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    Limiting oxidation: effect of purging headspace O2 in a bottle conditioned IPA

    Russian River's Vinnie Cilurzo recently shared a video in which he shows how simply swirling the bottle immediately after filling causes it to foam over enough for him to cap on foam. He shows this as part of an amazing segment where he uses a variety of purging and capping regimens, measuring...
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    Great Dissolved Oxygen demonstration

    In a recent video, Vinnie Cilurzo and Russian River's lab head discussed many topics regarding managing oxygen levels in brewing. At one point they did a live experiment where they used a very expensive dissolved oxygen meter to measure oxygen levels in hand-filled and capped beer bottles...
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    Walk Me Through a Pressurized Closed Transfer Please.

    Just to clarify: you've been transferring carbonated beer from all rounders and letting the pressure drop during the transfer process? One possible explanation of our different results is that you were brewing lagers and presumably let the yeast cake compact significantly (you said "pasted to...
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    Walk Me Through a Pressurized Closed Transfer Please.

    If your donor keg is at 15 psi equilibrium you want to do the entire transfer without letting the donor keg fall below 15 psi. Otherwise, CO2 bubbles will be forming within your trub layer and they will spew yeast and/or hop particulate into your previously clear beer. (Bobby's technique in...
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    Hydrometer test jar hack?

    This picture is my test jar. It is a .75" ID plastic tube I glued to a plastic base. The tube is polycarbonate or acrylic purchased from TAP plastics. I don't remember how I glued it to the base but the internet says superglue and epoxy work well on those plastics. It only takes 1oz of wort or...
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    Picnic Tap 2.1

    I can confirm that it would be virtually impossible for this tap to accidently pour beer. My biggest fear used to be the fridge door pressing the lever on the old picnic taps and dispensing gallons of beer behind the closed fridge door. That is simply not possible with this tap because it works...
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    Upgrade Mis-hap. What now?

    BrewHardware has a cheaper, better plug that's also a lot easier on the eyes. Weldless Plug Assembly for 13/16 or 7/8'' holes (1/2'' NPT) That Northern Brewer plug also looks like it might leak without strategic use of teflon tape.
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    Question about fermenting under pressure without a spunding valve

    One source is Beer and Brewing Magazine: "Then, for each additional volume of carbon dioxide, you need to add about two gravity points (1.002) worth of fermentable sugar. " So for 2.0 to 2.5 volumes you would want to close your tank when you are 4-5 points from final gravity. The problem is...
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    Question about fermenting under pressure without a spunding valve

    Looking at it simplisticly, yes it could blow it up. You said there were as many as 10 gravity points left which would produce as many as 5 volumes of CO2 (a rough rule of thumb is 1 volume for every 2 gravity points). You have 4 gallons of Golden Ale so 5 volumes of CO2 is 20 gallons of CO2...
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    Unitank users: How do you avoid oxygen when connecting tri clamp accessories?

    Very. I do the same as TheMadKing. I hate it though because the pressure invariably causes the gasket to deform and seal up the gap, requiring me to open up the tri-clamp more than I'm comfortable doing (I'm worried about having a fitting hit me in the face if I open the tri-clamp too far). I...
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    For those considering their first brew...let's talk about kveik yeast!

    Great idea. A beginner can also gain benefits from using one of the dried kviek yeasts available: No need for a starter means less equipment, complexity, and time Little risk of underpitching No need to refrigerate yeast during shipping or storage Kviek (liquid or dry) offers additional...
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    How much CO2 is produced during fermentation?

    I purged 5 gallons of StarSan from a keg in 25 minutes with the blowoff from a 10 gallon Voss Kveik batch. That thing was cranking! There is a ton of extra Co2. The oft-cited rule of thumb is you get about 1 volume of Co2 from every 2 gravity points drop. So if a 5 gallon batch ferments from...
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