The windex is safe on pets
, you probably already have some, (any window cleaner w/ ammonia
I know they can travel from out, to in the house, in 8 hrs. (I've timed them). Yes, I actually do have a life, (sort of). You could also get a magnifying glass and just decapitate one and leave it's body by the fan. This might scare 'em off. Ya think??
Hugs, Ant B, ( I mean, "Wassup'), I'm NOT an ant! REALLY, I don't even LOOK like an ant, HHHHHEEEELLLLPPPP!!!!!!!!