| No problem, Gary. Yes, these are 55-gallon barrels daisy-chained together. I have a total of 9 of these barrels for filtration on our 2,500-gallon Koi pond. The first barrel in the chain serves as a vortex chamber, the next three are used primarily for mechanical filtration, then the last five provide the bio-filtration. The water then runs through a UV clarifier before returning to the pond. I actually have detailed plans and pics of my DIY filter setup on my site. Be sure to check it out if you're interested... |