The guy I'm getting it from has been letting it sit in a dark container and when the rock is clear again he put's it back in his display. Within 3-4 weeks the rocks are totally covered with about 2" of the HA again. Not sure if it is something in his water or the rocks so that is the reason I would like to boil. I don't mind putting in dead rock as my tank is very established and they will eventually turn live again but just worried about a nitrate spike or a mini cycle. If that is the case I will just fill my sump with base rock.
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