I had Starsan being sucked out of the airlock a few times, but could not detect an off flavor. Now the Starsan standing in a bucket for a week or so does get a metallic odor. Maybe it does gets metabolized in the wort.
Preparing: Belgian Wit | Arrogant Bastard Clone | Fresh Squeezed IPA | Some Sours
Dry hopping: Raging Bitch Clone
Aging: Old Treacle Mine
On tap: Wheat Saison | Rosemary Wheat Saison | Pocahontas Pumpkin Ale
Kicked: Great Lakes Christmas Ale | Caramel Amber Ale