What to do with left over shells
Reusing shellfish shells can create a range of benefits, from environmental sustainability to practical applications. Whether you're a shellfish farm, a restaurant, or a consumer, there are creative and eco-friendly ways to repurpose these shells instead of discarding them.
Crushed shells can be returned to the water to create natural reefs. Shells provide a habitat for young shellfish, supporting populations and helping with water filtration.
Crushed shells are rich in calcium carbonate, making them a great soil amendment. Farms can compost shells and spread them on fields to reduce soil acidity, improve aeration, and support plant health. Some shellfish farms turn shells into sustainable packaging materials by mixing them with biodegradable materials, reducing plastic waste.
For your kitchen
Shells can be used as rustic serving platters or garnishes, especially for sauces, to keep the dish visually appealing. Larger shells are used as decorative elements for a coastal ambiance.
Crushed shells can add depth to stocks, broths, and bisques. They add a subtle flavor and enrich the nutritional profile of the dish. For restaurants with access to composting facilities, shells can be composted to create nutrient-rich soil, which can then be used to grow herbs or vegetables for the kitchen.
Crushed shells make excellent mulch for gardens. They help retain soil moisture, deter pests, and provide essential minerals like calcium to plants. Shells can be cleaned and used for various arts and crafts, such as making jewelry, candles, or decorative pieces. This can be a fun do it yourself activity and a unique way to reuse shells.
Crushed shells can be spread in gardens to repel slugs and snails due to their sharp edges, providing a natural solution to garden pests.
For bird owners, small crushed shells provide a source of grit for birds, aiding digestion and providing calcium.
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