Is this boil enough? I'm a bit curious because it's not much activity besides where the immersion heater is...
https://www.dropbox.com/s/d4lzcsqlorr0t6m/IMG_3525.MOV?dl=0
https://www.dropbox.com/s/d4lzcsqlorr0t6m/IMG_3525.MOV?dl=0
Enough boil?
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seabrew8
Well-Known Member
Thats fine mine is about the same. I lose about 3 liters per hour.
microbusbrewery
Senior Member
That looks a little weak to me. At what point was the video taken...well into your boil or right as it was reaching boiling? Also, are you doing extract brewing or all-grain?
MonkeyMountain
Member
That's just water, right? I think you are good.
I think that is fine. A bit on the weak end but, you don't need a leaping volcanic roil.
There are 2 (that I can think of) for the boil in your wort. First is to drive off DMS which will get you a creamed corn flavor in your finished beer if allowed to remain. DMS is formed in the boil from SMM in the grain. If your grains don't have much SMM, then you don't get much DMS to boil off. Many modern malts don't have much SMM so a weak boil is not a problem.
The second reason to boil is to isomerize hop oils because that is where bittering comes from. Since the isomerizing happens at temps over ~180, any boil is sufficient.
The second reason to boil is to isomerize hop oils because that is where bittering comes from. Since the isomerizing happens at temps over ~180, any boil is sufficient.
A strong boil may get you more Maillard reaction which will darken the wort.
microbusbrewery
Senior Member
DMS is part of the reason I asked if the OP is doing extract or all grain; if extract, driving off DMS precursors isn't as big of a concern. But that really isn't what I'd consider a rolling boil...kinda looks like bloop, bloop, bloop. But again, not necessarily a problem.
seabrew8
Well-Known Member
I make all grain has well i have yet to experience any major off flavours. I really enjoy most of my beer so i'm convinced that when i don't get what i want it doesn't have anything to do with a relatively weak boil. Like i said i still lose 3 liters or so per hour.
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