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post #17 of (permalink) Old 11-08-2012, 07:42 PM
Planted Tank Guru
Join Date: Dec 2005
Location: Sacramento, CA
Posts: 21,015
Originally Posted by P015 View Post

Quite a few Kynar check valves, which size should I order Hoppy?
1/8 inch is the best size for CO2 system tubing. I'm almost sure that's the size I use.

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