The Planted Tank Forum - View Single Post - Pressurized CO2...Just thought I'd share.
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post #71 of (permalink) Old 05-29-2010, 02:31 AM
OverStocked
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Quote:
Originally Posted by Darkblade48 View Post
Taking a look at the chemical resistance database, Buna N (the standard material for Brass metering valves from Swagelok, according to the above PDF) has excellent resistance against CO2 (both wet and dry).

http://www.coleparmer.ca/techinfo/chemcomp.asp
Yes. For instance fabco offers the option of Buna N and you should always choose it. Lasts a long time.
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