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OfflineJim Morrison
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Pre-poured Agar Petri Dishes
    #22206253 - 09/08/15 08:57 AM (8 years, 4 months ago)

Has anyone ever used pre-poured agar petri dishes? I found them for about $1.80 a piece.


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Live Long and Myceliate!

The only power any government has is the power to crack down on criminals. Well, when there aren't enough criminals, one makes them. One declares so many things to be a crime that it becomes impossible for men to live without breaking laws. Ayn Rand


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InvisibleRogerSmith

Registered: 01/29/15 Happy 9th Shroomiversary!
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Re: Pre-poured Agar Petri Dishes [Re: Jim Morrison]
    #22206599 - 09/08/15 10:41 AM (8 years, 4 months ago)

You can clone your oyster on other media than agar. Agar is lab-grade stuff, optimal but not necessary. If you can manage to scope clean tissue (which is a bit hard with wild specimen, specially if it was raining on the mushroom), you can throw it in grain jar, brf flour, coffee, you name it


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OfflineJim Morrison
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Re: Pre-poured Agar Petri Dishes [Re: RogerSmith]
    #22206730 - 09/08/15 11:14 AM (8 years, 4 months ago)

Yeah I thought about doing that, but thought it would be better if I did it on agar to clean it up. I actually have someone working on the wild one I found. Just kind of wanted to experiment with doing agar for a first time.


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Live Long and Myceliate!

The only power any government has is the power to crack down on criminals. Well, when there aren't enough criminals, one makes them. One declares so many things to be a crime that it becomes impossible for men to live without breaking laws. Ayn Rand


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OfflineGr0wer
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Re: Pre-poured Agar Petri Dishes [Re: Jim Morrison]
    #22216649 - 09/10/15 12:14 PM (8 years, 4 months ago)

Buy some dishes off ebay and some agar agar powder off amazon and pick up some potatoes for PDA. You will spend a fraction of the cost and learn more. I can blow through dishes, i typically make 3-4 of each strain especially if im trying to isolate or get rid of a contam.  At $2 a pop you would run up your bill quick unless you super stingy.


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OfflineJim Morrison
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Re: Pre-poured Agar Petri Dishes [Re: Gr0wer]
    #22216665 - 09/10/15 12:19 PM (8 years, 4 months ago)

Quote:

Gr0wer said:
Buy some dishes off ebay and some agar agar powder off amazon and pick up some potatoes for PDA. You will spend a fraction of the cost and learn more. I can blow through dishes, i typically make 3-4 of each strain especially if im trying to isolate or get rid of a contam.  At $2 a pop you would run up your bill quick unless you super stingy.




I'll probably do that. There was a good grocery store agar tek on here somewhere. I'll probably follow that.


--------------------
Jim Morrison's Trade List

Live Long and Myceliate!

The only power any government has is the power to crack down on criminals. Well, when there aren't enough criminals, one makes them. One declares so many things to be a crime that it becomes impossible for men to live without breaking laws. Ayn Rand


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InvisibleToadstool5
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Re: Pre-poured Agar Petri Dishes [Re: Jim Morrison]
    #22235213 - 09/14/15 01:30 AM (8 years, 4 months ago)

My favorites:

Stros agar prep:
https://www.shroomery.org/forums/showflat.php?Cat=&Board=2&Number=18431006&fpart=&PHPSESSID=

Pastywhytes easy agar tek:
https://www.shroomery.org/forums/showflat.php/Number/19208976#19208976

Grocery store agar tek:
https://www.shroomery.org/forums/showflat.php/Number/7081785#7081785

I personally use pastywhytes tek but use square ziploc containers, blue food coloring, and pre-mix PDA powder from out-grow.com

So far i have had almost no issues other than not getting my agar/water ratio right from rushing and laziness. It is so quick and easy compared to starting from scratch.


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If you do not know where the mushroom products you are consuming are grown, think twice before eating them. :badshroom:
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OfflineCitrusSuicide
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Re: Pre-poured Agar Petri Dishes [Re: Toadstool5]
    #22235258 - 09/14/15 02:07 AM (8 years, 4 months ago)

I've used the grocery store agar tek with 0 contaminations for about 50 dishes. The airflow is so good the dishes will dry out in about 3-4 weeks if you're not carefull. I probably need to buy another oyster syringe :/

The main thing I do is I make sure that I completely dissolve any agar particles. It's annoying trying to see growth with cloudy agar. Unfortunately I don't think I wrote it down, but I was able to use  a little less water and ended up with dishes with a layer of agar that was the perfect thickness and opacity. It's really nice when they're done right.


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Offlineshroombasa
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Re: Pre-poured Agar Petri Dishes [Re: Jim Morrison]
    #22240599 - 09/15/15 10:11 AM (8 years, 4 months ago)

I'd recommend buying a mix and making your own plates instead of trying to boil potatoes or get pre-poured dishes.  I've only maybe ever poured 100 dishes myself, but if you get sterile plates in bulk you can get them around $.40 per unit with shipping included. I think RR mentions in his videos that it's not worth the time, effort, or mess to make your own PDA when 100 grams of MEA is $12-$15.


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OfflineJim Morrison
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Re: Pre-poured Agar Petri Dishes [Re: shroombasa]
    #22240681 - 09/15/15 10:32 AM (8 years, 4 months ago)

Quote:

shroombasa said:
I'd recommend buying a mix and making your own plates instead of trying to boil potatoes or get pre-poured dishes.  I've only maybe ever poured 100 dishes myself, but if you get sterile plates in bulk you can get them around $.40 per unit with shipping included. I think RR mentions in his videos that it's not worth the time, effort, or mess to make your own PDA when 100 grams of MEA is $12-$15.




That's what I'll probably end up doing is buying a mix. I think I've seen a tek where they use small canning jars. I'll probably try that. I'm going to have to wait until winter time though, when I don't have so much outside work to do.


--------------------
Jim Morrison's Trade List

Live Long and Myceliate!

The only power any government has is the power to crack down on criminals. Well, when there aren't enough criminals, one makes them. One declares so many things to be a crime that it becomes impossible for men to live without breaking laws. Ayn Rand


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