SPS help
Gord,
All I can really see are the following things;
The main thing is lighting. With 175's you may not be giving your SPS enough light. But I can't say for sure. I'd say yes, enough to keep them alive or sustain them, but not to grow. But I am sure others will say it is enough. What K bulbs are you using? How far are the SPS from the water surface?
What temp is your tank at?
I am assuming the MJ1200 is on the skimmer.. If so the RIO and the Hagen are for circulation? You said you dont have a sump yet put a RIO as a return pump?
You may want more circulation. ie Powerheads. Not directly hitting any SPS but circulating the water in the tank.
A SeaClone may not be enough for your tank. IME & IMO. Is it modified? or out of the box?
To me your Alk and CA are a bit low. not by much. I keep my alk at 12dKh and Ca at 450. The best way to keep them up is a reactor. But I have heard lots of good things about B-Ionic additives. The two part one.
The only thing I can really say is that your SPS aren't getting enough light and are receeding due to this. But without looking at more info or pictures I can't say for sure.
I posted your tank specs in the proper forum.. tho you wil want to do this so you can add things to this list as things in your tank change.
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