Hello clean person. I have a Biloh (that's our dog - his actual name is Shiloh f.k.a Timmy f.k.a Jack) and he's a resuce that came with huge separation anxiety issues. He likes to do peepees in our tiled basement when we are gone. In some areas, the grout has soaked up some of his sad, nervous tinkle and has set in.… » 2/28/14 2:39pm 2/28/14 2:39pm