I've read on a previous thread here that supposedly ascorbic acid by itself can become a super oxidizer instead of an antioxidant. But I've used it by itself and never noticed an issue. And noticed many food items using it as a preservative by itself with no MS. And I know metabisulfate is good...
So I started brewing a couple months back so my experience isn't massive. But I've read John Palmer, and try to stick by "the book." In terms of all the brewing literature/knowledge I've obtained as far as proper procedure. But with that being said on to what I am sure is a "noob" problem...