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johnny_poke
Brownian movement


Registered: 12/03/08
Posts: 442
Loc: Europe
Last seen: 10 years, 5 months
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Quick question - Proper application of parafilm?
#9748328 - 02/06/09 08:02 AM (15 years, 20 days ago) |
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Are you supposed to stretch it out and pull it tight as you go, or keep the tension to a minimum? I'm about to wrap some plates.
-------------------- [quote]But what our scientist does not realize is that every time he makes a measurement, the Flying Spaghetti Monster is there changing the results with His Noodly Appendage.[/quote]
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German Kahuna
Facepalmer of Stoopid



Registered: 10/31/08
Posts: 15,798
Loc: On a Chemical Vacation
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Re: Quick question - Proper application of parafilm? [Re: johnny_poke]
#9748372 - 02/06/09 08:15 AM (15 years, 20 days ago) |
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You take the petri between your thumb and you middle finger (middle finger on top, thumb on bottom. The you use your indexfinger to hold the end of the parafilm strip against the side of the dish. Then you stretch the film as you go 1/4 to 1/3 around the dish to the right with it. turn the dish and repeat until you've used the whole strip.
That's a right handed person's explanation. Once you've done it two or three times it becomes a routine move, really. Maybe practice with a dummy once, so you don't waste a potentially good culture by dropping it on your first try. Just saying.
-------------------- "Vegetarian" [ /ˌvedʒəˈteəriən/] - Ancient slang meaning "village idiot who can't hunt, fish or ride".
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johnny_poke
Brownian movement


Registered: 12/03/08
Posts: 442
Loc: Europe
Last seen: 10 years, 5 months
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Re: Quick question - Proper application of parafilm? [Re: German Kahuna]
#9748377 - 02/06/09 08:17 AM (15 years, 20 days ago) |
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Thanks Kahuna, but my dilemma remains. Do I stretch it out as I go and pull it very tight, or wrap it slightly more loosely?
EDIT: Oh, and is it OK to wrap it round... say twice?
-------------------- [quote]But what our scientist does not realize is that every time he makes a measurement, the Flying Spaghetti Monster is there changing the results with His Noodly Appendage.[/quote]
Edited by johnny_poke (02/06/09 08:21 AM)
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RogerRabbit
Bans for Pleasure



Registered: 03/26/03
Posts: 42,214
Loc: Seattle
Last seen: 1 year, 5 days
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Re: Quick question - Proper application of parafilm? [Re: johnny_poke]
#9748488 - 02/06/09 08:57 AM (15 years, 20 days ago) |
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Yes, you have to stretch it or it doesn't stick. If you stretch it too much, it breaks. You'll find the sweet spot. You want two layers. If you'll fold a 2" strip in half, you only need to wrap it around the dish 1 1/4 times so it sticks to itself. RR
-------------------- Download Let's Grow Mushrooms semper in excretia sumus solim profundum variat "I've never had a failed experiment. I've only discovered 10,000 methods which do not work." Thomas Edison
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Nibin
Getting there



Registered: 11/29/05
Posts: 4,480
Last seen: 10 years, 9 months
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Re: Quick question - Proper application of parafilm? [Re: johnny_poke]
#9748569 - 02/06/09 09:20 AM (15 years, 20 days ago) |
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It will remind you of playing with chewing gum.
Stretch it too much and it breaks but stretch it just enough and you get a huge strip.
-------------------- Newcomers guide-----> For all things shroomy
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German Kahuna
Facepalmer of Stoopid



Registered: 10/31/08
Posts: 15,798
Loc: On a Chemical Vacation
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Re: Quick question - Proper application of parafilm? [Re: johnny_poke]
#9748607 - 02/06/09 09:26 AM (15 years, 20 days ago) |
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^^^^ That's exactly how I do it. Two times around. Parafilm works through adhesion, so yes, you gotta stretch and pull it tight, otherwise it won't stick. You'll probably tear it a few times at first, because you'll try stretching it too hard, but like RR said, you'll quickly get a hang on it.
-------------------- "Vegetarian" [ /ˌvedʒəˈteəriən/] - Ancient slang meaning "village idiot who can't hunt, fish or ride".
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johnny_poke
Brownian movement


Registered: 12/03/08
Posts: 442
Loc: Europe
Last seen: 10 years, 5 months
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Re: Quick question - Proper application of parafilm? [Re: German Kahuna]
#9749005 - 02/06/09 10:45 AM (15 years, 20 days ago) |
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Cool. Thanks a lot you guys. Job done!
-------------------- [quote]But what our scientist does not realize is that every time he makes a measurement, the Flying Spaghetti Monster is there changing the results with His Noodly Appendage.[/quote]
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