Java moss or najas grass with red cherry shrimp and red ramshorn snails. All are "fairly hardy and not too picky to feed". You wouldnt need a heater either. Small sponge filter or even an airstone would be fine.
This is my vote.
Java moss or najas grass with red cherry shrimp and red ramshorn snails. All are "fairly hardy and not too picky to feed". You wouldnt need a heater either. Small sponge filter or even an airstone would be fine.