Each sachet of nippon ant killer from vitrex contains a measured amount of insecticide to control crawling insects including ants on external hard surfaces simply dissolve a sachet in a measured amount of water in a watering can and pour over the surface for fast and effective results the treatment is particularly suitable for ant infestations outdoors on patios decking paths and lawns in addition to ants the treatment is effective against cockroaches beetles ticks woodlice and other crawling in