So, I tried my first attempt at drop filling a chip in a spruce top with CA glue.

Not so good...

The CA darkens the wood so that it is very visible compared to the surrounding wood :-(

Any tips on how to make it less noticeable?

Thank you.

Tags: CA, glue

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Not an easy task. You will probably need to fill the chip with some matching spruce for a good color match, CA glue will always make the wood or wood dust darker. On a pale spruce top it will be visible. HHG would be a better choice for gluing the chip. Sometimes with dark wood you can get a good match using lighter colored wood dust as a filler. With rosewood and ebony the result can be invisible.You should do some experimenting on the side using matching wood before doing it for real.

The same thing happens with lacquer. The broken wood fibers act as sponges and suck up the material. I thin Titebond or hide glue, whichever is handy, with water to make a thin sizing. This is painted on the damaged area and allowed to dry. This seals the torn fibers and eliminates, or at least minimizes, the discoloration.

Great tip, I will try that one next time! Another obvious thing is to clean the bare wood to get it as light as possible.

Thanks guys.

Lesson learned, will try the glue/water trick next time.

Ok, I'll bite. Why were you drop filling on  bare wood? 

 I'm not trying to start anything I'm just wondering if I'm missing a technique that I could have been using for all this time.


It was a chip in the lacquer on an old Morris acoustic. The chip was down to bare wood.

A complete refinish wouldn't make sense considering the value of the guitar (even though it is a very high quality guitar).


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