Thread: Curing Dry Rock
View Single Post
Old 03/18/2013, 11:37 PM   #4
RC Mod
Join Date: Mar 2002
Location: Mountain View, CA, USA
Posts: 88,616
At the minimum, I'd cure it in a bucket with a powerhead until the ammonia level stays zeros for a while. If the phosphate level is acceptable at that time, you can use the rock as is. Otherwise, you might want to try a GFO or lanthanum chloride treatment.

Jonathan Bertoni
bertoni is offline   Reply With Quote