I have a Surf4+ that I just took offline from my 300 gallon system. Worked good, but I've moved onto a Pax Bellum reactor. $550 new.
https://www.santa-monica.cc/SURF4x-...tra-light-for-higher-nutrient-water_p_73.html
https://www.santa-monica.cc/SURF4x-...tra-light-for-higher-nutrient-water_p_73.html
