It has nothing to do with the ethanol, the uncured resin simply covers the surface and fills small holes, hiding them
I would guess it's something funny with the 3d model, air bubbles in the tank wouldn't be consistent between layers. Try inspecting the problematic layers on your slicer.
Almost looks like the slicer might be trying to add FDM style infill, make sure it is not.
If it's local, try using over-the-air TV, if your close to a transmitter, you can get away with a fairly cheap antenna. (Or even just a paperclip.)