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Amazon Shop for: Agar, Parafilm, Petri Dish

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Invisibledog
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Petri Plates
    #4105916 - 04/28/05 06:44 AM (11 years, 10 months ago)

Which methods have you found to work best for sealing petri dishes after pouring and inoculating?


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InvisibleDerGeist
Completing theCycle

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Re: Petri Plates [Re: dog]
    #4105944 - 04/28/05 07:51 AM (11 years, 10 months ago)

Parafilm is the best I've see so far.. I've seen people use plastic wrap they have cut down to about a 1.5-2 inch roll section, seems like a better idea, but I could not get the roll to cut very well.

DG


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OfflineChuangTzu
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Re: Petri Plates [Re: dog]
    #4106086 - 04/28/05 09:48 AM (11 years, 10 months ago)

Scotch tape. Fast and just about the right size.


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OfflineMindzpore
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Re: Petri Plates [Re: ChuangTzu]
    #4106170 - 04/28/05 10:32 AM (11 years, 10 months ago)

best and absolutely tight is wax/paraffin, but then again, its a hassle.


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OfflineRogerRabbitM
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Re: Petri Plates [Re: Mindzpore]
    #4106295 - 04/28/05 11:21 AM (11 years, 10 months ago)

parafilm.


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Offlinescatmanrav
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Re: Petri Plates [Re: RogerRabbit]
    #4106302 - 04/28/05 11:23 AM (11 years, 10 months ago)

I cut off a two inch long peice of Glad ClingWrap (breathable) off the roll, so you now have a 2 inch wide roll of cling wrap. Easy, and you can make like 5 or 6 little rolls from one roll. I think this stuff might be parafilm? Dont know :smile:


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OfflineEightball
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Re: Petri Plates [Re: scatmanrav]
    #4107014 - 04/28/05 02:54 PM (11 years, 10 months ago)

thats what i do too.  cant afford $20 for 250 ft of parafilm.  1 thing of cling wrap produces around 1200 ft of psuedo-parafilm and like $3.
:grin:


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Offlineshirley knott
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Re: Petri Plates [Re: dog]
    #4107262 - 04/28/05 04:13 PM (11 years, 10 months ago)

hey, dog  :smile: good to see you back here.

i've tried mycopore tape, clingfilm and finally parafilm. it's really cheap on ebay, and by far the best  :thumbup:


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Offlinekilgore_trout
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Re: Petri Plates [Re: shirley knott]
    #4107674 - 04/28/05 06:12 PM (11 years, 10 months ago)

parafilm or pre-sterilized whirl-pak specimen bags


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OfflineSuntzu
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Re: Petri Plates [Re: dog]
    #4108399 - 04/28/05 08:57 PM (11 years, 10 months ago)

Parafilm is awesome, but expensive unless you can get it for free :wink:

The cling wrap and tape all sound good.  Another option that might be sufficient for some people are the larger ziplock bags.  Quite a few petris will fit in them [or just one per small bag], and they're somewhat gas permeable.  It's not as good as parafilm etc., but much better than nothing at all.  It helps to store the clean ziplocks with your 'sterile' material and isoprop. the outsides of the ones being used between openings.


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Invisibledog
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Re: Petri Plates [Re: dog]
    #4108706 - 04/28/05 10:39 PM (11 years, 10 months ago)

Many thanks for all the replies.


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Fascism (fash'izem) n. A governmental system marked by a centralized dictatorship, stringent socioeconomic controls, and often belligerent nationalism. see also: the Bush Administration.


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Offlinexburn
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Re: Petri Plates [Re: dog]
    #4109392 - 04/29/05 02:04 AM (11 years, 10 months ago)

according to http://www.fungifun.org/agar/

"You can use any wrap, as long it?s made from polyetylene."

just make sure it is because not all wraps are polytylene


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InvisibleThumpaCap
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Re: Petri Plates [Re: xburn]
    #4109787 - 04/29/05 04:43 AM (11 years, 10 months ago)

try vaccum sealing them


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Amazon Shop for: Agar, Parafilm, Petri Dish

Mushrooms, Mycology and Psychedelics >> Advanced Mycology

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