I'm using Aquarium Co-op's Easy Green with RCS and Tangerine Tigers. Both seem happy as can be. RCS are berried. Tangerine Tigers are still juvies, but are doing fine after a couple of weeks.
38G: AquaClear70: Planted, 1 Angel, 6 Tetras, 1 Platy, 1 Bristlenose Pleco.
5G Fluval Spec V: Built-in filter, Heavily planted, RCS and Tangerine Tiger Shrimp