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Informal Science Education Network

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Subject:
Re: Fog wall question
From:
jason jay stevens <[log in to unmask]>
Reply To:
Informal Science Education Network <[log in to unmask]>
Date:
Tue, 21 Feb 2006 11:33:52 -0600
Content-Type:
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ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
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> Using a very strong bleach can actually create a worse
> problem because a perfectly sterile surface is more likely to allow  
> the
> growth of the "bad" bacteria.  Most naturally occurring bacteria
> actually
> prevent the growth of the more nasty variety.

Drop that Clorox!!!
Is there corroboration for this?
Bleach is used everywhere for disinfection...to assert that it  
actually promotes the growth of more nefarious germs is revolutionary.

How is bacteria growth tested, anyway?

Those MythBuster fellows on TV tested toothbrushes that they  
strategically placed all around the house, to determine if putting  
your toothbrush on the back of the toilet is any worse than, for  
example, hanging it up next to the medicine cabinet or putting it  
under a bell jar in the kitchen.  They followed a scheme of using a  
different toothbrush every time they brushed, and putting it back in  
the same place.
At the end of the test period, every single toothbrush tested  
positive for fecal coliform, including the one under the bell jar.
I think they implied that they sent the brushes to a lab.

Pleasant thoughts,
Jason

JasonJayStevens
[log in to unmask]
www.potterbelmar.org/spoke

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