September 6, 2023 Amy Shulke Ohuhu Marker, Ohuhu Swatch, Ohuhu Test BG4 Mint Blue: Testing Ohuhu Markers for Lightfastness and Quality September 6, 2023 Amy Shulke Ohuhu Marker, Ohuhu Swatch, Ohuhu Test BG4 Mint BlueLet’s take a closer look at this Ohuhu Marker and its ink characteristics.
