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post #11 of (permalink) Old 04-10-2004, 04:10 PM
Wannabe Guru
PTrader: (8/100%)
Join Date: Dec 2003
Location: USA
Posts: 1,740
Hmm...this topic came up before, I'll dig it up and post it. But basically somone found a site that listed CO2 (as well as hundreds of other chemicals) and their permability with hundreds of various tubings.

Basically, silicone was by far the worst choice for CO2. It is still doable as ninoboy said - but there are better, and actually cheaper choices. I'll get that post up in a few...
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