH.




Thanks.


--------------------


Someone actually said: "some 1 told me to try long brown rice and water and vermiculite and pressure cook for 1 hour i did but nothing happen that is y was wonting to no if i need spores ""

Extras: Filter Print Post Top
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