The Planted Tank Forum - View Single Post - How long will a CO2 bottle last?
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post #19 of (permalink) Old 12-27-2012, 05:44 AM
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HybridHerp's Avatar
Join Date: May 2012
Location: New York
Posts: 3,882
So, overall theme is that a 20lb should work for at least a year.
How exactly can you tell how much co2 is left in the tank? Is it one of the dials on the regulator or something?

My 75 gallon High Tech Tank:
My 10 gallon High Tech Tank:
My 5.5 gallon nano College Dorm Tank:
Mom's Spec V:
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