i use a Power Cloner 45 with a 2' 4-bulb T5.... i keep the light about 12" above the fresh cuts.... when the root i drop it down to about 4" above.... it may be a bit of excess at first, but as soon as they root they start to stretch if the light is too weak.... this method actually lets me veg my clones in the cloner for a week or 2 before I transplant and move them straight to flower....
as i said, though.... this is only my method.... some would and probably will say 96W from a T5 is too much.... i previously used an old 2' flouro shop light from home depot that was 48 watts and they rooted just fine.... i just found they stretched, literally overnight, due to lack of light once they started to root.... the T5 is almost 4x the light output as well with only twice the power usage.... in my situation, it just made more sense!