SlugClear Ultra is a highly efficient bait that protects edible and decorative plants from slugs and snails in the garden or greenhouse. Lightly sprinkling SlugClear Ultra Pellets on bare soil around your plants will divert slugs and snails away from living plants so they eat a fatal dose of the active ingredient. Contains ferric phosphate. One application lasts up to 10 days outdoors. Use all year round.