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Offlineupupup
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Perlite in tub with casings: A poll
    #504049 - 12/29/01 01:36 PM (15 years, 4 months ago)

Some people use perlite in thier tubs with thier casings and some aparently do not. Your ideas/thoughts/stories are welcome.


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InvisibleOlgualion
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Re: Perlite in tub with casings: A poll [Re: upupup]
    #504053 - 12/29/01 01:47 PM (15 years, 4 months ago)

The whole point of perlite is for humidity... obviously... dude does not use perlite in his casings, he uses a cool mist. but I would recommend doing whatever is needed in order for the casings to meet the proper environmental conditions! If perlite works... use it!

People on this board are also from many different regions, each with it's own type of environment. so what one person does will not always work for another...

Oq


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Invisibledk138
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Re: Perlite in tub with casings: A poll *DELETED* [Re: upupup]
    #504086 - 12/29/01 02:39 PM (15 years, 4 months ago)

Post deleted by dk138


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Offlineupupup
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Re: Perlite in tub with casings: A poll [Re: dk138]
    #505095 - 12/30/01 07:32 PM (15 years, 4 months ago)

ok so that's two for perlite with casings. Anyone else like to get in on the "Perlite - do we dew or do we knot" question?


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Invisibleisis
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Re: Perlite in tub with casings: A poll [Re: upupup]
    #505100 - 12/30/01 07:45 PM (15 years, 4 months ago)

One against. I find it is not really needed.


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OfflineSnobrdr311
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Re: Perlite in tub with casings: A poll [Re: isis]
    #505204 - 12/30/01 09:27 PM (15 years, 4 months ago)

upup they're saying you can use it, but the fact remains that Isis is correct and that it's not needed. if you want to spend the extra $$ on it so you'll feel better then go right ahead, it probably won't hurt anything... but anyone who's grown casings knows you don't need it. the moisture from the casings provides more than enough humidity. casings don't need 95% like cakes do, they only need about 85%.

so no, the fact remains if your rummbermaid is filled with casings, you need no perlite or any extra means for humidity


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OfflineAmoeba665
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Re: Perlite in tub with casings: A poll [Re: Snobrdr311]
    #505705 - 12/31/01 09:41 AM (15 years, 4 months ago)

is it ok to lightly mist the casings? i know this is probably a stupid question that has been answered elsewhere many times, but please humor me... i'm going to case for the first time, i *have* used perlite and i'd rather not use it again because it's messy and smelly, but i'm paranoid about getting any water on anything that the pins will be growing from. is it fine as long as the water is sterilized?


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Invisibleisis
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Re: Perlite in tub with casings: A poll [Re: Amoeba665]
    #505857 - 12/31/01 02:49 PM (15 years, 4 months ago)

The casings in your tub will maintain your humidity where needed as long as the rubbermaid is not huge. You may lightly spray the casing prior to pinning, but I find this is also not necessary unless your casing looks dry. I just spray down the walls lightly once a day and that does it.
The problem with perlite with casings is that it tends to maintain you humidity high. Most of the time perlite will bring your RH to 100%. This is great for cakes but casings do not need high humidity. Actually, high humidity predisposes the casing to contaminants.You don't need it.
The water doesn't need to be sterilized. I just use bottled water.It wouldn't hurt anything if you did sterilized it. If you do mist the casing, make sure you do not spray once the pins begin to form. I hear it causes them to abort.


Edited by isis (12/31/01 02:52 PM)


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OfflineSnobrdr311
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Re: Perlite in tub with casings: A poll [Re: isis]
    #506186 - 12/31/01 09:51 PM (15 years, 4 months ago)

read this, a manual related to casing written by tripping rhino in the pictures forum, it should answer all your questions.



Moisture

I begin seeing problems in the day 5 pics. The casing layer is already too dry. It is critical to keep the casing misted in the early stages of colonization. This is the time best for being able to water the casing without spraying directly onto any (or very little) mycelium. The more moisture you keep during this time, the less misting you will need later when the casing is pinning and fruiting. Allowing it to get dry early will cause you to have to mist frequently even while fruiting if you are going to keep things remotely moist. This results in matting of the mycelium during colonization and/or abhorting of the pins during fruiting. Anno described the moisture of the coir for you. His advice comes from hands on experience. You should able to squeeze a little water out of coir when it is applied. I agree that the casings should be covered with foil until they are colonized enough to initiate pinning. This MAY pose a risk if you are not sterilizing your coir. The increased CO2 present when covered will initiate faster colonizing of the casing but will also be a better habitat for contams like cobweb. I would at least microwave the coir in a Tupperware if nothing else.

Misting

When you mist you want your sprayer on the finest mist it can provide. Hold the bottle basically upright or just slightly pointed down. Do your fanning before misting. Hold the bottle about 1-2 feet above the casing and mist. Allow the fine mist to settle down upon the casing layer instead of spraying directly on it. You may need to pull the trigger 2 or 3 times but just get a light moistening and stop. If your casing layer does not have mycelium coming through yet and it is dry, you can mist all at once. Mist coir until it first turns dark brown again. When you see it starting to lighten up?it?s drying out. If you do not see mycelium for several days you have probably got it too wet?.stop misting and give air exchange?coir dries out quick. If you have mycelium coming through large portions of the casing, it will take you a few mistings to get the moisture content back up. Do this with several small mistings spread out over the course of a day. Open the terrarium mist lightly as described above. Pay special attention to the mycelium patches. If you can see ?dew? starting to form on any of the mycelium stop misting for now and wait. After about 4-6 hours you should be able to mist again. Again do not allow too much dew to collect on the mycelium. Re-hydrating a casing in this manner can be a little tedious but will pay off versus: 1. being too dry -or- 2. misting all at once and casing matting of the mycelium. It will pay off in the long run. Again, try to keep your casing from getting to this point by maintain your moisture early.

Overlay

Overlay is over colonization of the casing layer. Overlay is undesirable because it does not leave enough uncolonized, moist casing to cover the mycelium. This defeats the purpose of having casing. The least amount of mycelium showing to give an even pinset is optimum. On to the issue of you scratching this casing?I would not have scratched that casing after you had already initiated fruiting. Hyphal knots were no doubt forming and you destroyed many of them. Ironically, this may have helped you in the case of the PF strain. It may well have relieved some of the over-pinning problem. You left plenty of hyphal knots that developed into healthy pins but I suspect the sparse regions of your casing layer were places that unknowingly got more scratching than other parts. The pins you did get did not tend to abhort because there was plenty of mycelium and moisture to develop them into full grown mushies. I cannot believe the insane pinning in that pic Anno posted of that casing?I have had over pinning with EQs?but I have never seen anything like that! With most other strains I would suggest covering those heavily colonized parts of the casing with more coir. Leave valleys in the uncolonized areas and allow the mycelium to catch up. You want to see a little mycelium evenly protruding over the entire area of the casing rather than dense colonization in only a few areas or most of the area. Or if you have excessive matting as a result of overlay, scratch and place another thin layer of casing on top wait a few days until it colonizes and then initiate fruiting. Don?t scratch after you have initiated fruiting.




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Offlineupupup
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Re: Perlite in tub with casings: A poll [Re: Snobrdr311]
    #508043 - 01/02/02 07:30 PM (15 years, 3 months ago)

Wow. Great post. That was informative. I think that is the first time I have heard how to mist in such good detial. The idea that the casings need to be watered up to their maximum holding capacity is also reflected in staments book. My own experience is that you got to feel for that balance. I think I have fucked casings up by over watering while trying to get to that optimum moisture holding capacity. Ok. Anybody else want to add to this very informative thread?


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Invisibleblahblahblah
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Re: Perlite in tub with casings: A poll [Re: upupup]
    #508079 - 01/02/02 08:10 PM (15 years, 3 months ago)

I like the picture from the Dead Kenedys better upupup. CHANGE IT BACK DAMMIT. Nuns with guns, that is just funny


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Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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