Only one of minerals in the list below isn't associated with unpleasant characteristics of potable water, which one is it?

Question

Quizplus · Accepted Answer

Phosphorus in water does not directly contribute to the unpleasant characteristics (such as taste, color, or odor) that iron, calcium (hardness, scaling), and manganese (color, taste, and odor) can cause. It is often associated with nutrient pollution but not with making water unpleasant to drink in the context of the other options listed.

Only One of Minerals in the List Below Isn't Associated