Dr. Ph. Martin's Hydrus is an archival and lightfast artist quality pigment liquid watercolour. Available in a full range of colours.
• For Brush, Pen, Airbrush, Calligraphy Pen, Techincal Pen and Fountain Pens (some may require cleaning after use)
• Remix the exact same colour over and over again with the dropper system
• 25 to 50% more brilliant than tube watercolour
• Brilliant Concentrated
• Transparent colours
• AP Approved Non-toxic
Hydrus Colour Chart