Tank - Full Summary

this is my first entry on reef addicts. I am looking for some advice and guidence. I have been in this hobby for about 8 years. I have let my tank go down hill when everything that I was bought would die. A few times i wanted to take down my 90 gallon but could not bring my self to it. Recently I found out that I have been giving wrong info from the LFS, I have installed a refugium with live sand, rubble rock, cheato, a bio pellet reactor and a reef octopus 6 skimmer. I still need to upgrade ...