Well that is good. Just let it keep working it and keep the flow and turnover up. It will make progress but it's gonna take a little time. If it's detritus, you must has had some serious buildup in there. But it's fixable, and not too much to stress about. Again, stop wasting your salt and water with changes, make sure you keep up on your filter sock changing, let the skimmer keep rocking, and just ride it out. Things should hangs for the better and you should continue to see improvement. It's just gonna take time to catch up.