HI, this is my first time posting on reef to reef. I have been in the hobby for about 2 years now and I'm still unable to keep sps corals. I have a marine land 110 tall 48x24x30. l have bought many corals just to watch the rtn l have some mushrooms, 2 gonioporas ,1 torch, and some Zoanthids My equipment is 2 xr30. 2mp40 I'm also have a algae scrubber. plus, a reef octopus 150. i also have about 11 fish in the system. My perimeter is alk 8.6 cal 420 mag 1380 no3 23.5 po4 0.08 l have been trying to bring down my no3 with no results. l was also doing 10% water change a week. I'm at my withs end. l have a 80 gal Lps tank that is doing reel good no problems everything is growing good. A ICP test was just sent in waiting for the results hope someone on the forum can help me.