When are odors in water less noticeable?

Odors in water are less noticeable when the water is cold for a couple of reasons. Colder water temperatures can slow down the movement of odor-causing compounds, making it less likely for them to volatilize into the air where they can be detected by our sense of smell. Additionally, cold water can hold more dissolved gases, which can help neutralize or mask certain odors.

Conversely, when water is warm, it can enhance the release of volatile compounds, intensifying any existing odors. Chlorination may initially mask certain smells; however, it does not necessarily eliminate them. Aeration involves introducing air into the water, which can potentially release some odors and make them more noticeable rather than less. Thus, colder temperatures play a crucial role in reducing the perception of odors in water.