Yes, I think that is good advise about doing consistent water changes and get your alkalinity in line. Actually, when you are all settled I don't think you will be dosing much. Your tank is only a little bigger than mine and you have LPS and softies like me. I also have a clam which consumes calcium but I use Instant Ocean which does not have as much calcium or magnesium as your salt. I only dose with 2 part once a week and magnesium every other week. I do a 4g WC twice a week though. All this to say that the water changes will go a long way toward remedying your problem.