Discussion in 'Carbon Dioxide (CO2)' started by lincsflier, 30 Jul 2009.
Hi all is CO2 tubing all the same or can you use silicone airline?.
Have a read of this:
Should answer your question!
Or just pump the question into a search engine and you'll get the answer!
Cheers Simon tried the searche ngine route first but came up with half saying silicone is fine other half saying no :? .
FYI - do some research if you decide/discover that it has to be tubing marked 'CO2' there are several places that sell tubing that is very stiff (completely the opposite of normal airline tubing which is very flexible) and can make putting it on and off tricky. Personally the softer the better as it helps with taking the diffuse off for cleaning JBL CO2 tubing that I've seen looks perfect but is expensive.
TMC have now released their plant range and while the majority of it is perhaps not the best they are doing 2m packs of clear silicone tubing which seems supple enough.
i can get prices tommorow
It depends on the pressure in the tubing to how much CO2 is lost. If all you are doing is bubbling CO2 into a ladder style diffuser or external reactor then the pressure in the tubing will be very low and therefore CO2 loss will be virtually zero. But with a ceramic disc style diffuser then the pressure is higher and you run the risk of losing some of the CO2 if you are using silicone air tubing.
If you have tubing going from the regulator to the solenoid and/or needle valve then you should be using good quality CO2 tubing as there is pressure here.
If in doubt just use some CO2 tubing. Some kinds are stiffer than others but I find placing one end in hot water softens it enough to use. If you use glassware and are scared of breaking it trying to remove the tubing then just purchase those airline connectors and put a connection in before the glassware. It's just a simple matter of disconnecting there when needed.
Hi all thanks for the info will be using an Aquamas external reactor from Germany so probably not much pressure but have found a local company who can supply the tubing at 27p per metre .
now that is a bargain
Not sure if I can post the details on here or not?.
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