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InvisibleMunchauzen
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Re: Pasty Agar Tek [Re: Pastywhyte]
    #22117542 - 08/20/15 04:40 PM (8 years, 6 months ago)

Quote:

Pastywhyte said:
Certainly the containers will be okay. But the media will be ruined unless its grain water agar or has no simple sugars. Malt, honey, Karo or dextrose in the media will be caramelized. That makes it harder for the myc to colonize and easier for bacteria to eat. Don't go 90 min for agar.




Are you certain of this? Ive PCed many plates for 90 and havent noticed this. And ive only just started using grain water.


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InvisibleInocuole
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Re: Pasty Agar Tek [Re: George Jones]
    #22117580 - 08/20/15 04:50 PM (8 years, 6 months ago)

Don't do that.

Ah, didn't see the whole new page of people saying don't do that. :thumbup:


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                            :rainbowdrink: Tea doesn't work?                            AMU  (Q & A)                  Grain prep for Intergalactic Space Oats :pes:     

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InvisiblePastywhyteMDiscord
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Re: Pasty Agar Tek [Re: Munchauzen]
    #22117719 - 08/20/15 05:25 PM (8 years, 6 months ago)

Quote:

Munchauzen said:
Quote:

Pastywhyte said:
Certainly the containers will be okay. But the media will be ruined unless its grain water agar or has no simple sugars. Malt, honey, Karo or dextrose in the media will be caramelized. That makes it harder for the myc to colonize and easier for bacteria to eat. Don't go 90 min for agar.




Are you certain of this? Ive PCed many plates for 90 and havent noticed this. And ive only just started using grain water.




Yes. Its more of a problem with LC especially plain honey or malt lc as there is no starch like there is in PDA. But its not ideal, you will see stronger growth if you don't caramelize the sugars.


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Invisiblehamloaf
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Re: Pasty Agar Tek [Re: Pastywhyte]
    #22117853 - 08/20/15 05:51 PM (8 years, 6 months ago)

First set of Mini Rounds loaded with red milo grain water agar into the sterilizer. 


Fitted the lids with a dime sized synthetic filter disk for gas exchange.


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

   
How I Get Stuff done. - My Reference Guide. - My Grows.


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OfflinetaGyo
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Re: Pasty Agar Tek [Re: hamloaf]
    #22117950 - 08/20/15 06:13 PM (8 years, 6 months ago)

Quote:

hamloaf said:
First set of Mini Rounds loaded with red milo grain water agar into the sterilizer. 


Fitted the lids with a dime sized synthetic filter disk for gas exchange.




:super:


--------------------
Gyo's Better Grows
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InvisiblePastywhyteMDiscord
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Re: Pasty Agar Tek [Re: hamloaf]
    #22118241 - 08/20/15 07:29 PM (8 years, 6 months ago)

Quote:

hamloaf said:
First set of Mini Rounds loaded with red milo grain water agar into the sterilizer. 


Fitted the lids with a dime sized synthetic filter disk for gas exchange.





Looks good loaf :rockon:


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Invisibleshroominmyroom
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Re: Pasty Agar Tek [Re: Pastywhyte]
    #22118247 - 08/20/15 07:32 PM (8 years, 6 months ago)

:flyhigh:


Edited by shroominmyroom (12/12/17 03:56 PM)


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Invisiblestareatclouds
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Re: Pasty Agar Tek [Re: shroominmyroom]
    #22119284 - 08/20/15 10:42 PM (8 years, 6 months ago)

If 2 layers of surgical tape can protect our agar from contams and survive a PC run, why do we bother with SFD in our grain jars?


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OfflineDistrict
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Re: Pasty Agar Tek [Re: stareatclouds]
    #22119346 - 08/20/15 11:02 PM (8 years, 6 months ago)

How long do the plates remain sterile? I plan on PCing the night before, store in SAB (or fridge?), and then go hunting. Will this work?


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InvisiblePastywhyteMDiscord
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Re: Pasty Agar Tek [Re: stareatclouds]
    #22119367 - 08/20/15 11:09 PM (8 years, 6 months ago)

Quote:

stareatclouds said:
If 2 layers of surgical tape can protect our agar from contams and survive a PC run, why do we bother with SFD in our grain jars?




I actually did try micropore on grain jar lids a bit. There are a few problems, with it. First is that the pore sizes are bigger with micropore so there still is a chance of a small spore like penicillium working through. But on a plate it would be easy to spot and transfer away from. This is about a 1-5% chance of happening so still not much of a vector.

The biggest issue is the grains will stick to the tape and get lodged up in the hole. This causes two problems, first it greatly restricts GE. Second it makes it much easier for bacteria to grow through the filter and contaminate the jar.

Because the media never has a chance to come into contact with these plates we do not need to worry about those two latter issues.


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Invisiblestareatclouds
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Re: Pasty Agar Tek [Re: Pastywhyte]
    #22119396 - 08/20/15 11:18 PM (8 years, 6 months ago)

Fair points, especially about noticing a contaminant on the agar and not grains.

Regarding the grains being stuck, couldn't you split the layers between the inside and outside of the lid/hole and take care of that issue?


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InvisiblePastywhyteMDiscord
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Re: Pasty Agar Tek [Re: stareatclouds]
    #22119416 - 08/20/15 11:23 PM (8 years, 6 months ago)

Maybe but by that point I had moved on to SFD and really like them. I did try square of tyvek just large enough to cover the hole and then the micropore over that to hold it all together. It worked really good but I still prefer SFDs.


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Invisiblestareatclouds
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Re: Pasty Agar Tek [Re: Pastywhyte]
    #22119445 - 08/20/15 11:30 PM (8 years, 6 months ago)

For sure. I still have enough whole SFDs to make 20 more grain jar SFDs so I'm not worried. I did make a few Muda bottles with a square of Tyvek in between the ring and lid before with success.



I wonder what the difference in micron rating is between Tyvek, SFDs and surgical tape.


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Invisiblepablokabute
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Re: Pasty Agar Tek [Re: Pastywhyte]
    #22119598 - 08/21/15 12:20 AM (8 years, 6 months ago)

Quote:

Pastywhyte said:
Quote:

stareatclouds said:
If 2 layers of surgical tape can protect our agar from contams and survive a PC run, why do we bother with SFD in our grain jars?




I actually did try micropore on grain jar lids a bit. There are a few problems, with it. First is that the pore sizes are bigger with micropore so there still is a chance of a small spore like penicillium working through. But on a plate it would be easy to spot and transfer away from. This is about a 1-5% chance of happening so still not much of a vector.

The biggest issue is the grains will stick to the tape and get lodged up in the hole. This causes two problems, first it greatly restricts GE. Second it makes it much easier for bacteria to grow through the filter and contaminate the jar.

Because the media never has a chance to come into contact with these plates we do not need to worry about those two latter issues.



:takingnotes:  :takingnotes:


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

Fermented Mushrooms!!
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OfflineDistrict
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Re: Pasty Agar Tek [Re: pablokabute]
    #22119654 - 08/21/15 12:42 AM (8 years, 6 months ago)

Does the entire plate have to covered in tin foil or just the top (as to keep the micropore from getting wet)?


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OfflinetaGyo
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Re: Pasty Agar Tek [Re: stareatclouds]
    #22119662 - 08/21/15 12:43 AM (8 years, 6 months ago)

Quote:

stareatclouds said:
For sure. I still have enough whole SFDs to make 20 more grain jar SFDs so I'm not worried. I did make a few Muda bottles with a square of Tyvek in between the ring and lid before with success.



I wonder what the difference in micron rating is between Tyvek, SFDs and surgical tape.



:rockon:,

Long time no see brotha!


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OfflineAjahn Don
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Re: Pasty Agar Tek [Re: taGyo]
    #22120900 - 08/21/15 07:07 AM (8 years, 6 months ago)

I bought 3 sheets of polyester felt at Michael's yesterday, spent two hours watching the season finale of Deadliest Catch (skipping commercials) and cut out an enormous pile of filters for jars and enough quarter-size filters to satisfy my needs for a long, long time. All for a buck. We're never going back to struggling with paper tape and Tyvek.

:rockon:


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OfflineAlphawolf
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Re: Pasty Agar Tek [Re: Ajahn Don]
    #22123000 - 08/21/15 03:14 PM (8 years, 6 months ago)

I used microspore tape on my pf tek jars and it was a big mistake normally I loose a cake or two here and there occasionally but this time I lost 90% of my jars to some blue bacteria it' made me rethink my sterile technique but luckily I was told to use this tek and I just wanted to say thx pasty for posting this and even answering the pm's I sent u now I know for shore if what I'm working with is sterile and I just love working with the agar bcause the possibilities r endless. Whether u use the mycelium from the agar to inoculate grains or by making a li or lc. Bcause of this post I can now inoculate like a thousand jars from one syringe and I just wanted to say thx


--------------------
Today a young man on acid realized that all matter is merely energy condensed to a slow vibration, that we are all one consciousness experiencing itself subjectively, there is no such thing as death, life is only a dream, and we are the imagination of ourselves. Bill hicks


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Invisibleeatyualive
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Re: Pasty Agar Tek [Re: eatyualive]
    #22124034 - 08/21/15 07:24 PM (8 years, 6 months ago)

updated with 2 tier setup.

Quote:

eatyualive said:
ok pasty check out what i been doing lately. bringing the pressure up slowly.

stack the normal rack. fill with water. place 3 wide mouth 1/2 pints. stack the 2nd rack.

put all the pasty plates on top, then put a glass/metal lid to stabilize them. pc 45 mins.

if i do 24 or more plates i do something a little different with the 2nd rack.

1 TIER




Quote:

eatyualive said:

if i do two tiers. ill put the glass 1/2 pints on the bottom of the pc(or do something similar to what you do with metal bands to raise the first rack out of the water). put the pasty plates on that rack. then stack the 2nd rack on top of those pasty plates(this holds the 1st level plates in place).  put the 2nd level of pasty plates on that. then place the glass/metal lid over the 2nd tier to hold them in place.
2 TIER






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Invisibleblackdust
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Re: Pasty Agar Tek [Re: eatyualive]
    #22125919 - 08/22/15 08:21 AM (8 years, 6 months ago)

i can get over 60 baby food jars in a PC. I through in a dozen foil balls on the bottom of the PC then add my rack, then a layer of foil, then a layer of jars, then a layer of foil, and then a layer of jars, etc, etc, etc.

these jars


this pc (presto 23 qt)



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