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OfflineLennybernadino
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Size of hole for gas exchange with tyvek
    #24498602 - 07/21/17 02:08 PM (3 years, 9 months ago)

I know this information is somewhere but i could not find it with search, I am going to do quart rye spawn jars and will be making holes in the lids and silicone on a tyvek filter, My question is how big should the hole be for ideal levels if gas exchange without drying out the rye?


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OfflinemushboyM
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Re: Size of hole for gas exchange with tyvek [Re: Lennybernadino]
    #24498607 - 07/21/17 02:09 PM (3 years, 9 months ago)

i stab my jar lids with a screw driver. 1 hole. use a small square of tyvek to cover hole.
use micropore tape to cover the tyvek/hole. i dont think you use silicon on tyvek.


Edited by mushboy (07/21/17 02:17 PM)


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OfflineMr.Mushie402
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Re: Size of hole for gas exchange with tyvek [Re: mushboy]
    #24498620 - 07/21/17 02:15 PM (3 years, 9 months ago)

1/4 inch. Are you using silicone for a ship? Otherwise what i do is use the lid and mark a circle on the tyvek. Cut out that circle on the outer edge of the mark you made. Set that circle on the lid and screw the ring on over it.


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OfflineLennybernadino
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Re: Size of hole for gas exchange with tyvek [Re: Mr.Mushie402]
    #24498779 - 07/21/17 03:42 PM (3 years, 9 months ago)

No rings here. only standard jelly jar lids. I will inoc some with LI and some with millet filled pasty plates. So one standard fat nail hole, with tyvek held in place by micro-pore and that is sufficient GE, It certainly won't dry out the substrate/


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OfflineMr.Mushie402
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Re: Size of hole for gas exchange with tyvek [Re: Lennybernadino]
    #24498967 - 07/21/17 05:04 PM (3 years, 9 months ago)

Yeah just tape the tyvek on then. I just grab my 1/4 inch drill bit and pop it through. Never ever have i had a ge problem with this method. A large nail should be sufficient, i hear of people doing that all the time. I would opt for the screwdriver though if it was me. Leaves a bit larger hole than a nail.
Regardless, any of those methods will work. Good luck


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Re: Size of hole for gas exchange with tyvek [Re: Mr.Mushie402]
    #24500083 - 07/22/17 02:39 AM (3 years, 9 months ago)

Ya dont be a dummy like me went and.bought 4 packs of plastic lids and had my seed pre prepped to just load so I hurry.and added holes with this fiskar tool cooked 32.jars waited to cool.then g2gd and now two weeks later.no growth im wondering whats going on then I realize the ge hole can barely fit a.pen tip in.it lol


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Re: Size of hole for gas exchange with tyvek [Re: spore-ty]
    #24500164 - 07/22/17 04:34 AM (3 years, 9 months ago)

Quote:

spore-ty said:
Ya dont be a dummy like me went and.bought 4 packs of plastic lids and had my seed pre prepped to just load so I hurry.and added holes with this fiskar tool cooked 32.jars waited to cool.then g2gd and now two weeks later.no growth im wondering whats going on then I realize the ge hole can barely fit a.pen tip in.it lol



Supposedly you can use a unmodified plastic lid for your grain jars.
I won't be trying that though.I'm getting contams around the edges of my no pour plates.

Its kinda common for the edges of dishes to contam that's one of the reasons you shouldn't let plates grow out to the edges but I'm only getting contams around the edges of my no pour plates that have unmodified lids.

With agar it doesn't matter much you just transfer away from the contams.
Its all visable.

With a grain jar its a whole different story contams coming through the edge of a lid will lead to a very unhappy mycologist.

The only reason I go into this rant tho is to say that a small hole for GE in your plastic lids is probably not what caused your jars not to grow or stall.

You should look into your inoculant or maybe your grain prep. Idk.

Even with lack of sufficient GE you should still get a good amount of growth before the jar stalls. Especially with g2g. There should still be air in the jar after all.


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Edited by gizmo1 (07/22/17 04:40 AM)


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Offlinemushpunx
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Re: Size of hole for gas exchange with tyvek [Re: Lennybernadino]
    #24500213 - 07/22/17 05:59 AM (3 years, 9 months ago)

Quote:

Lennybernadino said:
I know this information is somewhere but i could not find it with search, I am going to do quart rye spawn jars and will be making holes in the lids and silicone on a tyvek filter, My question is how big should the hole be for ideal levels if gas exchange without drying out the rye?




I use either ones 1/2 " hole for quart jars, or two 1/4" holes. It won't dry anything out.

If you mean silicone as an injection port, I'd skip it. If you're going to work with grains you're going to have to learn to open jars :lol:


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OfflineLennybernadino
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Re: Size of hole for gas exchange with tyvek [Re: mushpunx]
    #24500228 - 07/22/17 06:47 AM (3 years, 9 months ago)

Can I find a good article about opening jars somewhere in the advanced mycology forum , perhaps? For me the whole point of getting tyvek was to replace micro-pore, I feel micr-pore offers high airflow resistance/ not so great filtration ability, If I use both tyvek and micr-pore even less gas exchange, Oh well I guess it is enough. The reason I was going to use silicone is because I was not going to use mico-pore.


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Offlinemushpunx
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Re: Size of hole for gas exchange with tyvek [Re: Lennybernadino]
    #24500309 - 07/22/17 08:59 AM (3 years, 9 months ago)

Quote:

Lennybernadino said:
Can I find a good article about opening jars somewhere in the advanced mycology forum , perhaps? For me the whole point of getting tyvek was to replace micro-pore, I feel micr-pore offers high airflow resistance/ not so great filtration ability, If I use both tyvek and micr-pore even less gas exchange, Oh well I guess it is enough. The reason I was going to use silicone is because I was not going to use mico-pore.




Yea tyvek makes a good lid, use two layers, and if you can get it, cut tyvek from then inexpensive painter's suits you can get at hardware stores instead of postal tyvek.
Cut a square bigger than the lid, place over the lid and put the band on. Cut the excess tyvek. It should be nice and snug, it'll hold the lid and band together .

Its not advanced mycology.
What you should be researching is how to properly build and utilize a Still Air Box (SAB). By keeping the air still and not moving any unsterilized objects or your hands over the top of open jars, you can open the lids without contamination settling in.

Its a skill you need to learn if you plan on working with grain.
Once you are familiar with how to use a SAB you can start culturing on agar.
If you inoculate your grains with a clean agar wedge you can be sure you will have clean spawn, which is KEY to bulk growing.

It sounds kinda daunting, but its really easy once you read up on it!


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OfflineLennybernadino
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Re: Size of hole for gas exchange with tyvek [Re: mushpunx]
    #24500398 - 07/22/17 10:40 AM (3 years, 9 months ago)

I have built a few SAB's in my time, I was merely looking for the ideal size of hole for tyvek because I never worked with tyvek before, I got some fancy tyvek from my round of shamelessly requesting free samples. When somebody mentioned the amazing concept of learning how to open a Jar That set my imagination on fire and was wondering where I could find info and this "opening a jar" tek that of course must be advanced mycology. (maybe joking)

I am just trying out some teks I never used before, blenderless LI, spawning with a plate of spores germinated on millet, tiger dropping, etc. Just to see how it works. I just like trying everything because I love to play with mycelium.


Edited by Lennybernadino (07/22/17 10:47 AM)


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Offlineberserkbadger
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Re: Size of hole for gas exchange with tyvek [Re: Lennybernadino]
    #24500507 - 07/22/17 11:49 AM (3 years, 9 months ago)

Tyvek filters let me down a few times. I've since switched to polyfill like Frank  used in his teks.

I drill a 6 to 8mm hole and stuff that as tight as I can and pull it through with pliers.

I even use them for my no pour plates and they Rock solid and reusable for many pressure cooker runs as there is no adhesive holding the filter on


Edited by berserkbadger (07/22/17 11:50 AM)


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OfflineLennybernadino
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Re: Size of hole for gas exchange with tyvek [Re: berserkbadger]
    #24500637 - 07/22/17 01:25 PM (3 years, 9 months ago)

Polyfill huh? It's simplicity to use and world wide distribution (cut open a pillow anywhere on the world) , and you are sayig it is a more reliable filter material than Tyvek?


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Re: Size of hole for gas exchange with tyvek [Re: Lennybernadino]
    #24500676 - 07/22/17 01:50 PM (3 years, 9 months ago)


Quart jars with plastic lids/SFDs (2nd photo) gallon jars with plastic lids/SFDs, and a set of quart jars with metal lids/Tyvek filters

Quote:

Lennybernadino said:
Polyfill huh? It's simplicity to use and world wide distribution (cut open a pillow anywhere on the world) , and you are sayig it is a more reliable filter material than Tyvek?





I wouldn't say more reliable, 2 layers of tyvek from a painter's suit or wrist sleeves makes a solid filter.
But Polyfill is great too, I like to use it with plastic lids so they're one piece (with lid and band they won't stay together with polyfill, you have to be careful not to drop the lid).
They're both fine choices.



I use Syntheric Filter Discs for the most part, the proper size to be popped up underneath an autoclaveble plastic lid with 1/2 hole drilled.
I use these for my master jars, and I use polyfill or tyvek for my G2G recievers


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Edited by mushpunx (07/22/17 01:51 PM)


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Offlineberserkbadger
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Re: Size of hole for gas exchange with tyvek [Re: mushpunx]
    #24500748 - 07/22/17 02:37 PM (3 years, 9 months ago)

It's whatever you prefer really. I think poly just ends up being a thicker filter which helps because it's more for potential mould spores to get through.

The pore size on other materials can change depending if it is stretched or not.

Sfds are the best they just cost too much where I'm from :frown:


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Offlineediddy
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Re: Size of hole for gas exchange with tyvek [Re: berserkbadger]
    #24502555 - 07/23/17 12:27 PM (3 years, 9 months ago)

1/4" hole and a piece of tyvek works well for me. I can get a 1' wide x 8' long piece of the gem from a building supply store for about 2 bucks. Just ask for a piece cut off the roll


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Offlineediddy
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Re: Size of hole for gas exchange with tyvek [Re: ediddy]
    #24502558 - 07/23/17 12:28 PM (3 years, 9 months ago)

**tyvek not gem lol damn autocorrect


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Offlineediddy
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Re: Size of hole for gas exchange with tyvek [Re: berserkbadger]
    #24502562 - 07/23/17 12:32 PM (3 years, 9 months ago)

1/4" hole and a piece of tyvek works well for me. I can get a 1' wide x 8' long piece of the gem from a building supply store for about 2 bucks. Just ask for a piece cut off the roll


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Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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