What are you using to polish the water with? Do you have a good skimmer on that tank? Good filter floss and a good skimmer may work wonders. Carbon filtration is great but, without enough floss to polish and, a skimmer, I have seen it cloud the water like that.
Also when you do the large water change again, drop salinity to 1.021, that's fine for corals and fish and, with some skimming and polishing that tank should clean right up in a couple of days. Use RO/DI water, even if you have to buy it or an RO/DI unit meant for RV use off Amazon or something.