how long should by co2 bottle last

melev

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It depends on the size of the Co2 bottle, the consumption rate, and if there is a leak or not. A small bottle lasts about 8 to 10 weeks on my reef, the larger 20 bottle can last about 5 months.
 
I just refilled a 20 and almost got a year out of it for my 220g main display and 60g frag tank.

Mark
 
Make sure you replace the gasket every time you refill the tank. You shouldn't need to use tape or silicone.

Mark
 
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