Don't put the undiluted starsan into the airlock. Rather, fill your airlock with the diluted solution that you use to sanitize your equipment. If any of that gets into your wine, it won't affect it in the least.
"If guns don't kill people, why do we give people guns when they go to war? Why not just send the people?" - Ozzy Osbourne
Sent from my iPhone 4s.
Canon T2i | EF-S 18-55mm | EF 28mm 1.8 | EF 50mm 1.8 | EF-S 55-250mm
3 whipped dog straights, Gillette Ball End Tech, 1959 Gillette Fat Boy
Secondary: Strawberry Melomel