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Old 12-04-2006, 07:09 PM   #1
lostnfoam
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Default Glass Carboy Blow off

I just recently purchased two 5 gal. glass carboy. I was going to use one for a fermentor and the other as the secondary. I was thinking that i would just put a stpper on it with a 3 pice air lock i would be fine. Today i decided to catch up on some reading about brewing and read that with the 3 pice air lock i will be running a chance of getting it cloged and the carboy exploding... does anyone have a setup of to glass carboys and what do you use for blw off. im thinking about just buying a 1 in. tube to be safe. but i would just like your input.

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Old 12-04-2006, 07:14 PM   #2
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A 5 gallon carboy is going to be a problem as a primary - it's not big enough for a 5 gallon recipe. If you're going to use it for that, you should scale back the recipe or at the VERY least, use a blow off tube. If you don't, you're going to have a big mess on your hands

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Old 12-04-2006, 07:19 PM   #3
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5 gallon carboy for fermentation is going to be TIGHT!!!!

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Old 12-04-2006, 07:22 PM   #4
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yeah im happy i did some reading today. i could have made a big mess. i think ill get that 1 in tubing for a blow off. the book also said that some use the 5 gal carboy with the blow off so that some of the gunk goes through the blow off and it's less sediment to float back to the bottom. but do you think i should still cut back with the blow off or i should be safe?

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Old 12-04-2006, 07:25 PM   #5
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In all honesty - I'd go get a 6.5 gallon carboy. You're gonna want one eventually anyway or you're going to have long waits between brews. You can try the tube, but you're going to end up with quite a bit less than 5 gallons when all is said and done

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Old 12-04-2006, 07:27 PM   #6
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I'd go with an ale pail or the like and use the glass for secondaries.

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Old 12-04-2006, 07:28 PM   #7
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Unless you scale your brews down to 4 gallon US.

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Old 12-04-2006, 07:42 PM   #8
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well i better get i the phone with the company to see if i can change my order. well im happy i fould out the troubles now. ahh well i guess no carboy bomb for chrismas

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Old 12-04-2006, 08:44 PM   #9
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I've used the large piece of airlock --- and I have a piece of tubing that will fit tightly on the post that comes up the middle of it... pop that tubing in a bowl of star-san, and BINGO! Instant blowoff.

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Old 12-05-2006, 11:04 AM   #10
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A 1" ID hose (1.25" OD) will fit into the neck of the carboy. Stick the other end into a jar of water or something. All I have are 5 gallon carboys, and I always start with a blow off tube.

-S

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