This Sluggo Slug and Snail Killer 1 lb. helps keep your garden and outdoor area clear of those pesky critters. Once applied, it’s absorbed into your soil’s fertilizer, and it keeps working even after using your sprinklers or a rain storm. This Sluggo slug and snail killer is safe for use around your dogs, cats and other pets, as well as wild animals. This slug control contains iron phosphate and remains effective up to 4 weeks. The slug control breaks down into organic fertilizer and can be used in the garden and around pets and wildlife. The slug control remains effective after rain and works well in cool weather.