DIY CO2 and Excel

well right now I have 2 23 watt CFLs over my 10gal. So I am probably in the high-light area. I am using Excel atm, do you think I should move over to C02?

I have java fern, anubias nana, ludwigia rotola, wisteria, camboda, and anotehr foreground plant that I have no idea what it is.
4.6 wpg over a 10 gallon is not exactly high light...the wpg "rule" breaks down for smaller tanks.

If your plants are growing nicely and you have no algae problems, I see no need to switch.
 
i like to use excel with diy. diy co2 can fluctuate and dropping co2 levels (ie. when your mix gets old) can cause algae growth. excel is a carbon suppliment and it helps keep algae at bay. i use both in one of my tanks and its the cleanest looking tank i have.
That's why I recommend using at least 2 bottles on a rotating schedule for larger tanks. But for something the OP's size it would be a nice option unless they are very diligent about remaking the batch.
 
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