Especially the part about watering the apartment above me (it's my Landlady!)Between insomnia & impatience, I have all the tile up from the kitchen floor.... I hope the Home Depot guys can help with info on "acid wash" all my acid experiences were at parties in the 70's. Have solved the exterior leaks (it pays to date the Handyman!) and now I have only the interior leak to contend with....coming through the shared bathroom/kitchen wall....in conjunction with my morning shower....should I start dating a plumber??