Selling my Tunze Macro Algae Reactor (MAR). It is used but in excellent, fully working condition and comes with everything needed to start growing Chaeto and naturally lowering nitrates and phosphates. Includes: Tunze Reactor Cylinder Internal LED light core pump Turbelle controller and power supply Silicone tubing It has been soaked and cleaned, so it is ready to be plumbed directly into your sump. Price: $350. The single-LED 3181 Location: Middletown, NY Available for local pickup Shoot me a message if you are interested or have any questions!