Bulbs to have in your lineup:
FloraSun, RedSun, ATI blue plus or UVL 454, Giesemann Actinic Plus, UltraSun (for those that still like lumens). The nice thing about the Giesemann Actinic Plus is that it has the 420 but also has 440, 460 as well. Why not free up a couple slots and get rid of...