Hi guys looking for a definitive answer on an off flavour. Ok so 2 months ago i brewed a blue moon clone and as far as i could tell everything went well. Hit my og and fg and bottled. Had a taste on bottling day and it tasted fine (after adding priming sugar though) anyway left it upstairs at room temp for 4 weeks, tried a bottle and.......BAD!!! the only way to desctibe the taste is it tastes and smells like an antiseptic cream almost like germolene. Waited another week and tried another........same problem! It tastes like ass! The carbonation and colour are fine but the taste is nasty. Any thoughts on what went wrong? My sanitizing is flawless everything gets sprayed to death with starsan before it goes near my wort or beer. I read somthing that suggests it may be bad grain but the smell and taste seemed fine all the way through to the final product. I do think i over pitched the yeast. I used a wyeast3068 and it had 24 hours in a 1.25 L starter but im not convinced that that is the cause of this disgusting taste. Thanks in advance guys.