Co2

[MELVIN ASHLEY]

HI guys iv just brought a co2 unit of ebay from germany its got a 500 bottle how long do they last for my tank is 48x24x18 thanks mel

 

[Themuleous]

That depends on to many factors to give you an accurate guide, but it could be a month perhaps two if you get very good diffusion and use a solenoid.

Sam