Academic assignment for Lingua Inglese III Prima Lingua at the Advanced School of Modern Language for Interpreters and Translators (SSLMIT) in Forlì. Video Rating: 2 / 5 Question by hamletsjadedlover: canning tomato soup? hey i recently made a huge batch of homemade tomato soup and i read some where before canning you need to add vinegar or lemon juice to off set the acidity, yet when i read recipes and canning instructions on line it doesnt mention this do i need to add it? how much would you suggest for a gallon of soup? thanks… Read Article →