1. Which Brand of Bottled Water is the Healthiest?
By: Mingchen Gong and Kelvin Kang

2. Research
Too much acidity is bad for you, however, too much artificial alkalinity is also bad for you
Acidity may contribute to weight gain
Too much artificial alkalinity may result in nausea, vomiting, etc.
The normal pH level for tap water is 7, which is dark green in the pH scale
pH levels of water under 8.5 and above 6 are safe to drink
Natural alkaline water occurs when water goes over rocks, picking up minerals that increase the alkalinity
Artificial alkaline water is created with electrolysis to raise pH levels, and may generate health problems

3. Hypothesis
  If the healthiness of water is observed through its pH level, then we think Dasani will be least healthy because it comes from public water sources and public water sources usually have lower pH levels compared to private sources, and Pure-Life will be healthiest because it is the most popular brand of water.

4. Materials and Variables
1 bottle of Pure-life water
1 bottle of Dasani water
1 bottle of Aquafina water
1 eye dropper
pH test drops
3 cups
Independent variable:
Type of water
Dependent variable:
pH level of the type of water
Controlled variable(s):
Amount of pH drops in each bottle
Type of cup

5. Procedure
Put on the table 1 bottle of Pure-Life, 1 bottle of Dasani, and 1 bottle of Aquafina
Pour 100ml of each into the cups
Label the cups
Put the pH drops in the eye dropper
Put 10 drops in each cup
Record the color
Check the pH scale for the color
Record the pH level
Compare

6. Observations Dasani Aquafina Pure Life pH level: 6 pH level: 6.5

7. Conclusion
  Our hypothesis was right. Dasani had the lowest pH level, with Aquafina just above it. Pure-Life was the healthiest. It had a pH level of 8. It isn't the most popular brand of bottled water for no reason. Just don't drink Dasani. 

8. Bibliography https://www.healthline.com/health/ph-of-drinking-water
water
risks