I am getting sick and tired of the so-called Tang debate. It seems everyone with a 90 gallon tank has stuck a Tang in there because their tank met the minimum tank size requirements posted online. Tangs cover a large area of the reef everyday and do not enjoy being confined.

When you get a new dog do you just tie it in the yard and throw it some food and water as needed? Sure it looks fairly healthy. If the dogs health could be judged by water parameters, as a fishes health can...