Thanks for the replies. I'll definitely try the mix of piano lacquer and stringed instrument.
I tried spraying the Stringed Instrument Lacquer full strength, then at 20% reduction, then at 25%. It seemed that no matter what I did, I got a lot of orange peel and bubbles.
Long story short...
I decided to "go for broke" and tried a mix that was 50% Lacquer, 43% Thinner and 7% Retarder. It seems to be working. It seemed to spray easily and even though it builds very little per coat, I can probably do four coats per hour.
Is this too thin? Is there heartbreak waiting around the corner? Is it reasonable to think that I'll need double the number of coats that would have been necessary at full strength?
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