The COVID19 restrictions allow online orders to be supplied and shipped, our retail store will be click and collect orders only - use coupon code STORE PICK UP for local collections . We are operating on restricted hours so please allow addition time for shipments. Due to the demand for supplies over that past few months some stock lines are unavailable until later in the year. Thanks very much for your patience and more importantly stay home and stay safe!
Art Spectrum Liquid Spectrum Extender Medium
Restores adhesion and water-resistance in heavily diluted washes. May also be added to gouache or watercolour washes to provide a level of water resistance.