Thank you all for the feedback. I'm still debating if I want to keep the beer or throw it out. I'm not as concerned about the zinc as I am about other dangerous metals that might have been in the coating, like lead. I might try to test the beer for lead if I can find a kit that would work. I'm...
I brewed today and used a galvanized paint stirrer to aerate for the first time. Before using the stirrer i put it in a bucket of starsan to sanitize. When i took it out it was all black. I'm assuming the zinc dissolved in the acidic satarsan. I was able to wipe it down and got some black...