T12s shouldn't be too intense in general, but new bulbs will be quite a difference from old, worn-out tubes.
I'd raise them up a few inches more for the time being and see if you can halt the leaf issue. Those images seem to show (and maybe you can confirm) that the upper-most leaves closest to the lights are the most affected. The lowest ones seem mostly normal... and the un-transplanted ones are completely unaffected.
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