According to the product label, it is recommended to keep people and pets out of the treated area until the Ortho Orthene Fire Ant Killer 1 dust has settled. This is just a few hours outside. You do not want to remove/wash the product away as it would not be bale to do it’s job.
You will squeeze (hard) the caps sides on the Ortho Orthene Fire Ant Killer 1 while unscrewing. To easily open inner seal: Aiming away from body invert cap and press down on seal to puncture. Rotate cap at a 3/4 turn while pressing down to cut open seal, remove inner seal.
You want to use caution when using Ortho Orthene Fire Ant Killer 1 do not allow people or pets to enter the treated area until dusts have settled. Follow label accordingly.