What about no CO2?
In a small tank, with low light plants, the CO2 isn't really required is it?
I am new to all of this and it is mind boggling the amount of info in these forums. If I am not expecting record setting growth, and my tank isn't large (say 10 gallons), do I really need the CO2?
You don't need it in any size tank if you don't want it. I'm happy with my slower growth =less maintenance.
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