Harry Muscle wrote:
I know that surface turbulence is bad in a planted CO2 injected tank since
it drives off the extra CO2 that is pumped into the tank. However, what
about a planted non CO2 injected tank, like mine? I'm setting up a 55G
planted tank with 1.75wpg, and instead of CO2 I'm using Flourish Excel. Do
I want surface turbulence or not?

Harry, if you are using Excel for a carbon source, I wouldn't worry too
much about surface turbulence. We're talking normal HOB filter
turbulence, and not Jacuzzi jets, right?

--Andrew