Wow. According to that I was way off. I was still following the 2 watts per gallon info but I still assumed that depth would play a role. Thanks so much for all the information!
I do not have a co2 system. I bought the ceramic diffusers off eBay but I didn't realize at that time that they were to be used with a co2 system. Guess I need to start researching that now.....
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