I just received a Marineland 5 Gal Hex tank as a present. I have been doing a lot of research about keeping fish and maintaining aquariums. I plan on putting in live plants, a small 50w heater, one mail Betta, one female Black Molly, one Dalamation Molly, one mystery snail. I will be running a fishless cycle for 6 weeks. How does this sound?