The tank might need some time to become stable again. How long ago was the tank rearrangement done?
Neither nitrate nor phosphate are likely to cause soft corals a problem. If the alkalinity is extremely high, that might be an issue. Typically, that's caused by the use of pH buffers, which are all just high-pH alkalinity supplements.
Neither nitrate nor phosphate are likely to cause soft corals a problem. If the alkalinity is extremely high, that might be an issue. Typically, that's caused by the use of pH buffers, which are all just high-pH alkalinity supplements.