How big a system is it?
There are a number of reefers who dose as a primary method, myself included. I always looked at the root cause of why are you changing the water? Then fix that problem.
I would encourage you to do it, but be smart. Go slowly, and have a solution for each problem, and a backup (which can be water change)
What specifically do you think is a risk? Read my 168 and my 300 journal to see what my two systems that don't rely on water changes with dosing look like. Then look at my 45, 35, and 120 to see what other tanks look like with minimal water changes, but also no dosing. Happy to answer any questions you have. Keep going, you are going to learn a lot.