How to get rid of unwanted critters in new live rock?

[christyf5]

Originally Posted by fkshiu

I've heard of people using HYPER-salinity to drive out hitchhikers - say 1.035 or more.

The flame thrower suggestion isn't all that ridiculous. Some people have used butane torches to kill hydroids/aiptasia and other annoying things stuck on LR.

No I didn't think it was ridiculous at all, dramatic though

I've previously used a powerwasher to get rid of unwanted algaes and such. Works like a hot damn! I just find it easier to deal with things on the surface much easier to deal with than things that live inside the rock such as crabs or eunicid worms. I'm mostly worried about things that would damage fish or corals (and I don't really factor hydroids or aiptasia into that as they can be dealt with fairly easily IMO)