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Watercolour Mediums- Winsor & Newton Professional - Ox Gall Liquid 75ml

Watercolour Mediums- Winsor & Newton Professional - Ox Gall Liquid 75ml

  • £6.30
  • Save £2.15


A wetting agent that improves flow when mixed directly with Watercolours.

Also use on very hard sized papers to reduce surface tension.

Add 3-4 drops per cup of water.

Product Safety Data Sheet