CO2 Tubing one more time! - The Planted Tank Forum
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post #1 of 4 (permalink) Old 04-09-2003, 01:50 PM Thread Starter
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I have read a lot of previous posts, but the question never seems to get answered.

Vinyl, rubber, polyethylene, polyurethane, silicone, other...

what is "CO2 proof" tubing ~made~ of? :?: :?: :?:

BTW you all may be interested to try the following link; type regulator in the search field


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post #2 of 4 (permalink) Old 04-09-2003, 08:24 PM
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Good questions...

I was wondering about soda bottle material and what tubings are made from the same type plastic.Those never leak Co2 and I bet its a common plastic used in many types of tubing.

I think the "Co2 proof" tubing is called tygon or something similar.Can't remember for sure right now what the name was without having more beer. :lol:

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post #3 of 4 (permalink) Old 04-10-2003, 12:15 AM
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I use polyurethane and it works quite well. vinyl will leak 50% or so, silicone will leak around 10-15%. With the wall thickness of the stuff I'm using I would doubt it would leak more than a couple percent max.
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post #4 of 4 (permalink) Old 04-16-2003, 02:48 AM
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So.... silicone tubing will bleed off Co2 at low pressure?

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