- Apr 12, 2011I'm sure other members will chine in as well, but ox gall is meant for
watercolors. For acrylics, it's better to use photo flo or acrylic flow
release by Golden paints. You mix it up in a seperate bottle about a
teaspoon to 2 oz of water, then add that to the acrylics a drop or two at a
time until you get the results that you want. I thin the acrylic down to
about the consistency of skim milk first with water. If you get airbrush
acrylics, you can use most of them straight from the bottle because they are
thinner. I usually get the regular acrylic paints, then thin them because
it is more economical. According to Iris Nevins, I believe, you can also
use Palmolive Pure and Clear dishwashing liquid a drop or two in the 2 oz
of water. You get the kind that is clear and has no scent or additives.
Wwhat it does is to act as a surfactant - to break down the surface tension
of the paint, so it will spread more easily. Synthrapol is also a
surfactant and is very concentrated.
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