Formula to Test Drinking Water
- 1 teaspoon granulated sugar
- 1 cup cold tap water
- Place the sugar in a cup of water and place the cup in a sunny location.
- Sugar is a food supply for bacteria and they will become very active and feed on the sugar and multiply.
- If the water becomes milky after about 2-3 days the bacteria are very active.
sugar, cold tap water
Taken from www.food.com/recipe/formula-to-test-drinking-water-366359 (may not work)