I bought quite a bit of dry rock at the LFS that I want to add to my existing tank but I'm not exactly sure how to cure it. Do I put it in a bucket with regular ol bleach? If I put it into a 5 gallon bucket how much bleach do I add? Does the water need to be salted, or can it be tap water? How long do I leave it to sit in bleach? The rock looks pretty dang dead. All I can see are the corpses of clams embedded in it. Can adding dry rock cause the tank to cycle or anything funky?