co2 proof tubing

[scotty b]

where can I get co2 proof tubing local?

 

[Dr.DiSilicate]

Just get the black airline.

 

[jda123]

You can get it at a medical supply store.

 

[jahmic]

I've used polyurethane tubing for CO2 on my planted tanks without issue...they sell it at Lowes for about $3 per roll. If you have trouble finding it...ask for the stuff they use to hook up to refrigerator drain lines.

Here's a good link if you want to nerd out and compare the CO2 permeability of vinyl vs silicone vs polyurethane/polyethylene.

http://www.coleparmer.com/TechLibraryArticle/700

 

[scotty b]

I need 1/4 inch tubing
any ideas on where to get in that size?

 

[jahmic]

Lowe's had that size last I checked

 

[Munch]

Soft rubbery stuff, like this?

http://www.ebay.com/itm/Deep-Blue-25-High-Performance-Silicone-Air-Pump-Tubing-/190853250807

Let me know, I may have extra sitting around...