Noodler's Ink The Whiteness of the Whale is a "harpoon-proof" or "bulletproof" pH neutral ink that is waterproof and fade resistant. This ink is specially designed for mixing inks to create new colors, such as mixing with red to create pink or with blue to create light blue. It is NOT meant for writing on dark colored paper and will NOT show up as white ink on dark paper. Whiteness of the Whale will fluoresce when exposed to fluorescent black lighting. Safe for fountain pens of all types, this ink provides archival quality and is 100% made in the USA. Size: 1 oz bottle.