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Old 03-11-2010, 01:20 PM   #1
mmonacel
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Default Can a blow off tube fit on fermenter bucket?

Hey there - I recently bought the intermediate brew kit from Midwest Supplies. It comes with a 6.5 gal Ale Pail with a small hole drilled with a rubber grommet in the lid which is the perfect size for an airlock. I'm concerned that I might get some blow off. I ordered a blow off kit from northern brewer, but it's a fairly wide hose connected to a drilled stopper for a carboy. Does anyone use blow off tubes for bucket fermenters? If so, I'm guessing I need to drill a much larger hole to allow for drilled stopper.

Questions:
- Is this normal or is there a small blow off hose that people use for this situation? I'm guessing it's gotta be really small since the hole is so small
- If I need to drill a new hole, does anyone know the correct size to use and the best way to drill this out to keep it clean and to ensure a tight fit with the stopper?


Thanks in advance!

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Old 03-11-2010, 01:24 PM   #2
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One of the advantages of using a bucket is that you typically don't need a blow off tube due to the large amount of head space. Why are you concerned about blow off? Are you brewing a larger batch or something?

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Old 03-11-2010, 01:26 PM   #3
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I just use a hose that fits the existing holes (although I had to enlarge one so all three lids match). Measured the hole and went to the hardware store.

Since you ordered a kit, wait to drill out the hole until the kit arrives. A Step drill is the cleanest way to make the hole. It also has the advantage that you can "step up" the hole until you like the fit.

You'll also need a new stopper with a hole for the airlock.

I've blown lids off of buckets and here's a recycled picture of happy yeast:

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Old 03-11-2010, 01:33 PM   #4
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I think you could drill the hole bigger to fit the stopper. If you wanted to use your air lock you could get another stopper with the smaller hole for it.

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Old 03-11-2010, 01:34 PM   #5
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I have some 3/8" tubing (i think that is the size) that fits right into the rubber grommet with some convincing.

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Old 03-11-2010, 01:36 PM   #6
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Rig up an airlock blowoff tube...take your bottling wand hose or other suitable one, put a small slit in it...Heat it for a few minutes in hot water to soften, then do this.





One thing that I do to all my airlocks is saw or break off the little criss/cross of plastic on the bottom of them.

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Old 03-11-2010, 01:38 PM   #7
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my buckets came pre-drilled with a small hole and a grommet for the air lock. On the night before brewing, I thought I would be smart and boil my airlock (it had been sitting around in the garage for a long time). Well, the airlock distorted in the boiling water. Rather than making an emergency trip to the LHBS, I used my bottling tube and a pitcher of water for blowoff. The tube fight tight in the grommet (that's what she said). Worked out perfect. I had to use one of my wife's hair clip thingys to keep the tube in the pitcher.

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Old 03-11-2010, 01:53 PM   #8
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I've had huge blowoffs in a 6.5 gallon bucket. I picked up a chuck of very wide tube at NB in St. Paul that fits perfectly into the neck of a carboy and (as luck would have it ) perfectly into the airlock hole on my plastic fermenting bucket.

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Old 03-11-2010, 02:02 PM   #9
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Wow - thanks so much for the quick and multiple replies! Overall I think Revvy's got a great system set up and it would work best for me. I wouldn't need to drill out my lid any further and can switch back to using the airlock after a few days very quickly without any disturbance. Great idea!

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Old 03-11-2010, 02:24 PM   #10
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I've done the same thing as Revvy so far and it has worked fine for me, my last batch being a 1.062 and the siphon tubing rig handled it no problem, the one thing I have changed though is I've managed to get the tubing to fit into the pre-drilled hole on the fermenter rather than cutting it to fit over the airlock. For me that is just easier but you might find your equipment requires something a little different.

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