The ink used by Volta in his scripts appears to be a very complex mixture. Our analysis of the eluates from the EVA diskettes (via GCXGC/TOFMS) has revealed the presence of more than 1800 unique metabolites. The ink thus appears to be a very complex combination of different ingredients. mainly consisting of tannins. https://wholelatteslovers.shop/product-category/coffee-maker-thermal-carafe/