Nitro typically means it has to be American made, because nowhere else is stupid enough to store gallons of explosively flammable paint next to kilns drying thousands of tons of highly flammable wood. the other is not some horrible evil thing invented in nazi germany to make guitars sound muddy. one is not a magic secret coating that makes every guitar sound perfect. One makes a guitar cost $500, the other costs $2500 One is cheap, the other is cheap but takes longer to dry
