This is the original formula Glossy Black Powder Ink. The ink is unsurpassed for ornamental, Spencerian, and script writing where fine hairline and brilliant shading is desired. Mix it fresh in a clean wide-mouth jar. Easily prepared - just add boiling water to the powder. Stir and watch as the brilliant raven black color develops. Stir before each use - Please don't shake. The ink should stay in good writing condition for a long time.