Hello,
I got a monti frag about a month ago from my LFS. I superglued it to a rock, and placed it fairly high in my tank. I have not seen much growth on it, and all of my levels are good and the other corals are thriving.
should take about a month or two to encrust on he rocks then it should really start to grow. Give it some time. After three months and still no growth then I'd start to worry. Usually monti caps are fast growers after it's fully aclimated to yr tank.