1.To press Ant-98 paste gentlely and spread it about 10 cm long for every other 1 meter (spead Ant-99 powder around 3 - 5 grams) along the edge of the wall or any places ants go by. The more the place the ants appear, the more Ant-98/99 should be applied. To use Ant-98/99 to make sure all ants can find Ant-98/99 easily at the same time. 2.Because some newly born ants may have not eaten Ant-98/99 at your first time applying. Your have to apply second time again one week later after your first application. 3.Ant-98/99 is resolvable and easily cleansed by wet tissue or wet mop.