Questions tagged [co2]

Carbon-dioxide - an odorless gas at room temperature. CO2 is a byproduct of fermentation and provides carbonation when forced into solution in a beverage. Dispensing pressure is typically provided by CO2.

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Force carbonation function

Does anyone have a formula for forced carbonation level (dissolved CO2) as a function of beer volume, temperature, CO2 psi, and time? I assume that this function would be logarithmic with respect to ...
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Blichmann QuickCarb and Bottling

I used this Quickcarb to carbonate my beer, but when bottled (with a BeerGun) I get too much foam in the bottle and almost no beer, after finally filling the bottle I tap it. And when I try my beer it ...
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Is there anything as too much priming sugar?

I know there are priming sugar calculators out there to help decide how much sugar one should add but is there any thing as too much priming sugar and if yes what would be the side effect to expect? ...
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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 ...
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Closed System vs. Siphon

In my short career in the home brew world I've always transferred the beer from the primary to bottle without a siphon (directly from the spigot). I've started to see that this made my beer darker and ...
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What fitting do I need to carbonate a glass flip top bottle

I'm looking to make some carbonated beverages, and I purchases some flip top bottles. I'm also looking into adapting CO2 with a pressure regulator to carbonate the beverages. From what I've seen I can ...
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Fermentation Just finished up, does this look right?

This is probably my 10th batch and I've never had an issue with drinkability or infections, so i just want to make sure this is normal. I assume it's just Co2 bubbles, but i am not 100% sure. What ...
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Is it possible to know how many volumes of CO2 end up in a keg after force carbonating?

There are two methods used to carbonate a keg: Set and forget Force carbonation In the first method, the keg's PSI is set to a value determined by a kegging chart and is left at that PSI for the ...
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Degassing and it's effects on yeast

I'm wondering if degassing and removing the suspended CO2 (a part of, and a percentage of the wine) changes the totals for ABV% as it applies to yeast tolerance. It seems that by degassing you would ...
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Beergas or just c02

I've recently come across there being beergas or G-Mix and co2. I had originally thought that it was just co2 and not a mixture of co2 and nitrogen. What are the issues with just using co2?
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How many volumes CO2 will push out a champagne cork?

I'm bottling a mead to pass out around Christmas time. I know mead isn't traditionally carbonated, but I want that satisfying cork pop and super effervescence. I have a floor champagne corker and an ...
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Is it safe to use a quick disconnect on a regulator?

I would like to replace the barb fitting on the low-pressure side of my dual-guage regulator with a female quick-dissconnect. I would attach the male part of the disconnect to the gas line. I'm not ...
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Do you have to keg your brew in order to add CO2?

Can I add Co2 to a fermentation tank or to a brightening tank and than bottle it or attach a line to the tap or do I have to put it in a keg?
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Will a pure co2 'welding' gas bottle be ok to use for my corny kegs?

I'm finding it hard to find affordable gas bottles in the UK. I've found a supplier that offer as they call it 'beverage' gas which consists of either 30/70 50/50 or 60/40 split of co2 and nitrogen ...
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Is it bad to let air into my primary fermenter?

My beer has been in the primary for about 5 days now. I can only assume fermentation has stopped as its reached peak krauzen and the froth seems to be subsiding. I attempted to seal up my primary as ...
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Cold crash with airlock or not

While cold crashing is it right to use a lid with an airlock?Do we risk to get oxygen in the fermentor fron the airlock(and as a result to oxidize our beer) while co2 leaves free space as it "goes" in ...
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what have i made and is it safe to drink?

I made a DIY CO2 system for my fish tank. I use fermentation for the CO2. 2 and a half weeks ago I filled a 2ltr soda bottle with water, 2 cups of demerara sugar and a tsp of bakers yeast. This wasnt ...
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Force carbonation through beverage out line

It seems as though there are two predominant methods of kegging: "saturation over time" and "high pressure and shaking". I have also seen only two references to another method: connecting the Gas In ...
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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 ...
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Why my beer is 'choking' when leaving the faucet?

While I don't have a jockey box, I'm borrowed another one again. And I'm having trouble to get a good pour. There are bubbles in the system that never ends, it never happened before to me. Always ...
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lots of gas coming from secondary

Before I racked to secondary, I had checked the gravity a few days apart to make sure fermentation had completed. After racking to secondary, I waited a few days to let it settle out. The water in the ...
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Why is counting airlock bubbles a poor method of determining whether or not fermentation has slowed down or stopped?

I am eager to figure out how to measure the specific gravity of my wort using a Raspberry Pi, Arduino, or other device, but I do not wish to spend $250 for a BeerBug. People on the internet have used ...
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Capping fermentor for carbonation

I'm just doing some reading, and it mentioned capping the fermenter to carbonate the beer by trapping the remaining co2. Has anyone given it a go? What were the results?
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Kegging but without CO2 tank

I got an annoyance issue here. I have a Cornelius keg 19lt and 15-16 liter batch of Wit-beer almost ready to go, but poorly timed.Issue is I currently don't have the CO2 regulator or Tank. Reason for ...
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373 views

Kegging: hose clamp technique?

I'm re-attaching the CO2 to the home made kegerator I've inherited and I'm wondering if there are any steps one should follow for securing the hoses. Securing the hose clamps is pretty obvious, but I ...
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How do I know what value I want for Volumes of CO2

I've bottled about 15-20 batches, but I am ready to keg for the first time. I see the table that has been rep[roduced on quite a few websites, and it has 3 examples with a range for the Volumes of CO2 ...
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1k views

CO2 All Gone - Leaked through tap?

I've had my CO2 tank hooked up to a 3-keg keezer for 6 months with no issue - and then one day I went downstairs and the CO2 is empty - but I haven't used nearly enough for it to be empty - and last ...
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Balancing: Correct Serving Pressure Vs Beer Line Length

How long should my beer lines be in my kegerator or keezer for the perfect pint?
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How is the Heineken Draughtkeg made?

I am sorry for the noob question, I'm not a beer professional, but just curious about some things :) So I've seen this thing: http://heinekendraughtkeg.com/ and it looks like barrel with a CO2 tube ...
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647 views

Ran out of CO2 while force carbonating

I ran out of CO2 while force carbonating. I barely had enough to seal the lid and purge the air out. I plan on getting more CO2 tomorrow but I'm afraid the beer will absorb the CO2 in the corney keg ...
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852 views

My Regulator will not fit my CO2 tank

I live in South Korea and had to buy a 20lbs CO2 becuase they would not service my american 5lbs tank. Unfortunately, my current CO2 regulator will not fit on the korean tank. I assume it is becuase ...
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Converting hose size from CO2 tank

So I am almost done fermenting my first batch of home brew and am about to start kegging it. The only problem is the current hose coming from the regulator is a good bit wider than the nozzle I have ...
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Aggressive foam from Keg

For the record, I am using some storebought kegs, but figure you guys know more about all of this than I do. EDIT: I checked the internet and the couplers to the keg are of the sanke variety. Here's ...
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Should I leave the CO2 Cylinder connected after force carbonation?

I connected my CO2 Cylinder to my Keg and have it currently force-carbonating. However, it will only be needed next week friday. Should I leave the CO2 Cylinder connected for 8 days at 20psi, or ...
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Why is there so much foam when I open the bottle?

I have a batch of beer, fermented and then bottled. When I open the bottle, there is a lot of foam and it flows out of the bottle for a while. What could cause this? I assume it's too much CO2 and ...
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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. ...
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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 ...
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polluted Dark strong Ale when opened bottles

I did 18 liters of dark strong Ale beer A first fermentation was during a period of a week in a bottle glass of 20 liters. A second fermentation was inside little bottles of 355 mL each one during 3 ...
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Why did beer get into my gas lines from my corny keg?

I think I know the answer to this, but I'd like to see an answer listing more conclusively the different reasons why this happens. Some causes I've seen listed: High pressure plus shaking can cause ...
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Kegerator CO2 Line

New to the homebrewing boards and I was hoping someone could help me with a quick kegerator question. I picked up a Danby DKC146SLDB from Costco over the weekend and I just got around to setting it ...
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Yeast, CO2 Toxicity with mead and beer

Degassing CO2 during early fermentation is important for wine and mead. But why not for beer? I'm getting back into mead making and see plenty of references to degassing the must during early ...
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Got first 2 kegs and need advice

I just bought two 15.5 gallon kegs yesterday from a local brewery that is closing its doors. They asked for $15 each so there was no way I could pass them up. They are in great condition. I would ...
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Is a dual-body CO2 regulator worth the additional cost?

I have a five cubic foot chest freezer converted into a kegerator. Since I set this up, I've had a standard regulator and one corny or sixth barrel sanke keg in there at a time. I'm planning to slowly ...
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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 ...
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Airlock required for lagering or conditioning?

If I put some beer in a secondary vessel for medium-term condition (e.g. lagering or dry hopping), do I need to put an airlock on it or can I just close it up with a stopper or put it in a keg and ...
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Gas line : does it need to be sterilized?

I'm reading websites and I'm viewing videos where people show how to wash kegs, but they never wash their gas line. I was wondering if it's necessary to do so? I'm asking this because I would like to ...
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Does a given pressure and temperature determine the number of volumes of CO2?

I have seen "force carbonation tables" used by folks who use keg systems. They apply the tables to getting CO2 forced into a beer, and have an ending number of CO2 volumes in mind, then set the ...
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Measuring yeast activity by collecting CO2

I've been thinking about ways to measure the progress of the primary fermentation, looking for an alternative to taking samples and measuring the gravity. I was wondering if anyone has tried to ...
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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 on the ...
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How to get rid of gas from mead?

I have brewed 5L of mead (1 part honey to 3 parts water). After 9 months I can no longer see any sedimentation in the bottle, however when I taste the mead I can feel it's a little sparkling (besides ...