Well, like I said I'm only at 4 1/2 weeks flowering the T5 puts out 20,000 lumens.. I have at least 3 1/2 - 4wks to go yet. (it also takes a little bit to switch to flowering in the first place so.. I'd say there's plenty of time for them to fatten up)
Also, there's about 12 of those sized buds...