Hot answers tagged high-gravity
It all comes down to mash temp. Lower mash temps(145-148) will yield more fermentable sugars. Down side is you lower your mash efficiency and need to compensate with more grain or adjuncts. But you will have a substantially dry beer. Even with a iipa you should be able to hit 1.01.
Your best bet is to add all your fermentables at once. The reason is that if you wait until your 7% beer has completed primary fermentation to add more yeast, you are adding that alcohol tolerant yeast to a hostile environment - one in which there is already a high level of alcohol present. Despite being bred as a "alcohol tolerant" yeast, it is still yeast ...
Is this a 10 gallon batch? The crystal malts are only around 10% of the grist, so I don't think you have a problem there. I would consider 78 F too warm for pitching WLP001, but I doubt that's your problem either. My guess is that the fermentation has slowed down because you under pitched and presumably didn't oxygenate the wort. Each White Labs vial would ...
Try the tab that says "repitching from slurry" and it will show the volume of (packed) yeast that calculated. It will be much less than the volume shown on the first tab, which seems to be the 2.75L you referred to above.
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