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Re: CO2 How Long Should It Last

> > If you are continuously bubbling CO2 (24-7) then 3 months is pretty
> > IMO. The average for a 20# tank seems to be about a year, although this
> A 5lb tank lasts for at least 6 months on my 75g tank.   CO2 is on
> continuous.   If it's only lasting 3 months, there is likely to
> be a leak.

I've had my 5lb bottle hooked up on my 55 gallon for about 4 years.  At one
bubble every 2-3 seconds 24-7, the tanks have lasted 6 months at minimum.  8
months maximum.

Take a little soapy water and a paintbrush and check for a leak.


John Haydt
Lansdale, PA