So I brewed up a batch of Brandon 0's Graff about a 2 months ago and bottled it all after 3 weeks of primary into 1 liter flip top bottles. After 2 weeks of carbing, I began drinking them; had about 6 liters now and all seem to have carb'd up nicely. However, last night I popped one open and it started foaming all over the place and reeked of vinegar. I just dumped the bottle and had a CDA instead since the cider malfunction kind of turned me off. What's the deal, was this bottle infected or what, or are all my remaining bottled going to be disasters like this?