That's a good question, I've experimented with T8 LEDs I don't think there's enough wattage, matter of fact I think you can only get 24w out of each tube not really sure. I believe the 3 W LEDs are much brighter when you hook up 25 to 30 of them. Plus you can get a greater color spectrum with the smaller LEDs I don't think T8's come in royal blue.
Good morning mercenary, there's several companies out there that are selling LED lighting check them out, I'm sure you'll find something that will satisfy your lighting problem . good luck. Phil