What should I do or need to do if I was to take a piece of holey rock from a freshwater tank that's up and running, and put into a tank I'm getting set up and ready to start the cycle?
Only reason I want to use this piece is is full of small holes that would be perfect for putting plugs in.
Thanks
Rich
Only reason I want to use this piece is is full of small holes that would be perfect for putting plugs in.
Thanks
Rich


