1. What is the easiest clean up method for a hard bottom cage? 2. what is the best method of feeding? bowl, cup, trough, gravity feeder? 3. How much mess will dust bathing make? 4. 35" L, 16" H, 18" D, thinking of adding two outcoves to the main structure, too much??? 5. cuttlebone vs. Calcium Supplements (human crushed) 6. Waterer? Bottle? bowl? etc... Any answers or recomendations on these topics is very much appreciated, im constructing a custom pen for these Coturnix hens im getting next september, and i wana do the best job i can to give them a long and happy, healthy life.