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Old 06-02-2011, 09:59 PM   #1
bcryan
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Apr 2011
rossland, bc
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i just bought my first diffusion stone. i just took it out of the package and was wondering if its transported with a cap over the stone for protection. it doesnt seem porous??? instructions doesn't say anything about removing anything?? anybody know what i'm talking about? cheers



 
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Old 06-02-2011, 10:03 PM   #2
hypergolic
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Jan 2011
Rapid City, SD
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The holes are small enough that you cannot see them?



 
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Old 06-02-2011, 10:20 PM   #3
Hernando
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May 2011
Denver, CO
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I would imagine the plastic cap would come off. I didn't see a single image of a diffusion stone with one on and none of them look porous. Worst case, you put the cap back on!

 
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Old 06-02-2011, 10:39 PM   #4
cfonnes
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Jun 2010
Utah
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The stone that I bought is stainless, a paper with it said not to touch it as the oil on your skin can plug the holes.

 
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Old 06-02-2011, 10:39 PM   #5
malkore
 
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Jun 2007
Nebraska
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can you blow through it?

the fine stainless aeration 'stones/wands' out there do indeed look solid.
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Old 06-02-2011, 11:13 PM   #6
scadieux
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Mar 2011
Montreal, Quebec
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Yeah I have a .5 micron. It looks solid but it isn't. Remember .5 micron is freaking small...

 
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Old 06-02-2011, 11:29 PM   #7
jdubb75
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Apr 2011
Jasper, IN
Posts: 114

Quote:
Originally Posted by scadieux
Yeah I have a .5 micron. It looks solid but it isn't. Remember .5 micron is freaking small...
To put it in perspective, .5 micron is .0005 mm or .00002 inches.

 
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Old 06-03-2011, 12:52 AM   #8
eastoak
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Jan 2011
oakland, california
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Quote:
Originally Posted by bcryan View Post
i just bought my first diffusion stone. i just took it out of the package and was wondering if its transported with a cap over the stone for protection. it doesnt seem porous??? instructions doesn't say anything about removing anything?? anybody know what i'm talking about? cheers
remove the cap before using and it is plenty porous for the O2.



 
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