With all due respect, homie, I prefer something like a T8 that young. He can get a 2 bulb T8 fixture at Wal Mart for $10.97 and two K6500 bulbs for about $8. Lowes has a better fixture for about $18. T5 is fine too but T8s are dirt cheap and not that much weaker than a T5.
Once they are big...