No water change reef tank?

[FunaiReefSystems]

I recently have been spending time learning more about no water change systems that I have known about for years. Does anyone have any information on these or feedback? I am planning a HUGE reef tank and a no water change system like this is very appealing.

One company I came across was this one:


NatuReef Controlled Biological Denitrification Reactors

Does anyone know where I can buy this system? How much do these systems cost?

http://natureef.com/products/denitrifiers/

 

[Reefing Madness]

http://reefkeeping.com/issues/2009-01/diy/index.php
http://www.marinedepot.com/ps_searc...earchText=denitrator&IdCategory=FIFR&parsed=1