high tech tank

Hello, Here's my new hardscape. I'm looking for plant suggestions. I'm pretty set on using rotala rotundofolia, Rotala H'ra in the background. With some Proserpinaca palustris in the middle to break the color with another tint. I might be missing some green though? Otherwise, I'm stuck with...

Specifics of the Tank: 300 Gallon Freshwater Aquarium, 30" tall CO2 with a pinpoint PH controller. 2 Wavemakers (Vortech MP40's) Sump with Pinky Filters and Bio Balls 2 Largemouth Bass and 1 Bluegill (Sunfish). Each are about a pound. (Yes, a lot of waste coming from these guys!) Eco Complete...