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- Feb 4, 2020
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I am converting my 150 gallon tank to saltwater. I currently have a 55 gallon tank in the bottom for the sump. It is broken into different sections. First is where the pipes dump in, then overflows to a second chamber with some heavy duty matting for mechanical filtration. Then under a wall to rise up through lava rock for biological. It then goes through another set of compartments for any other types i wanted to add (carbon, phosguard etc). Ill have to figure out a way to reroute the pipes slightly so that they can drop into bags for filtration. Unless i can still use the matting like it is. What is the best way for me to design the sump?