this is exact how it works based on search return patterns and threads that span ten years running with work examples
it helps about 30% of the time, just like any other dinos approach. if anything was getting better than a third return consistency, it wouldnt be the scourge in reefing that it is.
peroxide is tolerated by about 98% of everything we reef with, so attempting it isn't harmful other than to lysmata shrimp, fireworms, xenia, macro, and anemones but you have about a 30% chance of it helping.
there are thousands of posts about it helping. and thousands about it not