Quote:
Originally Posted by kien
I've been battling this nasty stuff for the better part of a year! have had to take out entire chunks of rock and dry it out. have also had to resort to epoxy to smother the SOB. It has been a slow and expensive process. I'm going to have to look into this peroxide business.
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Did you give the peroxide a shot? It doesn't always get it the first time but should eventually, I'm curious.