A fellow reefer in the Charlotte are asked me to build him a sump. He was very opposed to have to take down or drain his reef to add a new sump so we opted to just add another chamber to his existing filtration. His goals were to get things cleaned up and set up his filtration better. He originally had an old style trickle filter with some live rock and a berlin turbo skimmer. Our plan was to remove the live rock and turn that chamber into a refugium. I had an old Octo skimmer that ...