Eric Schreiber wrote:
I can't give any absolute answer, but I have a heavly planted 20 gallon
with an Eclipse hood (lots of surface turbulance). I haven't injected
CO2 for several months, and I don't even use Excel. Plant growth is
excellent.

Is that a 20g long? With an Eclipse 3 hood? I have one of those and my
plants grow great!

--
Victor Martinez
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