Loaded question. My BC 14 was loaded with SPS and I ran that thing super simple. What else do you have in there? How are your other corals doing? What fish do you have in there.
For SPS you really need to get a grip on what your paramaters are, how they fluctuate, and what you need to do to minimize that. You need good flow, good light, and lots of patience.
In my tank, I was running Rapid LED, I had an MP10 for flow with the MJ900 return, and I ran CPE and Purigen changed every 4-6 weeks. I did about a 2-3 gallon water change weekly, and dosed C-Balance. Everything I did was manual, including top-off. I wouldn't say acros flourished, but I did not kill them and they had decent color and growth.
I hate to say this, but I would not trust the Allpets water. I noticed a big difference when I stopped using their RO and just started making my own. It will pay for itself in about a year but totally worth it. FWIW, I also used RSCP, but you have to be careful with large waterchanges because it will spike your alk, unless you are running it super high.