Vinegar

We use vinegar for canning, usually when making pickles, whether using fruits or vegetables. Have you looked at the labels? I usually buy Heinz, but knowing that I was going to do a lot of pickling this summer, I purchased the "store brand" because it was cheaper. I did check to see that it was also at 5% acidity. What I didn't realize until after I had already used it was that the store brand was apple cider FLAVORED vinegar. I want the real stuff, so the flavored vinegar will go into long-term storage, ie.--it won't be used unless that's the last stuff I have.