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I haven't seen any visual signs of infection, either during fermentation or in the keg/bottle/glass. There hasn't been any change in the colour, no extra cloudiness and carbonation is fine too. Apart from the sour taste everything is perfect! I do use a HEPA filter with the pump, which I...

I cleaned out my kettle ball valve thoroughly for the last brew, but it could easily have been the source of the original infection in an earlier brew. I haven't got much plastic left on the cold side, but I'll certainly be changing it all now. The flavour is pretty subtle at the moment so...

I transferred to the keg using gravity and a single piece of silicone tubing from the brewbucket tap. I spray the tap from the FV with sanitiser every time I use it so there shouldn't be any wort/beer there to become infected. I'm definitely replacing the tubing since it's the only non-metal...

Apologies for posting about a common beginners issue, but I've got some specific questions about the sour infection problems I've been having that don't seem to be covered in the posts I can find. So I've been brewing for 9 months with 6 or 7 brews under my belt, all all-grain. I started out...