JFYI, for years (now it is rare) in Italy were in common use Idrolitina/Frizzina/Cristallina, which were a mix of chemicals ( sodium bicarbonate ( E500 ), malic

JFYI, for years (now it is rare) in Italy were in common use Idrolitina/Frizzina/Cristallina, which were a mix of chemicals ( sodium bicarbonate ( E500 ), malic acid (E296) and tartaric acid (E334)) to make (tap or well) water sparkling, but - besides the little bubbles they gave a typical taste. Italian Wikipedia (not too bad via translator): https://it.wikipedia.org/wiki/Idrolitina https://it.wikipedia.org/wiki/Idrolitina https://it-m-wikipedia-org.translate.goog/wiki/Idrolitina?_x_tr_sl=it&_x_tr_tl=en&_x_tr_hl=it&_x_tr_pto=wapp https://it-m-wikipedia-org.translate.goog/wiki/Idrolitina?_x...