With my new tank, which would be my first reef, i want to make sure i wont have any health issues. So what do i do to prepare for a long term healthy tank? I will not have a quarantine as i don't have the room for another tank. I will use ro/di water from lfs. I will also have only 2 fish in the tank, my puffer and a melanurus warsse. With the low fish population, would i have a good chance of a healthy tank. I don't want to experience any of the horror stories of so many tanks going downhill just because of one little problem.