Co2 tubing problem - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 3 Old 04-01-2015, 04:06 PM Thread Starter
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Co2 tubing problem

I have recently added co2 system to my tank and after much reading I realisd that co2 is not required of a night. So I purchased a solenoid to shut off the supply of an evening.
This is where things get fun, everything works fine until about 3 hours after the valve closes and my co2 pipe explodes.
Am I doing something wrong. My set up is as follows co2 canister (set at 1 bubble per second)-tube-solenoid-tube-bubble counter-tube-diffuser. Or do I need stronger tubing

Whoodst that my steed hath the speed of your tongue.

Jon
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post #2 of 3 Old 04-01-2015, 05:36 PM
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You need pressure fittings between canister and solenoid. When the solenoid is closed (there is no electricity), the pressure build up from the canister until the solenoid, a regular silicone tube can easily give in.
I have pressure resistant tubes because my regulator brings down the pressure from cylinder (1000 psi) to about 40 psi necessary to inject in atomic diffusers. I don't think normal airlines can handle more than 20 psi.
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post #3 of 3 Old 04-02-2015, 06:00 AM
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Yep samething I tell everyone!!! Where is your pressure release valve?!?! When dealing with compressed gas It is a stupid mistake not to have one... Seriously dangerous... So you have to use the right piping and have a pressure release... They really should spend more time informing people how to set up a SAFE co2 system...
This is the second story where someones co2 blew due to a pressure build up this week..
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