My 10 fusion all of a sudden has fish struggling/dying?...all parameters fine yesterday...put in new biocube skimmer...also had been bubbling tank...this morning...royal gramma, fire fish on the bottom, don't see tailspot at all...inverts (shrimp, corals seem OK) but xenia looking saggy and bad...other soft and hard corals OK... pH 7.8...basically where its been...HELP!:eek:
