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Well, it's better to have more than less in terms of "coats" Not sure with poly but I've been told that it goes on much thicker than Laquer. I have 12 coats of Laquer on my yellow 7620. I would think if you had four or five coats of poly, you would have plenty to start sanding and then buffing it out. I know you would hate it if you started sanding and went through to the wood...That would suck!! Put a couple more coats on just to be sure since the edges always have the least amount. From there use 1000 grit to get any uneven areas, Then finish the wet sanding with 2000 grit. At this point it will look hazy..Don't worry, Use a rubbing compound I used Mcquires #9 (i think) rubbing compound and a buffing pad. You may have to do this several times over a particular area. Just make sure you use it till most of the fine scratches are out. From there use Mcguires #2 swirl remover. Use this till there are no more swirls or scratches. Always wipe this stuff off with 100% cotton cloth! Work in SMALL areas. Don't do the whole guitar at once....Be patient and take your time and soon enough...she will shine! Good luck. My disclaimer is only that I did this with mine and it worked......One more thing....Keep your buffing pads separate!!!! You don't need to use an electric buffer....
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