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OfflineJadis
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Petri Dish Condensation?
    #8152668 - 03/16/08 09:04 AM (16 years, 9 months ago)

I have a ton of condensation in my petri dish. Luckily it's all kinda-small "dots" of water so they aren't clumping together and don't move around when I turn the dish or anything.

But is this just because I poured my agar when it was still pretty hot?


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Invisiblenorml840
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Re: Petri Dish Condensation? [Re: Jadis]
    #8152694 - 03/16/08 09:12 AM (16 years, 9 months ago)

yep.....next time let it cool down a bit more.

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OfflineRogerRabbitM
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Re: Petri Dish Condensation? [Re: norml840]
    #8152706 - 03/16/08 09:16 AM (16 years, 9 months ago)

Cool the agar until just before it's too thick to pour. In addition, be sure to stack the dishes in a vertical configuration for colonization. Temperature differential causes condensation, so both the hot agar, and also the heat produced by the mycelium will cause condensation. Stacking the dishes helps prevent condensation from the latter by equalizing the temperature.
RR


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OfflineJadis
..Just waituntil you seethe bats!
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Re: Petri Dish Condensation? [Re: RogerRabbit]
    #8152710 - 03/16/08 09:20 AM (16 years, 9 months ago)

Thanks guys.


--------------------
Do you realize that everyone you know someday will die?
And instead of saying all of your goodbyes,
Let them know you realize that life goes fast.
It's hard to make the good things last.
You realize the sun don't go down;
It's just an illusion caused by the world spinnin' round.

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