Just had a right nightmare with my second brewday on the grainfather... I'm not entirely sure what happened, but my sparge water pretty much fell through the grain bed in 2 mins flat, which was a pretty big indication of a problem. Once I removed the malt pipe for the boil, I realised I had a HUGE amount of grain in the boiler, maybe a third of the whole mash. Preboil gravity reading was a full 10 points short of expectations.
I think maybe the bottom filter plate slipped as I was lifting the grain pipe into sparge position, which dumped a big chunk of mash straight into the boiler and left me with no proper grain bed to sparge through.
I've seived most of the grain out and started a 3.5 hour boil to get back to the gravity I wanted, but this is baaaaaaad.
