2013 UPDATE
Sorry for being away for so long, and not updating this thread. I can give many excuses; corals not doing well therefore losing my joy in the hobby, turbulence in my personal life etc. But that's not what you want to hear I think, you're more interested in a reef update
Apogon reef "crashed" in the end of 2012. The corals, mostly deepwater species, developed brown patches, became "dry" in appearance, and RTN/STN'd. You can see the first signs of the patches in the photo's of the last update. I also had a reoccurring unexplainable green hair algae explosion.
It's still guessing what caused it, but I can come up with a few possibilities. Impure water, Impure Sea salt or Impure Balling salts.
Because I didn't want to experience this again, I targeted all thee, and completely started over. New rock, new water and, unfortunately, new corals.
LIVE ROCK
I "cooked" the new live rock in a large bin for two months, with heavy flow and a canister with Phosguard. The water was changed completely every week. The amount of gunk that came out of the rocks EVERY WEEK was an eye opener for me.
(sorry for the crappy photo's, they're all Iphone. Next time I will use the Canon again
)
To my pleasant surprise, the live rock developed a lot of coralline algae, in complete darkness!
The photo below was after two months "cooking". Super clean, phosphate free Live Rock