So here goes, I kegged up my last brew and got it carbonated nicely but it tastes a bit too sour/bitter. It was one of those Alfreds extract kits for a witbier with orange and coriander. I had a few bits floating in it after the secondary but not alot so didn't really worry too much about it when I kegged it up. I was expecting something a lot paler and lighter with a bit of zest from the orange but what I got is quite dark with a bitter taste. I am a real stickler for sanitizing and haven't had any trouble in the 15 or so batches I've done before. Not really sure what do with this batch now, would be a shame to have to toss it but I don't want to drink something that's no good. So is there some way I can tell if its an infected batch or just a bitter one? Any advice welcome and thanks in advance.