It’s always better to be safe than sorry, so yes, we would recommend adding 2 tbsp of lemon juice per quart in order to bring the acidity to safe levels. Assuming you only recently canned the tomatoes, you should unseal them, add the 2 tbsp of lemon juice, then seal them again in a water bath. Use lemon juice with the romas as well. You can use bottled lemon juice found in your local grocery store.
It’s always better to be safe than sorry, so yes, we would recommend adding 2 tbsp of lemon juice per quart in order to bring the acidity to safe levels. Assuming you only recently canned the tomatoes, you should unseal them, add the 2 tbsp of lemon juice, then seal them again in a water bath. Use lemon juice with the romas as well. You can use bottled lemon juice found in your local grocery store.