Why Do Your Watercolors Bead Up on Your Palette? (And How to Stop It)
Watercolor beads up on a palette because of a slick factory coating found on brand new plastic palettes. That coating creates a smooth, water-resistant surface, so paint forms tiny beads instead of sitting flat. Once the coating wears off through regular use, or if you switch to a ceramic palette, the beading stops.
Why This Matters
This isn't a technique problem, it's a palette problem. Beading doesn't happen on a used plastic palette where the coating has already worn away, and it doesn't happen on a ceramic palette at all, since ceramic never has this coating in the first place.
The coating wears off naturally with regular use, so for most artists, this simply resolves itself over time.

Try This
If beading is bothering you right now, try a thin layer of glue over the palette surface as a quick fix, or switch to a ceramic palette if you have one available. You can also rough up the surface to speed up the process, though that can leave your palette staining more easily going forward. Otherwise, keep painting, the coating wears off naturally the more you use it.
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