Heres an update. Ive let the tank dwindle. Ive lost a couple SPS colonies, one of my favorites an unidentified, an ice blue.mille, a purple stag and looks.like ive got.rtn on a pink.mille and purple acro. The tank is covered in corraline, and I have a cyano outbreak from lack of water changes and some calcium reactor issues. Ive been wrestling with getting.rid.of the tank as.most have you have read. I have decided not to give up but to pour some new life into.the tank per se. I have on schedule to drain the tank in two weeks. I will be cooking the rock in 2-3 batches. I am going to frag all of my coral back and keep a couple larger frags of each in my QT tank. Trade in the rest for some coral and fish. in the plans the old 120 gallon fuge will be removed from the fish room and sold.... In its place will.go the current sump. The sump,will be elevated for quick water changes and will have a dsb. This sump will drain into a 45 gallon where it will,be pumped back up to the main tank via a newly thought out plumbing system for better flow. The 45 will serve as a grow out for algae or a mixing area for dosing, have not decided yet. I will be selling the geo 818 for setting up an auto two part doser. I have fought PH issues with the tank simce start,up and I blame it partly,on the excess co2 and other issues I have discussed previously. I will also be switching to a bare botto, display and upgrading the flow with a pair of MP60s. I will post some befores and some afters in a few months and keep everyone up on the progress.