Ah bobbins, sorry to hear that mate, that sucks. Spent a bit of time cleaning the drains myself this afternoon - still got lots of bottles left from AG#12 & 13 which have never come good (used the same yeast cake in both, musta been dodgy somehow). I was thinking to myself, better to be realistic and honest with yourself - if it's not right it's not right, no sense pretending otherwise, just understand what went wrong and make it right next time