What is the model of the UV filter if I want to replace the whole thing? Where can I get a new one if the old one is broken? We have inventory on the UV pumps if you do need to purchase a replacement, however, if you would like to source it on your own the model details:

Model: CUP 8000, Power: 140W Max Head is 5 meters. Output is 6500 L/H Weight 3.2kg

Sunsun 9w Lamp Bulb, Spare Bulb for Sunsun Hw-303b 304b 404b Jup-01 Filter Cf400, Cf500, G23 2 Pin, https://www.amazon.com/dp/B00UF7CV9Q/ref=cm_sw_r_cp_api_glt_fabc_DRZ2AZ9GBM0JR3BCVWJ3?_encoding=UTF8&psc=1

Look for salt water aquarium websites for in-line parts of all the same stuff: pump, filter, uv, heater. They’ll all sit outside the tank. Shane Stott has plans online somewhere of how he built his first tank.