Are you able to get a picture of this set up? Whats the benefit of just running chaeto instead of the carbon/bio balls etc.?I have a local fellow reefer w/a similar set-up and he uses a large HOB filter but instead of the carbon/bio balls, etc.. he put chaeto in it and a large foam filter/pad. It's been up over a year (that I'm aware of) and his tank is thriving.