and pH-neutral

built for detail work rather than broad coverage — tiny botanical illustrations

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Made of high-quality synthetic material for optimal ink flow and long-lasting performance

or liquids if you want to test different materials

caran dache water reservoir brush pen medium Sales and pH-neutralThe Caran d'Ache Water Reservoir Brush Pen Medium is the precision focused configuration of the water brush range built for detailed illustration, controlled watercolor work, botanical drawing, calligraphy, and tight field sketching where line weight variation and moisture control matter. The finely pointed, high flex synthetic tip is fed by a 20ml clear flexible barrel via a soft touch push valve, delivering water flow regulated down to the drop. The