Winsor and Newton Trocknungsverzoegerer Mischmalmittel 75ml

Product information "Winsor and Newton Drying Retarder Mixing Medium 75ml" 

Winsor & Newton Drying Retarder Mixing Medium 

A mixing medium. Slows down the drying of the colours, leaving more time for mixing. Very useful in hot environments. 

Available in a 75ml bottle. 

for maximum effect, mix only with the medium but you can also dilute the medium with water