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Tuesday 23 January 2018 at 01:16
For cleaning I use a microfiber towel and just wipe it down, and for more stubborn dirt I add Novus 2. Then carnuba wax if it feels like it needs it, or where I used Novus.
Thought it was weird that the 2 bad spots are in the same spot on either side of the playfield . . . mirrored, tho the right ...
Source: http://pinside.com/pinball/forum/topic/best-method-for-playfield-repair#post-4190183