I have white powdery substance, presumably mildew on vinvl seats in my '57 T Bird (forgive me, my only non Corvette car). I've tried the Concrobium that was previously suggest but to no lasting help. Car is in a garage. AC unit keeps things reasonably cool but I know compressor is bad and humidity stays relatively high. My '62 Corvette in same garage doesn't have this problem. What to do?
Thanks
Thanks
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