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Amazon Shop: Agar, Petri Dish

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InvisibleSumGuy
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Registered: 07/26/01
Posts: 556
excess water on petris
    #702343 - 06/26/02 07:51 AM (15 years, 1 month ago)

when there's excess water on your dishes of agar (from condensation) is it normal for it to dry up and leave what looks like a residue? BAH!


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-SumGuy :cool:


Edited by SumGuy (06/26/02 07:52 AM)


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InvisibleSumGuy
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Registered: 07/26/01
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Re: excess water on petris [Re: SumGuy]
    #704521 - 06/27/02 03:57 AM (15 years, 1 month ago)

Can anyone answer this please? I dont mean to be a chump I know it's only been a day ... I'm assuming it's just the minerals that were in the spring water that are left behind when the excess water evaporated out of the dish.. Only reason I dont think it's bacteria or another mold is because it's not growing past the point of where the water was. Does anyone else get this? ( ANNO , JOSHUA , ROADKILL)??


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-SumGuy :cool:


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Offlinepowderfinger
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Registered: 06/02/02
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Re: excess water on petris [Re: SumGuy]
    #706285 - 06/27/02 07:47 PM (15 years, 1 month ago)

It is not a problem to have excess water on the top. If the water has dried up though it sounds like you don't have a tight seal on them. Did you tape the lids on? How many peatries did you inoculate?


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Shelter me from the powder and the finger,
cover me with the thought that pulled the trigger.


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OfflineAnnoA
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Re: excess water on petris [Re: SumGuy]
    #706798 - 06/27/02 11:44 PM (15 years, 1 month ago)

I don?t have this problem, since I keep my petris at cooler temperatures(room temperature) and never get condensation.


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InvisibleSumGuy
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Registered: 07/26/01
Posts: 556
Re: excess water on petris [Re: powderfinger]
    #706936 - 06/28/02 02:55 AM (15 years, 1 month ago)

I understand it's not a problem to have excess water on the top but sometimes it gets on the actual agar ... the person wanted the condensation to dry out so it was a happy environment and when it was just right that's when they seal them... It's been done many times before but sometimes when the water dries out it leaves a residue on the agar.. Plus there was excess water from what it was innoculated with (tissue samples that were stored in water) Only 3 petries were innoculated ... this person really didn't even expect the tissue samples to recover they were in storage for over a month but they seem to be recovering nicely... Thanks for your responses.


--------------------
-SumGuy :cool:


Edited by SumGuy (06/28/02 02:56 AM)


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Anonymous

Re: excess water on petris [Re: SumGuy]
    #710196 - 06/29/02 06:35 AM (15 years, 1 month ago)

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Mushrooms, Mycology and Psychedelics >> Advanced Mycology

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