not what i was expecting

[surfer64]

I have 55 reef ready that has been set up for about 8 months and the top of my rocks are growing a white thick peach fuzz all over the tops of them. I've done tons of research and can't find a way to get rid of it. I've tried putting 20 hermit crabs to see If they would eat it and no luck. I have also tried taking the rock out and scrubbing it but it came back in a few weeks time. I've been thinking about putting the 3 fish and few corals into a 20L and pulling out all the live rock out and bleaching the whole tank and and starting with all new live rock. Oh yeah I started out with all Marco dry rock. I don't know how to upload pictures from off my phone so sorry no pictures. Any ideas how to get rid of it or should I nuke the tank. Any help would be very helpful thanks!

 

[fishgate]

There are several different kinds of sporadic growths that come with a tank - cyano, algae, etc. without pics, I would just surmise that this is just the next phase and to let it run its course. But a pic would be helpful!