No i am not in KZ system. mine is more like combo system. that is a little of this and a little of that! I dont know what my system is.
But .....I just don't know why I can not grow SPS!
your equips are way better than mine! you will do it right and good this time !
Lover of reefing will never give up! Yay!
Just my own thinking for your problem,
1)l have feel that you must have done some kind of false step at the begining then caused bad effect.
2)your tank needs more live rocks, if you ask me why, I don't know. I just have a feeling that it matters.
maybe it offers better buffer capacity.or it might play an important role of nitrogen cycleing and so on!
3)do you use RO water for mixing reef salt?