1Litre working solution working solution and should NOT be further diluted. On FB prints Gold Toner shows steel blue hue, (RC papers exhibit more delicate shades) Where both FB & RC images are first sepia toned and then placed into Gold Toner the effect will be to produce warm rich peachy/pink hues. Split toning with Selenium Toner is also an exciting effect. Full instructions supplied on mixing ratios and timings to achieve shades, depth and brilliance of tones desired.