I'm about ready to throw in the towel. Water changes are just making things worse by the day. I really don't understand how to do this saltwater thing.
I have no clue if I have too much flow. My zoas are just not looking the best. I have 4. 3 look alright. The other looks terrible. None of the heads open except maybe one. My lighting seems fine for them. My hermits crawl all over them too. Maybe am I getting too worried?
My cuc is extremely active so I guess that's a positive..
Start thinking in terms of months. you're only 12 days into this. There are billions of organisms in your tank in addition to the ones you can see. It takes a lot of time, trial and error, for them to find a happy balance that you will like. Don't worry about your zoas for now and stay focused in the big picture. I've had zoas get unhappy for 3 months before reopening. Don't get hung up on too much flow right now. Corals tend to be pretty tolerant of flow, especially if it's not a steady stream.
Today, as I have most Saturdays for nearly 8 months , got out the brushes and scrubbed my rocks and the plugs of the corals, siphoned the sand bed, turned on all the pumps to create a ton of turbulence and tomorrow morning I'll change the filter socks (given them a chance to catch the stuff I kicked up into the water column)
NOTE: I will be adding a UV, since I did make a change involving GFO and all fingers are pointing to dinos. See what I did? After holding steady and giving the tank time to start looking really nice,
I made an impulse change that backfired. I should have been testing my PO4 before making change. The only good is that this set back is indicative of dinos and not cyano.
Reef tanks are like the stock market. If you get hung up on daily swings, you'll have a nervous breakdown. Think long term, hold steady and make small changes, like steering a sail boat.