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Invisiblejosbos
Registered: 02/16/20
Posts: 170
How to use Ketchup cups instead of petri?
    #27019330 - 11/03/20 12:43 PM (4 years, 2 months ago)

Hi there!!


How can i sterilize ketchup cups to replace petri?
i am aware of mr aliens holy grail plates and pastywhytes easy agar.

This are the cups that i got:

https://www.disposablediscounter.com/media/catalog/product/cache/b354ba0c77664169e6184c974a85d221/r/e/rechthoekige-saladebakjes-108mm-125ml-propac-sausbakje-deli-container_1.jpg

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OfflineTymko
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Registered: 07/19/19
Posts: 22
Last seen: 3 years, 10 months
Re: How to use Ketchup cups instead of petri? [Re: josbos] * 1
    #27019363 - 11/03/20 12:58 PM (4 years, 2 months ago)

I'm just do this with UV lamp ~15 min before and after agar freezing.


Edited by Tymko (11/03/20 12:59 PM)

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Invisiblejosbos
Registered: 02/16/20
Posts: 170
Re: How to use Ketchup cups instead of petri? [Re: Tymko]
    #27019369 - 11/03/20 12:59 PM (4 years, 2 months ago)

can you tell me the name and model of the uv lamp?

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OfflineTymko
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Re: How to use Ketchup cups instead of petri? [Re: josbos]
    #27019390 - 11/03/20 01:06 PM (4 years, 2 months ago)

I bought a long one in my country T8 type like this:
https://aliexpress.ru/item/4000880259551.html

And my dishes in this boxes when lamp is on.


Edited by Tymko (11/03/20 01:13 PM)

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Offlinesonoramo
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Registered: 02/27/19
Posts: 950
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Re: How to use Ketchup cups instead of petri? [Re: josbos]
    #27019405 - 11/03/20 01:12 PM (4 years, 2 months ago)

Quote:

josbos said:
Hi there!!


How can i sterilize ketchup cups to replace petri?
i am aware of mr aliens holy grail plates and pastywhytes easy agar.

This are the cups that i got:

https://www.disposablediscounter.com/media/catalog/product/cache/b354ba0c77664169e6184c974a85d221/r/e/rechthoekige-saladebakjes-108mm-125ml-propac-sausbakje-deli-container_1.jpg





The image you sent appears to be a salad-bowl cover. These tend to be polystyrene (PS), which will melt and make a mess if you try to sterilize by boiling. If you're going to boil or pressure cook, the best plastic to look for is polypropylene PP5. Make sure the lid is also PP5. Often the cups and lids are different materials so that the flexibility difference produces a good seal.

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OfflineTymko
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Registered: 07/19/19
Posts: 22
Last seen: 3 years, 10 months
Re: How to use Ketchup cups instead of petri? [Re: sonoramo]
    #27019424 - 11/03/20 01:18 PM (4 years, 2 months ago)

Yeah, and better to use round form without 3d texture and with cover.

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Invisiblecoversall
إِنْ شَاءَ ٱللَهُ
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Registered: 06/06/20
Posts: 2,749
Loc: संसार
Re: How to use Ketchup cups instead of petri? [Re: Tymko]
    #27019569 - 11/03/20 02:22 PM (4 years, 2 months ago)

I found the style of sauce pot that Tymko posted has a fairly high contam rate unless you wrap them.


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Offlinediegosf
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Registered: 06/30/20
Posts: 93
Last seen: 1 year, 1 month
Re: How to use Ketchup cups instead of petri? [Re: Tymko]
    #27019587 - 11/03/20 02:29 PM (4 years, 2 months ago)

Quote:

Tymko said:
I bought a long one in my country T8 type like this:
https://aliexpress.ru/item/4000880259551.html

And my dishes in this boxes when lamp is on.






How much is the wattage of your Lamp?
How muck time do you let it turned on?


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