Been having trouble keeping sps alive in my tank. Tanks about 8 months old. Lighting I got 3hrydra 26 with T5 (3blue + 1 purple +) Just got my nitrates up to 5 Alk 8.4 Cal 430 Mag 1300 Salinity 1.025 Temp 77-78 Ph 7.8 to about 8.2 Phosphates last checked was .04 Everytime i put new sps in the tank they start to stn after a few days. I have some frags that are doing good and growing. Any advice would be nice!