Maybe I will try it and just do a quick bath in 1.035 to get the initial ones off and if any make it they make it I guess.I'm in the same boat... i bought some ocean live rock and was so worried about hitch hikers... Got from KP aquatics and their curing instructions say to submerge in 1.035 to 1.040 salinity for a few minutes to have hitch hikers evacuate. I've done that a few times and had all kinds of crazy worms and such bail out... now they're sitting in a tub curing. But i'm starting to worry i may have gone too far and killed everything off since i haven't seen anything alive on the rocks for a while and ammonia is still pretty decent. Hopefully the microorganisms on the rock are still good... haven't put them in the tank yet... it's definitely been a battle for a while...