Phosphate Reactor 150 (660l) Full Kit. Sand, nitrate, algae, purigen.
If the reactor is to be used as an algae reactor. with cheato. Lighting wise for the algae, l would aim at 1m length of 5050 Waterproof (silicone covered) Leds, which should give you around 14w. PO4 Reactor 150 Full Kit (150 gals/ 660 l).