I had an Ecosystem with MM type sump years ago which worked very well. I packed up the hobby/obsession for over ten years and restarted about three years ago. This time I went for a large quantity of siporax in crates in the sump with reactors for rowaphos and occasional activated carbon use. I was also carbon dosing to control nutrients and it worked well for a time. However after a while No3 and Po4 started to rise and it was difficult to control so I decided to go back to my old method. I ripped out the baffles in the sump and rebuilt it to suit a MM and macro algae set up. I have a 100 gallon tank and a large sump with a decent area for the refugium with 30 pounds of Miracle mud and caulerpa prolifera, chaeto and a couple of other macros. It's lit with a 125 watt 6400k CFL on a reverse cycle and my Deltec sc 1456 only runs for 6 hours a day. I use no other No3 or Po4 removal equipment. My display is overstocked with fish and I feed quite heavily. I employ the balling lite method to maintain calcium and alkalinity for my corals which are doing well with good growth and colour. My refugium is teeming with life, mysids, pods, worms and mini brittle stars plus stomatella snails etc. No3 and Po4 are at low levels. I also employ two A model Sochting Oxidators in my return section. It'a a good natural, low maintenance system IMHO. It sure ain't snake oil my friends.


John