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josbos
Registered: 02/16/20
Posts: 134
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How to use Ketchup cups instead of petri?
#27019330 - 11/03/20 12:43 PM (3 years, 2 months ago) |
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Tymko
Stranger

Registered: 07/19/19
Posts: 22
Last seen: 2 years, 10 months
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Re: How to use Ketchup cups instead of petri? [Re: josbos] 1
#27019363 - 11/03/20 12:58 PM (3 years, 2 months ago) |
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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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josbos
Registered: 02/16/20
Posts: 134
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Re: How to use Ketchup cups instead of petri? [Re: Tymko]
#27019369 - 11/03/20 12:59 PM (3 years, 2 months ago) |
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can you tell me the name and model of the uv lamp?
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Tymko
Stranger

Registered: 07/19/19
Posts: 22
Last seen: 2 years, 10 months
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Re: How to use Ketchup cups instead of petri? [Re: josbos]
#27019390 - 11/03/20 01:06 PM (3 years, 2 months ago) |
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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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sonoramo
Contaminant



Registered: 02/27/19
Posts: 851
Loc: California, baby!
Last seen: 6 hours, 17 minutes
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Re: How to use Ketchup cups instead of petri? [Re: josbos]
#27019405 - 11/03/20 01:12 PM (3 years, 2 months ago) |
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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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Tymko
Stranger

Registered: 07/19/19
Posts: 22
Last seen: 2 years, 10 months
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Re: How to use Ketchup cups instead of petri? [Re: sonoramo]
#27019424 - 11/03/20 01:18 PM (3 years, 2 months ago) |
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Yeah, and better to use round form without 3d texture and with cover.
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coversall
إِنْ شَاءَ ٱللَهُ



Registered: 06/06/20
Posts: 2,749
Loc: संसार
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Re: How to use Ketchup cups instead of petri? [Re: Tymko]
#27019569 - 11/03/20 02:22 PM (3 years, 2 months ago) |
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I found the style of sauce pot that Tymko posted has a fairly high contam rate unless you wrap them.
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diegosf
scientific dreamer



Registered: 06/30/20
Posts: 93
Last seen: 2 months, 10 days
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Re: How to use Ketchup cups instead of petri? [Re: Tymko]
#27019587 - 11/03/20 02:29 PM (3 years, 2 months ago) |
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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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