pH is one of the factors used to measure the quality of the water. Most critters prefer to live in a neutral pH environment. The pH of the river can change from things like acid rain, pollutants, and run-off chemicals. If you want to learn more about pH, click here. Below is a chart that shows what critters can tolerate different pH environments. Because pH is a logarithmic scale, what appears to be a small amount of change in the numbers can have a great effect on the environment and what can live there!
| 14 |
9 ~~~~Safe for |
Fish~~~~ 5 |
0 |
| Lye | Bleach | Ammonia | Baking Soda | Water | Milk | Carrots | Cola | Tomatoes | Lemon Juice | Battery Acid |
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