Yep, I do the same thing now - StarSan with RO instead if tap water. Lasts a long time. I was using campden as a "just in case", but got away from that. Smooth sailing so far
Always used RO for brewing - I switched my STARSAN to RO (instead of using tap water to mix with the starsan).
Yeah, 0 chlorine or chloramines post-ro, I'm sure. Thanks!
Hey lizard. Figured it out. In my case, the band aid burp may have been coming from using tap water for my StarSan (switched it to RO), or more likely, infection in the bottle.
Unfortunately, this is a slight contamination (infection)... I've had this exact issue occur in a few bottles. You'll see those little spots grow and multiply (but they won't form a full pellicle). Beer will likely taste phenolic or like plastic. Drink it fast if it tastes ok (keep...
Good chance you could have contaminated the batch, but only time will tell. If it's already been fermenting 2-3 weeks, carb it, keep it cold, and drink it asap :)
Hard to say what type it is, someone else on here might know. I'm guessing the only thing you've used is some vinyl tubing to rack into the carboy. Hard to tell if the infection would be present in it or if it occurred after. I would bleach soak everything that touched it post- kettle, and/or...