Hi everyone,

Starting my first build on an ES-1GL and have came accross something weird when sanding the maple cap. There are a few blue stains on the front only, I don't believe these to be glue stains as I removed 2 small dots of glue that were yellow in appearance.

First picture shows the largest affected area, however the F hole binding has a tiny touch of the blue leading me to believe these may be glue stains. I successfully removed the yellow glue spots using the wire brush trick, but nothing seems to touch these blue stains and I am worried about sanding through the cap soon.

Has anyone experienced anything similar, or are these just glue spots that seem to not go away?

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