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Questions tagged [pressure]

For questions relating to the measurement or prediction of gas pressure in homebrew (e.g. when kegging and force-carbonating).

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Counter-pressure bottle filler and exposure to oxygen

I have a question about the process of using a counter-pressure bottle filler to transfer beer from my keg into bottles and how to keep the beer from being exposed to Oxygen in the process. I'm using ...
Hosack's user avatar
  • 101
2 votes
1 answer
111 views

Can I use a spunding valve on demijohn/bottle?

Is there such thing as a spunding valve for a demijohn or swing-top bottle? I want to make elderflower champagne for the second time. Last year it was fermented in plastic bottles, and one of them ...
EngineerBetter_DJ's user avatar
1 vote
1 answer
317 views

Co2 regulator pressure vs flow

I'm researching on buying a pressure regulator to put on a co2 bottle. Now I'm finding "flow regulators" (I guess for aquarium) that give the output in litre/min. I am now wondering if it is ...
Alexander's user avatar
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1 answer
246 views

Brewing a NEIPA under pressure: magnet in dry hop bag is stuck to the tilt hydrometer. Should I open & remove?

I'm brewing a NEIPA in a Kegland Fermzilla under 10psi of pressure, and I planned to have 2 dry hops without depressurizing or opening the fermentor. I have a tilt hydrometer in the fermentor and ...
Snowman's user avatar
  • 331
0 votes
1 answer
220 views

Is Fermentation without airlock possible in bottle?

I added sugar and bread yeast to a bottle(plastic bottle) of juice and it's about 3 days that it's fermentation process got started and I can see a lot of bubbles are coming up. Now the bottle is ...
Mahyar Shokraeian's user avatar
2 votes
1 answer
53 views

Set up of keg / beer tap at home

I would really appreciate some advice, at home I have Pilsner keg beer in my cellar at 12c (53f)it is being propelled with a gas cylinder containing 80%nitrogen and 20% carbon dioxide which is at 2.6 ...
Bill Russell's user avatar
2 votes
1 answer
87 views

increase pressure in fermentasaurus

I'm making my first pressurized brew using a fermentasaurus . All has been well for the first couple of days, but unfortunately one of my children had a "what does this do?" moment and opened up the ...
jmls's user avatar
  • 21
2 votes
3 answers
986 views

Carbonation process - Using the carboy

I've been homebrewing for a few months now (it's now my 15th liter!) and i was thinking about making my beer clearer/better. The best thing i could come up with, in my homebrew gear, was trying to ...
Orsu's user avatar
  • 131
2 votes
3 answers
777 views

kegged cider CO2 foam, not much sparkle though

Left it for two weeks at 2.3 bar (35 PSI) and 17 C (59 F). Poured a 2 liter bottle, it made beer-like pleasant foams upon pouring but it had almost no sparkles to the taste bud. Should I let it sit ...
kellogs's user avatar
  • 281
0 votes
1 answer
151 views

How to fully carbonate a keg with no beer line at very low serving pressure?

I use a tap attached directly to my corny keg (similar to this: https://barleyhaven.com/corny-keg-faucet-tap-ball-lock.html). That means I have my serving pressure at 10kpa. My carbonation method is ...
Snowman's user avatar
  • 331
2 votes
2 answers
189 views

No carbonation in pressure barrel

I recently made some cider, but when the day finally came to try it there was no carbonation (evidently due to a slight hole at the top of the pressure barrel). I am planning on transferring the cider ...
Ian Plant's user avatar
6 votes
1 answer
212 views

Air burst when pouring from Keg

I'm running taprite dual regulator on 10lb bottle. Ever since I taped a 58l beside my 20l keg, I get CO2 bubbles in my beer line which creates an air burst every time I pour a beer. Is it possible my ...
Dre Lamoureux's user avatar
2 votes
1 answer
588 views

How to fill a Corny with Commercial Beer

It may seem odd that a Homebrewer wants to do this, but my last batch didn't go to plan and then my wife decided to invite our friends round for a BBQ this coming Saturday. I'd prefer to have ...
AlexS's user avatar
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3 votes
1 answer
118 views

Minimum working pressure of stainless fermenter to carbonate in fermenter

Which is the minimum working pressure to be capable to carbonate my beer inside the fermenter when the fermentation is over? I'm about to buy a 0,1MPa (working preassure) fermenter.
user3661649's user avatar
2 votes
2 answers
584 views

How do I open a pressurized bottle of home-made wine?

Good day. I am an amateur without any necessary equipment to degas my brew. Last night, I forgot to check on it; now the bottle won't even bulge so I can release that unwanted pressure from the c02 ...
Wil's user avatar
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5 votes
5 answers
2k views

Can I store beer in wine bottles

I have only standard wine bottles available, are they strong enough to hold bottle primed beer (max. 30 psi) without exploding?
mad_brewer's user avatar
3 votes
2 answers
654 views

Residual CO2 from fermentation as a function of altitude

I'm looking for a graph or table (preferably in metric values) that shows the amount of residual carbonation after fermentation under ambient pressure as a function of atmospheric pressure and/or ...
Frank van Wensveen's user avatar
3 votes
1 answer
452 views

Pressure is dropping while force carbonating

I'm new to kegging. I set my regulator at 20psi and have noticed it drops a bit every couple hours. There are no leaks that I know of and the tank is external if that helps. Any ideas why this is ...
tacotime's user avatar
0 votes
1 answer
308 views

At what pressure reading should I refill my CO2 tank?

It seems like the pressure reading seems to go from ~400 to 0 when I'm not looking, but some of the regulators have a red area, marking when pressure is low. I ask because I had to order a new ...
Wyrmwood's user avatar
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3 votes
2 answers
75 views

Safe rated pressure for a sankey connection

Does anyone know the rated pressure for a Sankey connector? I see Sankey-fitting kegs are rated 60-120 PSI, so is it safe to assume the connectors themselves are good for at least 60psi? (I'm making ...
RobertF's user avatar
  • 31
6 votes
2 answers
407 views

Putting a stopper in a fermenter if you leave it for a long time

On another question about leaving brew longer in a second or primary fermenter for a long time, many state they have done this with little to no negative affects as long as you keep your breather full ...
user13123's user avatar
1 vote
3 answers
1k views

How to remove/service static relief valve on a pin lock keg?

i have a pin lock keg with a leaking static relief valve. The lid looks like this: I can't figure out how to remove the innards of the relief valve to fix it. Any ideas?
PCR's user avatar
  • 11
3 votes
1 answer
594 views

Troubleshooting wild pours from kegerator

I recently bought an Igloo 6 ft^3 kegerator as my first venture into kegging. It worked very well the first day but has been pouring wildly ever since. The beer line is 4.5 feet of 3/16" PVC; based ...
Grafton C.'s user avatar
3 votes
3 answers
6k views

Is it possible to do pressurized fermentation in a mini keg?

I have been keen on moving from bottles to use kegs in my amateur home brews. Due to a lack of space and because I just like the size and mobility of the smaller kegs I'd like to try to use multiple ...
Robert Sköld's user avatar
1 vote
3 answers
1k views

Can I use my CO2 regulator as a inside keg pressure checker?

If I force carbonate my keg, and after that I close my CO2 cilinder valve and plug my gas line into my gas in quick disconnect. Would this make my CO2 regulator to work as a spunding valve and let me ...
jards's user avatar
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3 votes
1 answer
105 views

High Altitude Nitro

I recently relocated to Denver and found some excellent advice in this question but I was wondering since drj mentioned that since carbonation is an issue how that will affect my nitro setup and ...
Sean's user avatar
  • 177
3 votes
1 answer
8k views

Balancing: Correct Serving Pressure Vs Beer Line Length

How long should my beer lines be in my kegerator or keezer for the perfect pint?
Another Compiler Error's user avatar
2 votes
4 answers
3k views

Lack of head/foam/carbonation in my beer

I've been brewing wine for a few years now but only just recently turned to beer. I've just finished (as in "consumed") my first brew and have now got my second one on the go. Both of my brews are ...
Doug's user avatar
  • 463
1 vote
1 answer
906 views

Inward pressure when fermenting cider

I am making a cider using 1.5L apple juice, 1 cup sugar and Saflager s-23 Dry larger yeast. I was using a balloon with a pin hole as the "air lock" on this as all my air locks were being used. It ...
WillNZ's user avatar
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0 votes
2 answers
3k views

Underprimed Pressure Barrel (Didn't add enough sugar at start of secondary fermentation)

Whilst following my first batch of home brew instructions, rather than using a Priming Calculator we added the amount recommended for bottling (1/2 teaspoon per pint). It's been in the pressure barrel ...
Jim's user avatar
  • 103
0 votes
2 answers
5k views

What's the amount of psi a 5 gallon water bottle can hold?

What's the amount of psi a 5 gallon water bottle can hold? My 5 gallon is filled with beer and a compressor is used to maintain a pressure. I do not want my bottle explodes! I use a 5 gallon of water ...
Pier-Alexandre Bouchard's user avatar
3 votes
2 answers
16k views

Can a keg explode?

As I read in some answers to other questions they should not explode, is it true? Why is that? Is it because they have a safety valve or just because they are very strong?
Paolo's user avatar
  • 1,516
9 votes
1 answer
10k views

What are the benefits of fermenting under pressure?

I hear that some brewers ferment under pressure. What is the rationale/benefits of doing this?
mdma's user avatar
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9 votes
2 answers
2k views

Pressure during fermentation

I imagine other parameters are more important (like temperature or pitching rate). Still, I was wondering if pressure has some effect on the fermentation process (for example on flocculation, ...
Paolo's user avatar
  • 1,516
3 votes
2 answers
10k views

Why can't I control my regulator's output pressure?

I'm completely new to this, so I don't know if I'm doing something dumb or my regulator is broken. Here's what I'm doing: Here's what I'm doing: I connected this regulator to a 5 lb. CO2 cylinder. ...
Josh's user avatar
  • 133
2 votes
1 answer
191 views

What is the pressure limit for PVC tubing on barb?

I'm building a spunding valve and can't locate an adapter from female flare to male pipe thread. Until I can, I'm planning on using reinforced PVC tubing to connect the valve/gauge assembly to the gas ...
FishesCycle's user avatar
  • 9,028
6 votes
2 answers
3k views

How can I ferment in a corny keg under constant pressure?

I'm thinking about switching from fermenting (primary and secondary) in glass carboys to using Cornelius kegs. Specifically, I'd ferment a 5.5 gallon batch in a 10 gallon keg. My goal is to ferment ...
FishesCycle's user avatar
  • 9,028
0 votes
1 answer
1k views

Different Carbonation Levels on a Single Manifold

I have a Belgian Golden Strong and an American Brown that are both going into the same keggerator that share the same manifold. I would like to carbonate the Belgian at a higher value than the ...
Jason V's user avatar
  • 284
6 votes
3 answers
7k views

Why is the pressure slowly decreasing when force carbonating a corny keg?

I just set up a new kegerator with a corny and 5 lb CO2 tank. I turned the tank on and at first I had a leak I could hear/feel, but I tightened everything and sprayed with starsan and don't see any ...
paul's user avatar
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2 votes
4 answers
10k views

How do I get CO2 flowing into keg?

I have just kegged my beer and connected the regulator to the CO2 supply. I turn it on and I get no pressure. On my regulator the needle has moved up to the top of the "buy more" zone, but ...
swasheck's user avatar
  • 147
6 votes
3 answers
27k views

How do I reduce the amount of head when dispensing from a keg?

I just got a couple of used kegs from a former brew club member, he had to move away and sell all his brewing supplies :-( The good news was that I picked up two kegs, a CO2 tank and all the required ...
Nathan Koop's user avatar
  • 2,659
4 votes
5 answers
10k views

Do some beers really require special bottles due to pressure?

I recently fell in love with Green Flash's Double stout. I noticed their bottles feel significantly heavier than all my other bottles, and in looking online found this press release. I know many of ...
Mlusby's user avatar
  • 2,144
1 vote
2 answers
3k views

How to use a Hambleton Bard s30 cylinder?

I've recently purchased a second hand (hence no instructions) pressure barrel keg that has an s30 adaptor that fits a Hambleton Bard cylinder (which I have also bought). How do I actually use this ...
Perrin255's user avatar
  • 401
4 votes
2 answers
1k views

Bag-in-box packaging

Is it suitable for beer "bottling" or would the pressure tear it apart? If it's suitable it could be really useful since it can contain a large quantity of liquid with low package weight.
Tetragrammaton's user avatar
13 votes
3 answers
8k views

Corny keg that won't hold pressure.

I have a corny keg that won't hold pressure unless it's kept at constant pressure at around 10 - 15 psi which apparently is enough to compress the seal against the opening of the keg enough to stop ...
topfermented's user avatar