Hello, I am not new to the hobby and need some help. I just set up a new tank and need some help with stocking ideas. My water where I live is making me wonder what I can keep because I'm having troubles keep fish healthy that don't live very long in my water. I will attach the water parameters. I have a 40 gal bow front tank that is 30 in by 15 in by 24 in tall. I currently have a aquaclear 70 hob filter. I would like to lean more toward a live bare tank at the moment. My second choose would be a community tank. And finally would say maybe species only tank but would want a fish more on the larger side. I would like a very active tank and for the fish to use all levels on this tall tank. I also do like have a more larger fish then small fish unless its live bares. Up for any suggestions at this point and how many would be a good number in the tank. Any help would be appreciated thanks. Also would like more of a peaceful tank, don't really like dealing with fighting fish.