Readings between 6.5-8.5 indicate pure water. Many people do not know what pH represents, but those who do know that purified water has a neutral one. The pH of distilled water is theoretically about 7. What is distilled water? You can also test the pH of the water with the pH1000 sensor to make sure that the levels are correct after you have purified the water. pH is a measurement of electrically charged particles in a substance. These two letters represent an equation of hydrogen … The water is purified and has a few additives such as magnesium sulfate, potassium chloride, and trace amounts of sodium minerals. The pH scale ranges from 0 to 14: Acidic water has a pH … It indicates how acidic or alkaline (basic) that substance is. In practice, it’s difficult to put an exact number on the pH of distilled water because simple exposure to air can dissolve carbon dioxide.. Why does the pH of a substance matter? Dasani: pH level 5.6. Readings between 6.5-8.5 indicate pure water. For water to become legally defined as “purified water,” water impurities should be reduced to an extremely low level if not removed at all costs. Deer Park: pH … The pH of this water was measured in our test at approximately 5.6. Let’s put the pH value of distilled water into context by discussing what distilled water is and why the pH … The impurity level of dissolved solids in the purified water … “P” in pH means power, and “H” – hydrogen. Dasani water also comes from public water sources rather than natural aquifers.