PH scale
| Lemon juice | 2,0 – 2,6 |
| Wine | 2, – 3,8 |
| Sports drink | 2,3 – 4,4 |
| Vinegar | 2,4 – 3,4 |
| Tonic | 2,5 |
| Soda | 2,7 – 3,5 |
| Oranges | 2,8 – 4,0 |
| Plums | 2,8 – 4,6 |
| Iced tea | 2,9 – 3,0 |
| Strawberries | 3,0 – 4,2 |
| Grapefruits | 3,1 – 3,2 |
| Blueberries | 3,1 – 3,3 |
| Grapefruit juice | 3,2 |
| Dill pickles | 3,2 |
| Applesauce | 3,4 |
| Pineapple juice | 3,4 |
| Apples | 3,5 – 3,9 |
| Apple juice | 3,5 |
| Salad dressing | 3,6 |
| Jus d’orange | 3,7 |
| Tomatoes | 3,7 – 4,9 |
| Vegetables | 3,9 – 5,1 |
| Honey | 3,9 |
| Ketchup | 3,9 |
| Dried apricots | 3,9 |
| Raisins | 4,0 |
| Beer | 4,0 – 5,0 |
| Tea (black) | 4,2 |
| Carrot juice | 4,2 |
| Buttermilk | 4,2 |
| Plain yogurt | 4,2 |
| Bananas | 4,5 – 5,2 |
| Carots | 5,0 – 5,3 |
| Bread | 5,0 – 6,2 |
| Coffee | 5,11 |
| Sparkling water | 5,3 – 5,4 |
| Pears | 5,7 |
| Cheddar | 5,9 – 6,0 |
| Milk | 6,4 – 6,8 |
| Eggs | 6,6 – 6,8 |
| Whole milk | 6,7 |
| Water | 7,3 |