Shell on Earth Crushed Whelk Shells - White / 11.0kg

Sustainably sourced crushed whelk shells from a family seafood business in West Wales, perfect as a natural slug deterrent for garden borders, beds and rockeries. Washed and dried, these durable shells work as mulch to help conserve soil moisture and improve drainage and aeration when mixed into soil. Apply a generous 20–30 mm layer around plants for slug protection. Supplied in strong, fully recyclable packaging designed for reuse, supporting eco-friendly gardening and local production.