I have a 13 gallon salt water tank (yes, too small, I know) mostly reefs and one sweet blue damsel.
Is it necessary to have a protein skimmer for my tank?
Recently, my pink leather and kenya tree do not open, I am not sure what techniqual term is, but they do not seem to be thriving. I did a water change but nothing has changed.
So...is protein skimmer helpful? How so? I want to make sure that it is the solution for my tank before I am a few hundreds $ deeper in debt because of this tank already.