Big Mouth Bubbler™ - 6.5 Gallon Glass Fermentor

SKU: U42065
32 Review(s)

When you put your brew in a fermentation vessel, your ONE expectation is that it will stay clean and that your yeast will be able to eat happily without anything funky going on. A strictly non-funky fermentation party. That's it. But how can you expect the cleanest and safest fermentation environment when you can’t even scrub the bottle with your own two hands? Superior to a carboy, this vessel was designed especially for sanitizing and fermentation.

Brewing can be a messy business—but no more! Stick your arm in to clean the entire inside with a swipe of the cleaning cloth. No need to use an inefficient test tube brush to reach corners and curves. Enjoy total confidence that every hint of bacteria is gone, protecting you investment in brewtime. The wide-mouth makes it easy to add or remove ingredients. The screw top guarantees the top stays on through fermentation. Say goodbye to your glass carboys!

Product Specifications:
5 gallon 6.5 gallon
SKU: 42050 42065
Price: $37.99 $43.99
Weight: 13 16
Height (w/lid, closed): 16" 17 5/8"
Diameter: 11 7/8" 12 3/8"
Mouth: 5.5" 5.5"
Lid material: PP PP
Lid Seal Material: PE Foam PE Foam

Big Mouth Bubbler™ - 6.5 Gallon Fermentor

Customer Reviews

Items 11 to 20 of 32 total

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Very it. Review by Gary
Really like it, not only is the wide mouth great for cleaning - but also easier when pouring wort into it.
Only "complaint" is the ridges all the way around the vessel doesn't leave you with a spot to put the temp strip on evenly.
Other than that, it is superior to the traditional carboy. (Posted on 3/29/14)
Great Overall, but a bit awkward to lift and carry Review by SBB
Summary says it all. I've made 3 batches with it so far and am very pleased with it. It has plenty of headspace to keep aggressive fermentations contained, and is very easy to clean.

Although I have the carrying harness, I only use it once the beer goes into it. So, cleaning it can be a bit treacherous, particularly if it's slippery when using oxyclean. Just be careful.
One thing I just found out by accident...if you invert a standard carboy drying stand, the bubbler fits into it perfectly.

Get one, you'll be glad you did. (Posted on 3/29/14)
Only way to Dry Hop! Review by BH
I agree with everyone's comments here and especially recommend this item to those who dry hop.

Whether you add pellets or fresh hops, the larger opening on this carboy eliminates the problem of removing the bag through the narrow opening of a traditional carboy.

We also bought the harness and it adds stability when moving the carboy around. (Less likely to stir up any sediments.)

We have three traditional carboys and will still use them for beers where adjuncts aren't involved, but the Big Mouth is the only way to go for dry hopped brews! (Posted on 3/28/14)
good - could be great Review by edd
good - easy to clean
bad - uses a #8 stopper. i cannot drill a second hole in the stopper for a thermowell as a #8 is quite small. and no one makes a 2-hole #8 stopper that i know of. so the stopper will be used to hold the thermowell and now i must drill a hole in the lid for an airlock/blowoff. hopefully this can be fixed with a different style lid that will take a #5 or #6 stopper like most glass carboys. (Posted on 3/23/14)
Thinking about it? Do it. Review by Charlie
This is the way carboys should have been, all the while. Vastly easier to use, at all stages. I purchased several, and don't really ever see using my old buckets or standard carboys, unless i'm in brewing crisis. :-)

Haven't felt confident enough in the odd little accessory that allows the lid to double as an airlock ... but i will try it at some point.

The harnesses for these, are superb as well.
(Posted on 3/17/14)
Great Product Review by Michael
I've used it once and loved it. Cleaning is as easy as you can imagine.

I used my Brew Hauler without problem. I have not used the Harness that is sold separately so I cannot comment on that. But if you already have a Brew Hauler you can save yourself $20.

The 'Built-In' airlock is a bit peculiar; its awkward to attach to the threading on the lid. So I opted for the traditional air lock. I'm probably going to throw this piece away and continue using the traditional airlocks.

If the port in the lid was the standard #6.5 so it could accommodate an auto-siphon and I could reuse all my old stoppers this would be a 6-star product. But I'm being pretty picky here, this is an awesome product! I plan to order more in the near future. (Posted on 3/14/14)
So glad I waited. Review by Will
Had been brewing for over a year on Mr. Beer kits (2 gallons) and only recently started doing (2) 1 gallon NB kits, to step up my game. Starting to get hooked on this whole 'homebrew' thing, so when it came time to upgrade, this was the obvious choice. I've heard of (and seen) standard carboy cleaning procedure nightmares, so I really wanted to avoid that.

Ordered the pair (6.5 & 5) and one showed up broken. NB fixed that quick. Brewed the Sierra Madre pale ale as the inaugural beer, and bottled last week. After racking to bottling bucket, I brought this thing outside and blasted it with the hose. Literally done cleaning in five minutes. Little scrubbing with the included rags and it looked good as new. Got brew #2 going as we speak (American amber that I'm gonna add bananas too). Sure to be happy! (Posted on 3/14/14)
Easy to clean, but ... Review by Jim
I mainly bought the Bubbler for it's ease of cleaning and for that it gets a 5/5. But the setup for the bung and airlock makes me check it often. Perhaps in time, I will get used to the bung feeling like it could pop out at any time, but for now I check every morning and night. Shame that the screw top does not have a hole for an airlock. (Posted on 3/4/14)
A good investment with some hidden suprises Review by Jeff
One thing that I did notice that other reviewers may have missed is that there is a shot glass like plastic cap that has soda bottle threads in it. This cap also has two holes and is designed to turn the lid into an airlock for the carboy so no stopper or separate airlock is needed. The carboy is extremely easy to clean and weighs about the same as any other glass carboy.
It does fit in the brew hauler but what is left after adjusting it to the wider fit is slightly scary when you are carrying it. (Posted on 2/21/14)
At Last Review by Icky
I bought a pair of these a month ago and have only used them once so far, but I'm pretty happy. However, they are different in a few ways I wasn't anticipating. These mean a few other equipment purchases I wasn't counting on.

1) I agree with everything Anthony posted about the lid and in particular the blowoff hole. The central hole isn't large enough to accept a wine thief or larger auto-siphon. Having to take the big mouth lid off for transfers and samples is more exposure to air than I'd prefer. May have to get a mini-auto siphon. It also means you'll need to get some new stoppers since your 6.5 and 7s are way too big.

2) The glass is much thinner than your typical carboy. I feel like I need to use a lot more caution in handling these carboys. May need to get a rubber mat for them so I'm better protected when putting them on the concrete floor.

3) I didn't realize how much I relied on the neck of standard carboys for handling them. I initially thought the available harness for these wouldn't me much use, but now I'm reconsidering.

All in all, though still a very worthwhile purchase. (Posted on 2/15/14)

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