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Quantity
1
Bring dried paint back to life and make every stroke smoother.
This acrylic Flow Aid is a must-have for every paint-by-numbers artist. Whether your paints are drying out or your brushstrokes feel stiff, just a few drops will restore moistur...
Reviews
4.0
18 ratings
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The paint thinner is sort of worked, but it didn’t give you any instructions. Not sure if I used it right it didn’t actually make the paint very soft. I could’ve done the same thing with water or with olive oil.
H
Holly · May 25, 2026
Quick to arrive, does what it should. Good product.
A
Anne · Today
I think the size should appear on the outside of each brush cover.