I just had my AFM professionally restored with a new playfield from Mirco. I installed a playfield protector on day one. Mega wet spot right in the center of my game. Seems like the plastic uses the LED gi like a fiber optic and enhances the effect of the wet look. Also my led gi bulbs are only at 45%. I emailed playfield protector and they responded in minutes. They advised I lift part of the protector and use a hair drier to remove moisture. After I did so with zero results I emailed again to see what to do next with no response. Seems like your on your own if you have this issue. This is what I did.

Clean terry cloth, wipe with naphtha and repeat about 10 times with a new clean cloth every time. Playfield and protector got this treatment. Each time better than the last. Turns out naphtha is ok with my protector. Been three days and wet look has not returned. There are still little tiny areas left but 95 percent better. Suspect its silicone from polish or something similar.

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Not a real watery wet spot. Just the effect of what looks like a "wet spot" to others that might be playing the game. They are like "whats up with that spot on your new game?" It might be normal and ok but doesn't rub me the right way when its a huge area. I will continue to purchase this product because so far they have proven to be great otherwise. I have them on 6 of my games.

Playfield Protectors is my favorite even with the spots or molted areas. They are thin and seem to hold up better than the one in my TZ ( Manufacter unkown) and my Hobbit (installed at factory). No unwanted spots or molted areas on them though. I figure its a matter of time before the spot or molten thing is figured out and will be a resolution to eliminate it. Time will tell. Until then I will keep buying them. I have had to trim up the playfield protectors brand on a few games for a better fit but it is to be expected.

Same experience here. Older games seem to be ok with the protectors. I have good results with my Popeye, TZ and Corvette. All original playfields and waxed with paste wax before installing.