I still have my 60g pickle barrels for sale, and am throwing in a couple of 3/4" uni-seal bulkheads to whoever buys them for setting up a mixing station. http://www.atlantareefclub.org/forums/showthread.php?t=93148">http://www.atlantareefclub.org/forums/showthread.php?t=93148</a>
I was going to set them up like this guy did with his containers:
<!-- gcu-updated ame -->http://youtu.be/nDFgCADw0ik<!-- gcu-updated /ame -->
A great setup for mixing and delivering to the tank and/or sump.
My new setup with polytanks will be configured similarly, the tanks will just be setup apart from each other due to space constraints.