The Niban Granular Insect Bait is our top pick in this category. Niban is a coarse granular bait that provides excellent outdoor insect control and can be applied using the four pound bottle itself or using a mechanical spreader or power duster.
The active ingredient in this product is Orthoboric Acid 5%, commonly referred to as Boric Acid. The target pests include: ants, cockroaches, crickets (camel, house, field, and mole) earwigs, silverfish, snails and slugs.
Niban's weatherized granules don't degrade from heat or sunlight and will last through four inches of rain. This product can be used in and around homes, apartments, garages, schools, hotels, hospitals, pet stores, zoos, kennels, warehouses, supermarkets, restaurants and many more places.
For exterior peremiter treatment, apply at least 2-4 feet wide at a rate of 6 ounces per 100 square feet. In attics, apply in eaves and access drains. In warehouse, garages and basements, concentrate application along walls and baseboards.