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3-in-1 is designed to be used for fluid washes and tonal layers of color. You can use as much (or as little) 3-in-1 as you prefer with oil colors. Gamblin 3-in-1 Oil Medium is an all-around lean and thin painting medium that you can use to seal panels. You can think of it as a thinner version of Galkyd.
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🇺🇸 Ship from USA · On Agora since 2026
$9.00