# Salt Symbol Analysis in Our Wives Under the Sea

Salt as Substance and Signal

Salt enters the novel as an ordinary domestic item—table salt in glass ramekins, salt spooned into water—and gradually becomes something closer to a lifeline. Miri's early memory of Leah returning from dives belated and weary and smelling of salt establishes salt as the residue of Leah's working life, the trace of the ocean she carries home. After the mission, that trace becomes a demand: Leah craves salted foods, salts her lemon water, and eventually cannot survive outside saltwater baths. The novel tracks salt's transformation from seasoning to necessity, and in doing so tracks Leah's transformation from human to something the ocean claims.

The Craving Body

Leah's salt craving is the novel's first sign that her body is no longer entirely her own. In chapter 12, Miri prepares lemon water that Leah salts heavily; Miri researches scurvy symptoms on her phone, grasping for a medical explanation that never arrives. The craving escalates through the novel. By chapter 24, Miri is spooning table salt into glasses of water, and Leah drinks it in a way that makes Miri feel vaguely nauseated before pouring the rest into her bath. The salt is not seasoning but sustenance, and the nausea Miri feels marks the distance between her own body and Leah's transformed one.

Leah herself articulates the logic in chapter 28: blood contains sodium, potassium, and calcium—similar to seawater—and the first things came from the sea. The novel treats this as both fact and metaphor. Leah's body is returning to its elemental composition, and salt is the medium of that return. Her craving is not a symptom to be cured but a signal of what she is becoming. This connects directly to the theme of oceanic transformation: the salt is the ocean's claim on Leah, made visible in a kitchen staple.

Preservation and Ritual

Miri's salt administration becomes increasingly ritualized as Leah's condition worsens. She fills glass ramekins with table salt and ferries them into the bathroom, pouring the salt into the bathwater and allowing it to dissolve (chapter 34). When Leah's breathing deteriorates, Miri wets every towel they own, coats them with salt, and lets them soak (chapter 36). The salt-soaked towels and wet flannel she presses over Leah's face during the car journey to her mother's house (chapter 38) are the culmination of this ritual—an attempt to preserve Leah's body in a medium it can tolerate.

Salt preserves. Miri's instinct is preservative: she wants to keep Leah, to hold her in a form that can still be recognized. But preservation also implies stasis, and Leah is not static—she is changing. The salt that keeps her alive is also the salt that marks her as no longer belonging to air. Miri's careful administration of salt is an act of love that cannot stop what it is trying to prevent. This tension between care and inevitability resonates with the novel's exploration of ambiguous grief: Miri is grieving Leah even while Leah is still present, and the salt rituals are both treatment and preparation.

The Boundary Between Human and Ocean

Salt functions as a boundary marker between the human and the oceanic. Leah's need for salt increases as her skin becomes translucent, as her features become uncertain and threaten to leak sideways (chapter 36). The salt water is the only environment in which her body holds its shape. Miri's realization that she cannot keep her here comes precisely when she tries to pull Leah from the bath and Leah gasps at the air—the air itself has become hostile to her.

The novel's final release completes the salt's work. Miri carries Leah into the sea at her mother's house by the coast, and Leah's body dissolves into the water (chapter 40). The salt that Miri has been administering all along was not a cure but a preparation—a way of easing Leah toward the element she was becoming. The sea lung, the ice formation Leah and Miri once saw at the beach near a nuclear power station, is recalled in this final scene: this alchemist sea, changing something into something else. Salt is the alchemist's agent, the substance that marks the transformation.

Salt and the Failure of Support Systems

Salt also marks the failure of institutional care. The Centre, which should provide medical and psychological support, is unreachable—phone lines dead, website returning a 404 error. The therapist stops sessions over a bounced check. Juna arrives with practical help, but the medical establishment offers nothing. Miri is left alone with salt as her only intervention, a kitchen remedy for a transformation no doctor can diagnose. This connects to the theme of failure of communication and support systems: the salt is what Miri has when everything else fails, and it is both insufficient and essential.

The salt also connects to the theme of limits of knowledge. Miri researches skin conditions, scurvy, decompression sickness—all the explanations available to her—but none of them account for what is happening. Salt is the only thing that works, and Miri does not fully understand why. She acts on instinct, on what Leah's body tells her, and the salt becomes a form of knowledge that precedes understanding.

Study Questions

1. How does salt function differently for Miri and for Leah?

For Leah, salt is a necessity—her body craves it as it becomes increasingly oceanic. For Miri, salt is a tool of care and preservation, the only intervention she can offer. The gap between these two relationships to salt mirrors the gap between their experiences: Leah is undergoing transformation, while Miri can only witness and respond. Leah's craving is involuntary; Miri's administration is deliberate. The salt is shared, but its meaning is not.

2. What does the escalation of salt use suggest about Leah's condition?

The progression from salted lemon water to salt baths to salt-soaked towels suggests a body increasingly unable to tolerate air. Each escalation marks a further stage of transformation, and Miri's responses are always reactive—she is always catching up to what Leah's body needs. The salt is a measure of how far Leah has traveled from the human, and how far Miri will go to keep her.

3. How does salt connect to the theme of ambiguous grief?

Miri's salt rituals are acts of care that also function as preparation for loss. She is preserving Leah even as Leah dissolves. The salt-soaked towels she prepares in chapter 36, before calling Juna, are both a treatment and a shroud—an acknowledgment that Leah cannot be kept. The salt preserves, but it also marks the thing being preserved as already in transition.

4. What does Leah's observation about blood and seawater reveal?

Leah's remark that blood contains sodium, potassium, and calcium—similar to seawater—suggests that the ocean is not alien to human biology but its origin. Her transformation is framed not as corruption but as return. Salt is the shared element, the proof that human bodies and the sea are continuous. This reframes the novel's horror: Leah's dissolution is not an invasion but a homecoming.