Adding rock

[roscozman]

I too will be placing DR in a 75gal FOWLER. This is rock we had in our 125gal but stayed in buckets with no circulation. We have since rinsed off with fresh water and left out in the back yard to bleach with the sun.

Is it okay to introduce this DR (along with some LR) in a new set up tank with no fish?

Also we had some coral skeleton given to us by a fellow maastard and it did exactly what Ace said, turned green and brown. We didn't have any issues and our fish loved the new hiding spots.