Shell On Earth Crushed Whelk Shells - 18kg Bag

The rough, sharp texture of the crushed shells creates an uncomfortable and difficult surface for slugs and snails to crawl over, naturally deterring them from reaching your plants.

For slug deterrence, apply a dense ring of shells 20-30mm deep around the base of plants or garden borders. For soil improvement, mix a small percentage into the soil.

Yes, the crushed whelk shells are a natural, non-toxic product and are safe for pets and wildlife when used as directed.

The effectiveness depends on the weather and garden conditions. You may need to top up the layer periodically, especially after heavy rain, to maintain a consistent barrier.

Yes, it is suitable for use around all types of garden plants, including vegetables, flowers, and ornamental plants.

The product comes with a one-month warranty from the manufacturer.

Yes, the strong bag is designed for reuse, and the packaging materials are fully recyclable.

Ensure the layer of crushed shells is at least 20-30mm thick and forms a continuous, unbroken barrier. Reapply if heavy rain has washed some away.

This is a natural process for a biodegradable product. The rate of breakdown depends on soil conditions and moisture. Replenish the barrier as needed.

This is natural dust from the shell processing. It is harmless and will settle. You can lightly rinse the shells before application if desired, but it is not necessary for effectiveness.