My acropora grow like weeds. Montipora starts off good then the polyps recied. The only one that looks goog is the beach bum. Sal is 1.025 phos 0.088 nitrate 10 alk 8 cal 468 mag 1290. I Don't see any pests and do not have any fish that pick. Been in the hobby for 40 years never had this much trouble with montipora. Any ideas