This setup is like-new, and was only in use for the last 3 months. My coral growth has exploded and I need an even bigger reactor. This setup is good for reef tanks up to 600 gallons.
Kamoer FX-STP WiFi Continuous-Duty Peristaltic Dosing Pump [$329 new] - $249
20lb CO2 canister - 80% full...