Black Island Brewer
An Ode to Beer
Looking for folks with actual experience brewing BIAB with high percentages of non-diastatic adjuncts.
I brewed an american light lager with 57% floor malted bohemian pilsner malt, 3% acidulated malt, and 40% pregelatinized rice,total bill 7+pounds. Mashing lower - 149F - I got a failed starch test after 60 minutes, so I let it go for another 30, still failed, said "screw it", brought it up to mash-out, boiled, fermented, kegged and drank. Brew club tasters were shocked at how good it was. Nice. But still, failed starch test.
From what I can tell, the diastatic power of the pils malt is 120. Dividing that by the total grain bill, I still have total DP of over 65, more than enough to convert the rice.
My first thought is that the DP of the pils may not actually be 120. My second thought is that a grain bill that small in a full volume mash may be too thin to work effectively on a mash with high adjuncts.
Have you ever done a mash like this, and how did it go?
I brewed an american light lager with 57% floor malted bohemian pilsner malt, 3% acidulated malt, and 40% pregelatinized rice,total bill 7+pounds. Mashing lower - 149F - I got a failed starch test after 60 minutes, so I let it go for another 30, still failed, said "screw it", brought it up to mash-out, boiled, fermented, kegged and drank. Brew club tasters were shocked at how good it was. Nice. But still, failed starch test.
From what I can tell, the diastatic power of the pils malt is 120. Dividing that by the total grain bill, I still have total DP of over 65, more than enough to convert the rice.
My first thought is that the DP of the pils may not actually be 120. My second thought is that a grain bill that small in a full volume mash may be too thin to work effectively on a mash with high adjuncts.
Have you ever done a mash like this, and how did it go?
