Reply by CharlesNeil

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Posted on "Dead Spots" in Finish

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2501 posts in 4782 days

#1 posted 01-23-2018 06:38 PM

Lacquer thinner is too “HOT” ( harsh), for a varnish, it can burn the resins and weaken it .
Mineral Spirits is what you want, give it a good coat out of the can and let it dry several days.
Then using some 320 do a light random orbit sand, ...It should be creating a white dust when you sand , if not let it dry longer .
This creates a “seal” coat , lacquer thinner will continue to remelt the previous coat , or possibly lift it ( wrinkle up like a prune)
African Mahogany is very porous and will soak finish like a sponge , therefor you have to let the first coat dry thoroughly , so subsequent coats “build” and are not further absorbed.
A grain filler would have been a good idea before hand , however subsequent coat , allowed to dry well between coats will help to fill the grain some , once it quits absorbing , then going to a thinner coat to finish off , or adding more and doing a rub out , you will be fine

Last point .. finish both sides, bottom doesn’t need as many coats as the top , but it does need sealed well to balance .

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