![Octopus Write and Draw Ink 403 Violet Lion Waterproof Ink for Writing and Drawing Calligraphy Ink, Lightfast Drawing Ink for Fountain Pens, Purple, 50 ml : Amazon.co.uk: Stationery & Office Supplies Octopus Write and Draw Ink 403 Violet Lion Waterproof Ink for Writing and Drawing Calligraphy Ink, Lightfast Drawing Ink for Fountain Pens, Purple, 50 ml : Amazon.co.uk: Stationery & Office Supplies](https://m.media-amazon.com/images/I/61QwiY2B5HL._AC_UF894,1000_QL80_.jpg)
Octopus Write and Draw Ink 403 Violet Lion Waterproof Ink for Writing and Drawing Calligraphy Ink, Lightfast Drawing Ink for Fountain Pens, Purple, 50 ml : Amazon.co.uk: Stationery & Office Supplies
![Octopus Write and Draw Ink 403 Violet Lion Waterproof Ink for Writing and Drawing Calligraphy Ink, Lightfast Drawing Ink for Fountain Pens, Purple, 50 ml : Amazon.co.uk: Stationery & Office Supplies Octopus Write and Draw Ink 403 Violet Lion Waterproof Ink for Writing and Drawing Calligraphy Ink, Lightfast Drawing Ink for Fountain Pens, Purple, 50 ml : Amazon.co.uk: Stationery & Office Supplies](https://m.media-amazon.com/images/I/61QwiY2B5HL.jpg)
Octopus Write and Draw Ink 403 Violet Lion Waterproof Ink for Writing and Drawing Calligraphy Ink, Lightfast Drawing Ink for Fountain Pens, Purple, 50 ml : Amazon.co.uk: Stationery & Office Supplies
![The 2021 Great Lightfast Test - 13 months later! | Tim Baker | Watercolour Paintings, Drawings & Acrylic Artworks The 2021 Great Lightfast Test - 13 months later! | Tim Baker | Watercolour Paintings, Drawings & Acrylic Artworks](https://www.tjbaker.co.uk/wp-content/uploads/2022/07/Lightsafe-Tests-2021-4@0.5x-scaled.jpg)
The 2021 Great Lightfast Test - 13 months later! | Tim Baker | Watercolour Paintings, Drawings & Acrylic Artworks
![Liquidraw Coloured Drawing Ink India Ink, Waterproof 20 Assorted Colours, 35ml Indian Inks for Artists (Black) : Amazon.co.uk: Stationery & Office Supplies Liquidraw Coloured Drawing Ink India Ink, Waterproof 20 Assorted Colours, 35ml Indian Inks for Artists (Black) : Amazon.co.uk: Stationery & Office Supplies](https://m.media-amazon.com/images/I/81AmQb+9HsL._AC_UF894,1000_QL80_.jpg)
Liquidraw Coloured Drawing Ink India Ink, Waterproof 20 Assorted Colours, 35ml Indian Inks for Artists (Black) : Amazon.co.uk: Stationery & Office Supplies
![2 months of UV/Lightfastness testing. I used inks on hand and sliced down the middle after making 2 columns. The "W" columns were dipped in water to show a quick water resistance 2 months of UV/Lightfastness testing. I used inks on hand and sliced down the middle after making 2 columns. The "W" columns were dipped in water to show a quick water resistance](https://i.redd.it/veio9k2y0vq91.jpg)