Quote:
Originally Posted by runamuck
I'd like to make a suggestion: on an acoustic guitar, I'd recommend that you at least seal the top with shellac before the oil. The reason for this is that PolyOil is thin and will penetrate a softwood like spruce or cedar and in doing so, can dampen its responsiveness. The shellac will prevent penetration.
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Good idea. In my case I had a lot of grain filler on it that worked like shellac.