EXTENDER - Our Extender is great for those who want a longer open time with the paint, to help minimize the look of brush strokes and to extend drying time.Recommended ratio of 15 mL per pint (16.9 fl oz/500 mL) of paint. (1/4 of this 2 oz bottle per 1 Pint of Fusion Mineral Pint)Using too much of this product will increase drying time substantially, but also increases cure time.  Add maximum 10% of original paint volume.Makes Fusion Mineral Paint and other water based paints flow more smoothly