Here is link to the original forum:
http://www.reefcentral.com/forums/sh....php?t=2195588

from which:

How to Setup a Quarantine Tank?

This is a question that has been asked and brought up several times. This are lots of ways to do things in this hobby but not all ways are correct or proper or failsafe.
In my years of experience I have learned a few methods that work the best.
I will try to explain my findings and experiences...