Trouble with SPS


New member
Hey guys, I am having problems keeping SPS alive. Right now I have a Stylo that is losing the battle as well as a birdsnest (I think it's dead) and some month that isn't too happy.

I have a 150G tank with live rock. I use a RW-15 propeller pump on random mode for circulation. I am also skimming and have a cheato sump with a phosban reactor.

My levels are all normal
Temp 76.5
Ammonia,nitrite,nitrate 0/0/0
Dkh 9
Calcium 440/460

Any help would be awesome. I keep polyps and mushrooms with no problems.
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