This is the page about Sea Mustard. If you were looking for the article about mustard itself, then see Mustard.
Sea Mustard is a brand of mustard used by the Krusty Krab. It only appears in the episode "Cave Dwelling Sponge."
It comes in a dark yellow bottle with the mustard's name inscribed in white text within a pinkish-purple circular border.
Role in episode
Sea Mustard is seen in the background of the kitchen, sitting next to a bottle of Kelp Ketchup.