I’m selling my ReefBreeders Prism ATO system. I’m the original owner and have used this for the last 3 years. Everything is in perfect condition, except that I cut the ring off of the exterior magnet to make it fit behind my sump (see the included picture). I’m including 8 feet of clear tubing (not the original that came with the kit, but it works great). I’m asking for $50 via PayPal with shipping included to the continental US.