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Old 10-07-2007, 10:32 PM   #1
CodeRage
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Default Home made malt agar

Hey guys, I had that wyeast pack to store and I was bored so figured I would try something. I cooked up some home made agar. 1 Cup of water, 1/3 cup of DME, 1/8 tsp of yeast nutrient, and one packet of gelatin. Poured it into 3 'contemporary' mason jars (had enough for 4 actually). Its all cooling now. Probably will innoculate them in the next hour or so. What do you all think?

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Old 10-07-2007, 11:05 PM   #2
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Pardon my ignorance, but what is agar??

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Old 10-08-2007, 03:09 AM   #3
CodeRage
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Its kind of like a nutrient rich jello you can culture bacteria, mold, and fungus on.

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Old 10-08-2007, 03:12 AM   #4
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Quote:
Originally Posted by Virtuous
Hey guys, I had that wyeast pack to store and I was bored so figured I would try something. I cooked up some home made agar. 1 Cup of water, 1/3 cup of DME, 1/8 tsp of yeast nutrient, and one packet of gelatin. Poured it into 3 'contemporary' mason jars (had enough for 4 actually). Its all cooling now. Probably will innoculate them in the next hour or so. What do you all think?
Ahmmm. Sorry, no comment.....
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Old 10-08-2007, 03:56 AM   #5
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Quote:
Originally Posted by OldFarmer
Ahmmm. Sorry, no comment.....
You're just as useless as tits on a boar j/k
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Old 10-08-2007, 03:41 PM   #6
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It should work fine. It is basically what I do. I weigh out my DME (60 gms/liter) dissolve that and then add 20 gms of agar (2% final conc. wt/vol). Slap it in the autoclave and pour into pertri plates when cool enough. The yeast grow fine.

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Old 10-08-2007, 04:28 PM   #7
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Yeah, autoclaving is a must. You can use a pressure cooker, just leave it in there for 60-90 min. Make sure your technique is sterile.

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