Brought some glycerin to make a acrylic paint retarder, did I by

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Grumbacher Acrylic Retarder for Acrylic Colors and Mediums, 5.07 oz. Tube

A binder-free fluid with slow drying agents Increases 'open' (working) time of acrylic paint Reduces paint skinning-over on palette Increases blending

Liquitex Professional Effects Medium, 118ml (4-oz), Slow-Dri Fluid Retarder

Using Glycerin as a Retarder With Acrylic Paints

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