I'de say buy a GEO, the 6x12, it would support that system with np.
I had a Schuran Jet1.... What a headache that was.. for many reason's, a few being, terrible customer support from the manufacture.. hard to get replacement parts. The media chamber was a PITA to take on and off with wing nuts at top and bottom. You have to drain the entire reactor just to add a cup of media.....I don't have direct experience with the pico, just with the company and the Jet1. Peri pump to feed reactor was almost a necessity to makes the thing run consistent.
Just my 2c