This is my third planted tank but largest. I don't have much free time to spend on it either. I wanted something attractive and relatively low maintenance. It is not a biotope tank.
108 watt 6500k T5HO lighting
Marineland Emperor HOB Filter
Cap of Flourish Excel or API CO2 Booster 1x day
1 ml PPS-Pro dosage of macros and micros 1x daily
7 Pristella Tetras
3 Black Mollies (the offspring of another trio of mollies, removed, these are likely to be rehomed)
8 Angelfish (originally 9)
6 Sterbai Cory
4 Otocinclus (originally 5)
A lot of growth started happening after fertilizers. The angelfish also started off as ~nickel size. Some of them are almost 4" now after a few months. Amazing how fast they grow. Unfortunately, they are starting to split fins and lose scales in their fights. I think it's time to break them up but I have no idea what sex any of them are. I don't have the free time to watch them much to see how they interact. I mostly see them begging for food.
We're also considering adding some adult-sized neons or cardinals for some color.