Jam sugar - Fix & Fruchtig Preparing your favorite fruit spreads is much faster when using Fix & Fruchtig. Just mix the jam sugar and the prepared fruit (two parts fruit, one part Fix & Fruchtig), purée for forty-five seconds and voilà, you're done! No boiling required! In addition to sugar, Fix & Fruchtig contains pectin, the acidifier citric acid, the calcium salt calcium citrate and the preservative calium sorbate. Fruit spreads made using Fix & Fruchtig can therefore be stored in the refrigerator for up to eight weeks.