I have 92 bow front tank
lighting .....2 radion lights ,1 marine-land reef capable 36 inch
protein skimmer in sump , two koralia pump
salinity.....1.023
carbonate hardness ......12 dKH
Calcium ;.......460mg/L
Phosphate.......25ppm/L
Nitrate........0.0 mg/L
Ammonia.....0.6mg/l
PH.....8.5
I change water 40% every two week sometimes three week .My corals are not very happy , they are not growing ,I have one yellow tang , sail fish tang , one maroon clown , one queen angel , one clam , though fishes are healthy and are there for more than a year. I never had coralline growing in my tank I changed my lights from T5s to radions two month ago . Any helpful suggestion ?