Acidulated malt

[jibba02]

Watch from 5:05
Apparently caused by bad Acidulated malt

https://www.youtube.com/watch?v=dMSMugPnNwk

 

[Danscraftbeer]

Freaky. Bad batch of acidulated malt can do that? How much % Acid malt I wonder. I've used it up to 10% and that was too much for the Red Ale I made IMO. Its powders a lot finer than the other grains and can cause a blocked sparge if run off too quick but that glaze jelly stuff if freaky. Never seen that before.

 

[klangers]

Acidulated malt is produced by introducing lactic acid bacteria to the germinating malt (other methods too), so if the kilning is insufficient or the storage conditions are too moist then the bacteria can carry over to the finished product and go a bit bad.