Can We Store Salt in Plastic Containers?

No, it is not recommended to store salt in plastic containers due to potential contamination and degradation of the salt's quality.

Salt, particularly varieties like sea salt, possesses corrosive properties. Over time, these properties can cause it to react with and eat away at the material of the container it is stored in. When plastic containers are used, this interaction can lead to chemicals from the plastic leaching into the salt, thereby contaminating your "prized sea salt" or any other type of salt you're storing. This chemical transfer not only compromises the purity of the salt but can also affect its flavor and overall integrity.

Risks of Storing Salt in Plastic

Storing salt in plastic containers carries several specific risks:

• Chemical Leaching: Plastics, especially certain types, contain chemicals like phthalates or BPA that can migrate into food, particularly when exposed to corrosive substances like salt. This contamination can impact the safety and quality of the salt.
• Corrosion and Degradation: While salt might not visibly "eat through" plastic quickly, the ongoing interaction can degrade the plastic over time, potentially leading to microplastic particles contaminating the salt.
• Odor Absorption: Plastic is porous and can absorb odors from its surroundings or from previous contents, which can then transfer to the salt, altering its natural aroma and taste.
• Moisture Ingress: Not all plastic containers are perfectly airtight, and even slight moisture ingress can cause salt to clump or harden, making it difficult to use.

Recommended Alternatives for Salt Storage

For optimal salt preservation and to avoid contamination, it's best to choose containers made from non-reactive materials that offer an airtight seal.

• Glass Jars: Glass is an inert material, meaning it won't react with salt or leach any chemicals. Amber or opaque glass can also help protect salt from light exposure, which is beneficial for some gourmet salts. Ensure the jar has a tight-fitting lid to keep out moisture and odors.
• Ceramic Crocks: Similar to glass, ceramic is non-reactive and excellent for long-term salt storage. Many ceramic salt cellars or crocks are designed specifically for kitchen use, often featuring a wide opening for easy access.
• Wooden Salt Boxes: While wood is porous, certain types of untreated wood, especially those designed specifically for salt storage, can work well for everyday use, particularly for flaked or finishing salts. They are often chosen for their aesthetic appeal and ability to wick away minor moisture, but they may not be ideal for very long-term storage or high humidity environments.
• Food-Grade Stainless Steel: For very short-term or transport needs, high-quality, food-grade stainless steel can be an option, but for long-term storage, non-metallic options like glass or ceramic are generally preferred due to salt's corrosive nature.

Best Practices for Salt Storage

Regardless of the container type, adhering to these best practices will help maintain your salt's quality:

• Keep it Dry: Moisture is salt's greatest enemy, causing it to clump and harden. Always store salt in a cool, dry place, away from direct heat, sunlight, and humidity. Avoid storing it near sinks, dishwashers, or stovetops.
• Ensure Airtightness: An airtight seal is crucial to prevent moisture absorption and keep out dust, odors, and other contaminants.
• Use a Dedicated Container: Avoid using containers that have previously held other strongly scented foods, as residual odors can transfer to the salt.

Comparing Storage Options

By choosing appropriate storage solutions, you can ensure your salt remains pure, potent, and free from undesirable contaminants, ready to enhance your culinary creations.