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OfflineStromriderM
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Making grain masters from agar wegde
    #18899892 - 09/27/13 06:13 PM (10 years, 4 months ago)

Do you guys think it would be advantageous to use pint jars instead of quart jars to start new grain masters from agar wedges?

I was just thinking using smaller jars with less grain would result in faster colonization times. It's not that I am impatient I have just noticed it takes forever for a qt grain master to colonize from an agar wedge. The way I see it faster colonization is always better. What are your thoughts on this?


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Offlinecubenpete
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Re: Making grain masters from agar wegde [Re: Stromrider]
    #18899940 - 09/27/13 06:27 PM (10 years, 4 months ago)

Just shake your quart jar when at about 20-30% then growth will explode. You will have very little room in a pint jar for a shake and not much grain if you leave room at the top.


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OfflineStromriderM
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Re: Making grain masters from agar wegde [Re: cubenpete]
    #18899969 - 09/27/13 06:35 PM (10 years, 4 months ago)

Yes I always shake at about 25%


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InvisibleFrankHorrigan
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Re: Making grain masters from agar wegde [Re: Stromrider]
    #18900005 - 09/27/13 06:45 PM (10 years, 4 months ago)

Agar to grains is always a bit slower than I would prefer, but once you shake it it will take off.

I keep my jars incubated at 80-84F and they are done in two weeks.

You can also slice your wedge into multiple wedges, though it increases the risk of contam each time you open the lid.


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InvisibleFrankHorrigan
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Re: Making grain masters from agar wegde *DELETED* [Re: Stromrider]
    #18900007 - 09/27/13 06:46 PM (10 years, 4 months ago)

Post deleted by FrankHorrigan

Reason for deletion: oops, double post



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InvisibleHypnotoadCroaked
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Re: Making grain masters from agar wegde [Re: Stromrider]
    #18900014 - 09/27/13 06:48 PM (10 years, 4 months ago)

Quote:

psillyshroomer said:
Do you guys think it would be advantageous to use pint jars instead of quart jars to start new grain masters from agar wedges?





Not a bit.  I think you would be surprised at how fast an agar transfer colonizes.  On the 11th of this month I did my first agar xfer.  It was an ms agar grow out to verify "good".  The jars were at 100% last weekend.  Hands down the fastest I have ever had that many jars colonize so fast in unison.  Every one of them was colonized at the same speed.


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OfflineStromriderM
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Re: Making grain masters from agar wegde [Re: HypnotoadCroaked]
    #18900017 - 09/27/13 06:50 PM (10 years, 4 months ago)

I have done agar to grain so I know how long it takes. I guess g2g will spoil you with how fast it is :shrug:


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OfflineStromriderM
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Re: Making grain masters from agar wegde [Re: FrankHorrigan]
    #18900022 - 09/27/13 06:52 PM (10 years, 4 months ago)

Quote:

FrankHorrigan said:
Agar to grains is always a bit slower than I would prefer, but once you shake it it will take off.

I keep my jars incubated at 80-84F and they are done in two weeks.

You can also slice your wedge into multiple wedges and put them into one jar.




Maybe I need to build me one of you tit incubators. My colonization temps are about 68 or 70.


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OfflineRogerRabbitM
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Re: Making grain masters from agar wegde [Re: Stromrider] * 1
    #18900248 - 09/27/13 07:38 PM (10 years, 4 months ago)

I wouldn't go over 80F in the room, especially if you have a lot of jars.  Remember, glass is an insulator so it's warmer in the jar than outside.
RR


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OfflineBlake_Shroom
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Re: Making grain masters from agar wegde [Re: RogerRabbit]
    #18900623 - 09/27/13 08:50 PM (10 years, 4 months ago)

When I have my tit incubator set up, its only for petris. Otherwise, I have a lot of bacteria.

I would suggest a qrt jar master grain, then G2G into 10 qrt jars, G2G 9 of them into spawn bags, and refridge the extra until needed :thumbup:

Or just make sure you have a consistent cycle going so you have myc at every stage to keep a consistent harvest


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Re: Making grain masters from agar wegde [Re: Blake_Shroom]
    #18900974 - 09/27/13 10:31 PM (10 years, 4 months ago)

Oh help me Rhonda, I am tripping tonight!

Oh yeah I just threw some agar into a master jar. Slow Slow Slow is the way I shook her.


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Re: Making grain masters from agar wegde [Re: Sockadin]
    #18901198 - 09/28/13 12:24 AM (10 years, 4 months ago)

My TiT sits nicely at 80F.

It was at 86F for a month and a half (oops), during that time I had zero contam issues :shrug:

I wouldn't recommend going that high though. 80F is perfect IMO.

I don't think heat causes contams. Contams cause contams. Heat can damage your mycelium though.


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Yes, you can bump my old threads with a question.
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Frank's tips and tricks. Updated on 3/21/14
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Invisibleuncle_rico
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Re: Making grain masters from agar wegde [Re: FrankHorrigan]
    #18901240 - 09/28/13 12:52 AM (10 years, 4 months ago)

It never gets cold here and I try to find the coolest place in the house for colonizing grain jars.

If my jars get over 80 F, any bacteria present really comes to life.


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OfflineStromriderM
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Re: Making grain masters from agar wegde [Re: uncle_rico]
    #18901442 - 09/28/13 03:38 AM (10 years, 4 months ago)

Thanks for all your input everyone :smile:


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InvisibleFrankHorrigan
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Re: Making grain masters from agar wegde [Re: uncle_rico]
    #18902282 - 09/28/13 10:54 AM (10 years, 4 months ago)

Quote:

uncle_rico said:
If my jars get over 80 F, any bacteria present really comes to life.




If any bacteria is present in your jars, they are contam'd at any temp :facepalm:



Good luck psilly!


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Yes, you can bump my old threads with a question.
Here is how I get things done.
You should take a look. :hehehe:


Frank's tips and tricks. Updated on 3/21/14
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OfflineStromriderM
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Re: Making grain masters from agar wegde [Re: FrankHorrigan]
    #18902296 - 09/28/13 10:57 AM (10 years, 4 months ago)

Quote:

FrankHorrigan said:
Quote:

uncle_rico said:
If my jars get over 80 F, any bacteria present really comes to life.




If any bacteria is present in your jars, they are contam'd at any temp :facepalm:



Good luck psilly!




Agreed. Thank you sir

Btw frank galindoi is going on agar today! :cool:


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OfflineRogerRabbitM
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Re: Making grain masters from agar wegde [Re: Stromrider]
    #18902821 - 09/28/13 01:21 PM (10 years, 4 months ago)

The fact is, running an appropriate temperature for the species is very important.  If we're growing E coli, we'd use a warmer temperature near our own body temp in order to favor the organism we want to grow.  If we wanted to grow thermophilic bacteria, we'd run around 90F to 100F.

Most mushroom mycelium will grow fastest at around 80F.  However, that can also stimulate competitor organisms.  It's not just about sterilization because the material we use for filters is rarely 100% effective, especially those crappy postage stamp filters on spawn bags.  We need to assume that contaminants will get into our media at some point and adjust temperature and other parameters to compensate.

For example, my Shiitake blocks spend three to four months in the bag before stripping the bags off to fruit.  To compensate, I keep my colonization area at 60F to 65F, which means slightly slower colonization times, but substantially lower contamination rates during that three to four months.

For cubes, a temperature of 75F to 80F gives the best performance since even on a petri dish there is no increase in lateral colonization speed above 81F, and it begins to decline in speed at 83F.  Temps above this amount stimulate molds while throttling back the cubensis.
RR


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OfflineBlake_Shroom
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Re: Making grain masters from agar wegde [Re: RogerRabbit]
    #18903012 - 09/28/13 02:21 PM (10 years, 4 months ago)

Well I was going to say something similar to that, but you definitely said it better.


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Invisiblecynical bastad
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Re: Making grain masters from agar wegde [Re: Blake_Shroom]
    #18903104 - 09/28/13 02:48 PM (10 years, 4 months ago)

:takingnotes:


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OfflineStromriderM
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Re: Making grain masters from agar wegde [Re: cynical bastad]
    #18903178 - 09/28/13 03:12 PM (10 years, 4 months ago)

Thank you for that rr


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