Dude, if there are any hydroids left in the dry rock after drying it near the boiler for almost 2 months I will quit the hobby (If your talking about the dry rock). If the new rock happens to have hydroids....well, I guess it was destined to be.
As far as QTing the rock separately: That goes agains the purpose of what I want to do. I want to seed the dry rock with as much life as there is in the uncured rock. Im not sure if you have seen uncured rock that has arrived direct from Fiji before. I was unlucky to get my hands on 100 lbs of the stuff when I first started a FOWLR tank (unlucky because I wish I had gotten regular base rock and had saved the opportunity for the good stuff for now). I helped pick up the shipment from JFK. The rock was covered, inch to inch, millimeter to millimeter, with sponges, corals, algae, small gorgonians, etc... The curing process will kill alot of this organic matter off. But at least there will be a greater biodiversity left over after curing than if I used regular cured rock bought from a tank to seed my dry rock.
Anyone else with info. Ive had 2 people give me info.
Thanks guys.