Reversible and Non-reversible Medium

There are many uses for both reversible and non-reversible mediums in decorative painting.  A reversible medium can be taken back to a glaze with water (or alcohol like shellac).  Non-reversible mediums are far more common and are permanent (unless a solvent is used to remove). Reversible Mediums: Gouache Glaze = Gum Arabic + H2O + […]


Vinegar is a mild acid that is used in cooking and household cleaning.  Decorative painters can find it hepful when using lime paint. A thinner for lime paint:  When you mix lime paint with latex/acrylic paint, it will thicken quickly.  Instead of adding water, add a little vinegar.  It will bring down the ph level […]