I need help I just brewed my 6th batch and had my first boil over. When it boiled over most of all my hops bubbled out. should i dry hop in the secondary and if so any recommendations of a hop that would work well with a oatmeal stout
I think there are two steps in getting hop bitterness into wort:
The first step is the extraction of hop oils from the plant/vegetable matter into beer and the second is isomerization of oils that allows them to be soluble and actually give you hop bitterness in your beer.
The first step is really quick (within a minute of adding), which is why boil overs do not seem to cause any loss in final IBUs....any volume loss that occurs with a boil-over results in proportional loss of hop bitterness/IBU. Whatever volume/hop oils that are left in your kettle post-boil-over then undergo isomerization (step 2) and you have your beer at more/less at the same final IBU.
Long story short....boil-overs suck because of mess and volume loss...but it really doesn't change bittering level (at least in my experience).
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