Tank - Full Summary

So i have a 55 gallon tank that is mostly LPS, it currently is home to a foxface rabbitfish, flame angel, sailfin tang,and an ocellaris clownfish. It had a coral beauty that didn't make it due to inadequate IQ levels of a LFS employee, as well as a 6 line wrasse and another ocellaris that decided to go carpet surfing. The tank has been up around half a year, and seems to be doing well.
Earlier this evening i set a quarantine tank. It's nothing special, just a tank that was once ...