Opie Yutts writes: 3) why 3000 instead of 2700 or 2500, and please don't tell me it's because they don't make them. I just bought some T5 grow (6 thousand something K), and I just assumed I would later be able to put in some bulbs that are the correct color for budding. If not, I don't even think I want them."

Well, here's a silly answer to go along with my silly question you say I have. The T5 4foot light has the option of 6500 or 3000. Nothing more.