Ok. Couple things I would recommend. Let your Alk lower to 8ish. You water changes are good. What test kit are you using for nitrates?@mta_morrow
I have a small gsp colony, leather coral, 4-5 mushrooms around, anemone(not a coral but wanted to mention), and a hammer coral. Sorry I don’t know what FTS stands for. I normally change 5 gallons a week in the 29 gallon tank, but today I did 10.