Nippon Ant Killer Liquid can be used both indoors and outdoors, either with a Nippon Ant Control System or on its own. If using without a bait station, simply place three to four drops on a clean surface such as a piece of plastic, glass or metal next to the ant run. 
 
Nippon Ant Killer Liquid is particularly good if you do not know where the nest is or it is inaccessible. Nippon Ant Killer Liquid: Destroys complete colonies without a trace. Designed to attract worker ants that carry the bait back to the nest to feed the whole colony. Contains Spinosad. Nippon Ant Killer Liquid is hazardous to bees and should not be used in areas where food, feed or water could become contaminated. Use biocides safely and keep them out of reach of children and animals. Always read the label and product information before use.