You might have to really really fine tune the adjustment. Adjust it, then let ir go for a little bit. Don't just sit there and keep adjusting cause it won't work, I was having the same issue. lol Adjust and leave it. If its not right adjust it again and again. SOme skimmers are very sensitive..
180g Reef - 60g Rimless Reef -90G FOWLR- 125g Malawi Cichlids- 40b REEF- 34g Fresh Planted-working on- 20L FOWLR- working on
I have a mix of many different saltwater fish amongst my tanks, but I love my Tangs most of all.