Blue Mud Steam Vent — Yellowstone National Park

In Yellowstone, a clue about whether a thermal feature is acidic or basic is the style of the feature. Pools of water are generally basic, while mud pots are acidic. Blue Mud Steam Vent is a classic example of an acidic mud pot.

This video and audio are from the Sounds of Yellowstone (ASMR, Sleep, Concentration) series. Subscribe to the series on our YouTube channel, or Apple Podcasts.