2 kessil a80 tuna sun or 1 Radion XR 15 FW

Hi,

I have a 28" 33 gallon bow front tank with co2 ready to go once I get good lighting.

I'm looking at either 2x tuna sun a80 or 1x xr15fw. I'm leaning towards the xr15 because of the programming functions.

Thanks for insight.