Captain Jacks Deadbug Brew Concentrate is not labeled to be used for slugs. We recommend you look at the Bonide Bug and Slug Bait. One pound of Bonide Bug & Slug Bait will protect up to 2,000 sq. ft. for up one month. Slugs and snails will die in 3 to 6 days and will many times travel to hidden areas to die.
The active ingredient in Captain Jacks Deadbug Brew Concentrate is not specifically listed to treat grasshoppers or snails. We would recommend using Bifen IT for grasshoppers and various other pests. Sluggo Plus is the most popular product for snail control in the lawn and around the home. Please review our Snail and Slug Control Page here for more information.
You could consider using Ferti-lome Triple Action, which provides quick and more complete control of insects and fungal diseases. It acts as an “exciter” to release insect pests that are hiding and into contact with spray residues. It is great to use on herbs, spices, flowers & shrubs, fruits, nuts and vegetables & roses. This product has very positive reviews, is also labeled to target Earwigs, and is most effective when applied on a 7 schedule for heavy insect populations. You can refer the product label for complete application instructions.