Greetings, I have a few questions and would appreciate any help I could get.
My setup is: 72 gal, wet/dry filter, ~6-7 months old.
Fish: Porc Puffer, Yellow Tang, Yellow-eye tang, V Lion, Grouper (leapord? white with black spots), 2 urchins
My first question: My 72 gal fish-only tank sits in a...