6' x 2'' x 2.5'. 4' Wet/Dry Sump. DIY extra bio-balls and siliencing for your trickle system. Easy setup for filter changes. Also have a 2' x 1' x 1.5' breeding .
Stick at it. The bigger the tank the easier it is to look after.
6 x Frontosa's
5 x Dolphin Fish (Blue Moorii)
4 x Bala Sharks
4 x Clown Loaches
4 x Electric Yellows
1 x Golden Gourami
Self Cured Large Aquarium Rocks. (Very Easy)
I am currently in the Royal Australian Navy so my aquarium has to be self sufficient as my wife doesnt touch it. This could be up to 3 months at a time. Timers and self feeders do all the work. Vey easy to maintain
When you see signs of stress in your fish, you can then take steps to identify the source of that stress and then to resolve it before it becomes a major issue.
If you're looking for a unique way to stock your new tank, give freshwater shrimp a try.
If your fish is suffering, you may want to consider euthanasia as an option to humanely end his pain.