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Image of Schmincke Horadam Aquarell Onetz Oxgall Medium

Schmincke Horadam Aquarell Onetz Oxgall Medium

Schmincke Horadam Onetz Watercolour Medium can be used to modify the working characteristics of your watercolour paints. Onetz is a natural, thickened Oxgall wetting agent, designed to improve the flow of your watercolour or gouache colours. It will decrease the surface tension of your colours when diluted with water. A little of this medium goes a long way, so it should be used sparingly.

Available in a 5ml or 15ml tube

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  • Natural, thickened Oxgall wetting agent, designed to improve the flow of your watercolour or gouache colours.

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Recent reviews

  • Helpful with paint breeding up on palette.

    Works great.

    - Deb C from Burnsville on Oct 13, 2023
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