Problem Adding "Dead" Rock to Reef Aquarium

[ckmullin]

Suggest to remove rock asap, treat tank with purigen or your other favorite candy to help clean the mess up and cook the new rock least a month until the phosphates etc are minimal after testing.

Was your nano already cycled and up and running? If so, it was a mistake to add that other rock. If you system is/was stable and just want more 'rock' treat the rock in question with acid. Do that and in less than a week it'll be ready.