8
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Is a counter flow chiller good for cooling wort?
This is a type of counter flow chiller.
The manufacturer should have some specs on it. Mainly what the heat exchange efficiency is at specific GPMs.
For example 100% eff at 1gpm wort and 1gpm ...
- 18.5k
6
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How much will initial oxygen in wort affect final alcohol in beer?
"This means that the initial metabolism will be aerobic. Aerobic metabolism of sugar yields no alcohol, but still reduces the gravity."
Well, actually this isn't true in virtually all fermentation ...
- 6,437
6
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How much wort should be left in the brew pot?
The strategy for getting the most wort into the fermenter is to dump it all in.
Everything, hops and everything. I don't scrape the stickies off the wall of the pot, but I tip the whole thing into ...
- 366
5
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How much wort should be left in the brew pot?
Although we need more information to be more specific, the general answer to "how much wort should be left behind" is "as little as possible". One thing you can do is pour the wort through a ...
- 33.4k
5
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Does this look infected?
Everything I see there looks normal. Green floaties, just hops. Clean surface, no pellicile starting. Some bubbles, c02 still being produced.
- 18.5k
4
votes
What is a grant?
As a professional beer brewing equipment manufacturer,we would like to make a detailed clarification for the device "wort grant" here.
The wort grant is generally being installed between the lauter ...
- 41
3
votes
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How to store sugar wort?
One easy and convenient way to store sugary wort in order to make futur starter is to freeze it.
You can store your frozen wort in your freezer for a long time (i'd say at least 6 month).
I would ...
- 799
3
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How much wort should be left in the brew pot?
Another easy solution is to use a muslin bag during your boil. Homebrew shops sells them in bulk for under a dollar each. They are like pantyhose and stretch a lot. Stick it in your kettle and clip/...
- 141
2
votes
Does this look infected?
Judging fermentation by how long you see activity in the airlock is unpredictable. You saw some activity, which is a good sign.
Did you happen to get any hydrometer readings?
That green stuff ...
- 549
2
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How do you cool wort?
Passive Cooling: I seal up the wort and leave it overnight in a room tempurature area or outside, whatever. If the area is too cold, I check the wort starting at about 6 hours, so it doesnt get too ...
- 137
2
votes
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recipe confusing -- boil only some of the wort?
2.8 lbs of milled grain will absorb approximately .34 gallons of water, so if the authors mash tun has .16 gallons of deadspace that would explain 2.5 gallons total water going into the mash tun, and ...
- 276
2
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How much will initial oxygen in wort affect final alcohol in beer?
As FranklinPC rightly points out very little will go into aerobic respiration, some will as the TCA cycle is not shutdown, but it is trivial.
Mostly the 10ppm of O2 is there to ensure that the yeast ...
- 7,048
2
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GCB Materials on Cold Wort Aeration
'Wouldn't the relatively cool temperature of the wort actually increase the solubility of the oxygen, and so reduce the need for vigorous mixing?'
For sure. Looking at those revision notes, I think ...
- 6,437
2
votes
Brewing with tamarinds
Consider what will happen to the sweet and sour balance when the fruit and honey undergo fermentation. The fructose and glucose will be converted into alcohol. They shouldn't leave any noticable ...
2
votes
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Can I move the beer to another location while its fermenting?
Either way should be fine. Although I'd probably pitch the yeast before moving it just to avoid having to have another thing to do after moving it. 2 hours probably isn't enough for it to start ...
- 1,783
2
votes
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What to do with blowout Krausen/wort
Dump it out. Pouring blowoff back in to save yourself a pint of beer risks the entire batch for infection. In the future you can use a bigger container for primary fermentation- but even so, blowoffs ...
- 1,783
1
vote
How much will initial oxygen in wort affect final alcohol in beer?
At the most basic level of matter conversion resulting in loss of gravity in the beer it must exit as a volatile (gas co2,o2), or be converted into a larger molecule that uses more space than before ...
- 18.5k
1
vote
How long can beer be exposed in a primary fermentation bucket?
I imagine there’s less air-born wild yeast spores indoors in the winter, so contamination is less likely, but resist opening lids. At end-of-boil all is sterile, so I put a weight on the lid, let it ...
- 11
1
vote
How long can beer be exposed in a primary fermentation bucket?
Most likely it will turn out just fine, but you did add risk of infection keeping the lid off for a while. In future you should keep the lid on it, just to keep any wild organisms from flying into ...
- 3,425
1
vote
How to store wort without hops
Just keep it covered and boil again the next day. Hopefully some stray yeast floating around in the air doesn't start things, highly unlikely. Boiling will kill anything that would be floating around ...
- 3,012
1
vote
Hops Wort Absorption
Beer-N-BBQ by Larry says hops absorb 0,0033L of wort per gram. I don't know where the value actually comes from though.
- 245
1
vote
Hops Wort Absorption
I use an Italian made brew calculator, Calcoliamo Birra, app that calculates hops water absorption at 0.12 qt/oz which is about half a cup per ounce.
Update: Last night I made a hop tea to increase ...
- 344
1
vote
Accepted
Total Yeast Cell Count
If you are combining the starters you have:
0.34B/mL @ 6L = 2040 Billion
1.46B/mL @ 1L = 1460 Billion
Total Yeast Cells Combined = 3500 Billion @ 7L
After combining the starters, cold crashing will ...
- 26
1
vote
How to store sugar wort?
The method I’ve yet only heard of, used by breweries and homebrewers alike, is to boil the wort for 10-15 minutes and freeze it. This would also is in line with traditional German Reinheitsgebot.
...
- 711
1
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How to store sugar wort?
I heard pressure cooking the wort is a great way to make your wort storable for couple of months: https://www.themadfermentationist.com/2014/11/pressure-canning-starter-wort.html
Never tried it ...
- 628
1
vote
Esoteric question about mashing/saccharification technique
No, they would taste very different. Malting not only activates enzymes, the kilning changes the flavor.
- 33.4k
1
vote
AG brewing newbie, can only hit 50% efficiency, what's going wrong?
That part where you said that "it got a bit hot at first" is likely your culprit. The enzymes that break starches down into sugars (Amylase) don't like getting too hot and they die off. It's far ...
- 1,152
1
vote
Best time to transport wort in a car
I've conducted the mash and boil in one place and transported prior to fermentation in the past, with no issue. Yes, the drive will aerate some...but you will certainly need to aerate more prior to ...
- 11
1
vote
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Best time to transport wort in a car
I don't think there is a "better" here. Certainly the drive will help aerate, but I wouldn't rely on it. Shake the fermenter well before pitching.
On the other hand, jostling the already pitched ...
- 982
1
vote
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Whirlpooling vs. Flameout (Knockout)
These two hop addition timings are quite similar. Your guess about flameout is mostly correct, adding the hops right after you turn off the heat.
Whirlpool refers specifically to a strategy to ...
- 933
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