Did an initial sanding with 80 then 120 grit paper.
I had a few low spots where the tape had pressed in a good bit so I mixed up some epoxy with flox (chopped fibers that increase strength) and applied it to the low spots. After the flox mix cures I will sand it and apply a layer of epoxy mixed with a sanding filler.
Filling in a few low spots with flox:
After removing the peel ply (before any sanding):
