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Pet Forum / Aquaria / Plants / September 2003



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O2 cylinder to CO2

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-=Almazick=- - 27 Sep 2003 04:35 GMT
Is it ok to use O2 cylinder for CO2?
JR - 27 Sep 2003 04:55 GMT
NO..

JR,
-=Almazick=- - 27 Sep 2003 06:08 GMT
Are you sure.  The reason I'm asking that I can get a free Cylinder with
valve and everything from my grand father.  :( Are you sure that it won't
work?
> NO..
>
> JR,
Iain Miller - 27 Sep 2003 12:51 GMT
> Are you sure.  The reason I'm asking that I can get a free Cylinder with
> valve and everything from my grand father.  :( Are you sure that it won't
> work?
> > NO..

The valve will be different & so you would not be able to fit a cO2
regulator to it. Very sensibly every gas uses a different design/size of
valve/regulator fitting on it to avoid mixing your gas bottles up!

I.
JR - 27 Sep 2003 17:23 GMT
Positively not work..

JR,
coelacanth - 28 Sep 2003 23:08 GMT
Uhh JR--Won't work because???? In a word--share
your knowledge and give a full answer (you're not being
charged by the word, right).

Thanks.

-coelacanth

> Positively not work..
>
> JR,
Aqua - 27 Sep 2003 21:59 GMT
> Are you sure.  The reason I'm asking that I can get a free Cylinder with
> valve and everything from my grand father.  :( Are you sure that it won't
> work?

You should first understand what they have different tanks for different
gases. Even Tank color is different for different gases to make sure that
during refilling the operators will not make any mistake.

OK.. even if you take your O2 tank for refilling CO2, I bet the shop will
not refill CO2.

Regards
Dominic
Dan Norgard - 28 Sep 2003 01:52 GMT
They may take it as trade, though.  worth a try.
Dan

> Are you sure.  The reason I'm asking that I can get a free Cylinder with
> valve and everything from my grand father.  :( Are you sure that it won't
> work?

You should first understand what they have different tanks for different
gases. Even Tank color is different for different gases to make sure that
during refilling the operators will not make any mistake.

OK.. even if you take your O2 tank for refilling CO2, I bet the shop will
not refill CO2.

Regards
Dominic
zxcvbob - 29 Sep 2003 02:33 GMT
> They may take it as trade, though.  worth a try.
> Dan

Ding, ding, ding!  Good answer.
I think that's what I would try to do.

Best regards,
Bob
zxcvbob - 29 Sep 2003 02:31 GMT
> Is it ok to use O2 cylinder for CO2?

Yes, but you will have to get the valve changed.  IIRC, O2 cylinders are
rated 2200 pounds, and CO2 cylinders are rated 1800 pounds.  Then you'll
probably have to get your tank filled rather than swapping it out, and you
will have to pay to get it tested every 5 or 10 years.  If you buy a 20# or
smaller CO2 tank, you can swap it out whenever it needs filling and you'll
never have to pay for hydrostatic testing.

HTH

Bob
Chuck Gadd - 29 Sep 2003 09:56 GMT
>Yes, but you will have to get the valve changed.  IIRC, O2 cylinders are
>rated 2200 pounds, and CO2 cylinders are rated 1800 pounds.  Then you'll
>probably have to get your tank filled rather than swapping it out, and you

I know my local place won't fill it.  They have a notice posted about
not refilling any tank not specifically marked for the proper gas.

Chuck Gadd
http://www.csd.net/~cgadd/aqua
 
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