500g CO2 bottle: how long should it last?
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04-15-2003, 07:35 PM
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Join Date: Nov 2002
Location: Devon, UK
I have exactly that co2 system on my main tank and I have to say that I love it. I have been using it for 7 years without any problems.
I get about 4mths out of one of those refils on my 55 running it at 30mg/l
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