Unfortunately, this poll tells us nothing.
We would have to compare notes on a tank to tank basis. In other words, do you have a reef only? What size? FOWLR? What substrate? What filtration? Skim or not? Fish load? Coral load? And on and on, I think you get my drift. It is just impossible. I say this only so newbies will not say, geez hobbyist A is changing 15% a month and hobbyist B is changing 15% a week and hobbyist C is not changing any at ALL!!!
Just as a point, each marine aquarium developes its own unique personality. As John Tullock once said, "As with some people, some of these personalities I like a lot; others I would just as soon not get to know."
Once again, just my humble .02
![Big Grin :D :D](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Hermit