My bike is ticking...

[Dead Eye]

It was a relatively tight seal. I had the system in operation for an hour and a half the previous day after the drink had just been poured and there were no leaks. The drink was subsequently left overnight so was likely fairly flat in the afternoon when I set it up for the second time. I think thats the most annoying aspect - it worked fine the day before with no signs of malfunction etc and then suddenly it all went to sh!t