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Big Mouth Bubbler® Universal Lid - Single Port

$5.99

SKU# 41829

Flat Rate Shipping only $7.99 only from Northern Brewer
The first-ever universal lid for Big Mouth Bubbler® fermentors. Engineered by brewers to suit any fermentor in the Big Mouth Bubbler® family, from EVO 2 and Plastic to first-generation glass and even the Little Big Mouth Bubbler®.

The Big Mouth Bubbler® Universal Lid is just like a traditional carboy bung, only bigger! Just as easy to sanitize and set in place too. Ribbed silicone rings ensure a positive seal to keep out pests, while the non-threaded design allows the lid to move preventing an out-of-control fermentation from dangerously pressurizing your fermentor.
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$5.99

Availability: In stock

Big Mouth Bubbler® Universal Lid - Single Port

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  • Big Mouth Bubbler® Universal Lid - Single Port
  • Big Mouth Bubbler® Universal Lid - Single Port
Product Details
The first-ever universal lid for Big Mouth Bubbler® fermentors. Engineered by brewers to suit any fermentor in the Big Mouth Bubbler® family, from EVO 2 and Plastic to first-generation glass and even the Little Big Mouth Bubbler®.

The Big Mouth Bubbler® Universal Lid is just like a traditional carboy bung, only bigger! Just as easy to sanitize and set in place too. Ribbed silicone rings ensure a positive seal to keep out pests, while the non-threaded design allows the lid to move preventing an out-of-control fermentation from dangerously pressurizing your fermentor.

Better yet, the port is perfectly sized for all your standard homebrew tools, from a universal carboy bung and standard blowoff hose to a testing thief and auto-siphon.

Easy to clean, just pop it in the top rack of your dishwasher and run it through a standard cycle. You can also use your standard homebrew cleaners and sanitizers.

The universal lids all use a:
  • Small universal stopper
  • Standard 6.5 rubber stopper.
  • Additional Information
    Support Documents:No
    Reviews
    2.4 / 5.0
    102 Reviews
    5 Stars
    4 Stars
    3 Stars
    2 Stars
    1 Stars
    19
    13
    8
    14
    48
    Overly disapointed
    While the Big Mouth Bubbler is fantastic, this lid is terrible. The old style 2 piece lids were much better. I have had 1 too many blow offs with this lid.

    The only sure way to keep it on with an aggressive fermentation is to place a couple pieces of brick on it...
    April 17, 2018
    Piece of crap...
    Purchased one of these and wasn't even able to use it once.....it wouldn't stay lodged in. What a waste.
    April 9, 2018
    This lid does not seal. Pops right off.
    Like the other 1 star reviews say, this lid will not stay on. Keep it dry, dry fermenter mouth, reverse the gasket... nothing works. I really wish I could buy the original screw top lid.
    March 29, 2018
    Better than the orginal, but still needs work
    This lid can hold a seal if the pressure isn't too high. It would be a superior design if it also included a part to firmly attach it to bubbler body, much like the original screw on lid
    March 28, 2018
    Purchased
    1 month ago
    Here is my fix to the lid pushing out
    I designed this to hold the lids in, nice and secure.

    https://www.thingiverse.com/thing:2451253
    User submitted image
    Added Mar 26, 2018
    March 26, 2018
    Solved
    I've had exactly the same issues as everyone else has described. I was going to trim the rim off this lid so that I could secure it in place with the screw down part of the old two piece lid, which I replaced since it didn't seal well, but instead I took the gasket from this lid, turned it upside down and inserted it through the ring of the old two piece lid and then inserted the ported piece of the two piece lid as normal, voila,good seal and a slight blowout reservoir on the lid.
    User submitted image
    Added Feb 3, 2018
    February 3, 2018
    Purchased
    1 year ago
    Had some trouble
    Like may of the reviews on here the main problem I had was the lid popping off. My solution is as follows: Make sure the gasket and lid are completely dry. Even inside the ribs. I'm not saying just let it drip dry for a second and slap it on the big mouth bubbler, I mean bone dry. I also left the lid on the mouth of the fermentor a little loose so it can relieve some pressure. After that I had no problems.
    February 2, 2018
    Good replacement for original lid
    I purchased this to replace my original lid that was damaged. It works fine. ( 3 batches in so far ) It does slide up a little bit, but the multiple rings keep it sealed, the blue rim is not your sealing point. I also clean the inside of the bubbler rim with alcohol to clean off the star-san before inserting the lid.
    January 15, 2018
    Purchased
    4 months ago
    Universal Lid Pops Off (and my solution)
    The single port universal lid does not seal well as it comes from NB. To fix:
    1. Make sure inside rim of carbon is clean & dry
    2. Invert the triple flange gasket so the widest flange of the gasket is furthest from the lid flange.
    3. Make sure the lid is fully seated in the mouth of the carboy
    4. VERY IMPORTANT: Increase the size of the little holes in the airlock cap. These little holes are the only path for the excess CO2 to escape. For a robust fermentation they are too small, and if they get clogged with any residue the pressure will blow the lid off. Even if they don’t clog they are still too small IMHO.
    Increased size of holes in airlock cap
    Increased size of holes in airlock cap
    November 29, 2017
    I donâ??t like them. They wonâ??t stay closed. What looked like a good idea was a total flop. I modified mine so they will stay closed but you shouldnâ??t have to do that. It should be pulled from N.B. catalogs until they design a lid that works.
    November 28, 2017
    Purchased
    6 months ago
    Q&A
    Start typing your question and we'll check if it was already asked and answered. Learn More
    Browse 14 questions Browse 14 questions and 36 answers
    Is it possible to purchase the "old style" screw on lid? This new universal lid often pops during very active fermentation and doesn't work well.
    Emery k on Apr 22, 2016
    BEST ANSWER: The old screw-on style lids for the glass fermentors are no longer available. The universal lid performs best when the interior of the Bubbler's mouth is dry at the time the lid is inserted.
    Will this fit a small big mouth bubbler ? Can i purchase the old style lid to screw on top of this lid to get an even better seal ?
    A shopper on Aug 8, 2017
    BEST ANSWER: I have both the 5 gal and 6.5 gal Big Mouth and it works on both, so I assume, given that it says "Universal" that it will work on all sized Big Mouth Bubblers. This replaces the screw top lid, and only one of the two will work - not both at once. This is far superior to the screw on lid.
    will this lid accept the small 3 piece airlock
    T A on May 10, 2016
    BEST ANSWER: You need to get a universal stopper that sits in this lid, and then you can put an airlock in that stopper (I think this one works - small universal stopper)
    Will this lid fit the Little Big Mouth Bubbler?
    Bruce K on Jan 23, 2018
    BEST ANSWER: Yes is does. It holds a seal better than the screw on lid that come with the Big Mouth Bubbler.
    What diameter opening will this universal lid fit? I know its design for BMB, but I'd like to try to use on a different fermenter.
    Jacob C on Jul 15, 2016
    BEST ANSWER: I don't know the diameter, but I have an older BMB, and the universal lid does not fit, I've gone back to using the original lid. When I complained about it they suggested I use tape to secure the universal lid, to keep it from popping up.
    Is this item dishwasher safe?
    Keenan B on Jul 7, 2017
    Big Mouth Bubbler® Universal Lid - Single Port
    Big Mouth Bubbler® Universal Lid - Single Port
    Three-Piece Airlock
    Three-Piece Airlock
    BEST ANSWER: I've never put the airlock into the dishwasher. I have always had washed with warm water. At the end of the day the most important thing is to make sure all airlock pieces and the rubber gromet air put into sanitizer before being placed on the fermenter
    What is the smallest inside diameter this will fit in?
    R C on Apr 19, 2016
    BEST ANSWER: It is 5" wide at its narrowest.
    I just received two of these lids that I purchased based on your item description.. What blow off hose fits this size? Surely not the standard 1.25 outside diameter vinyl tubing.. Mine doesn't fit snug at all, and I've confirmed the opening to be over 1.25 inches with calipers.
    A Z on Nov 20, 2015
    BEST ANSWER: You could create a blow off b putting 3/8 ID vinyl tubing through the hole in the universal bung that is recommended to fit that hole. I hope this helps! Cheers!
    Are the gaskets available separately? Will a dual ported version of the lid be available soon? Thanks
    Justin T on Nov 9, 2015
    BEST ANSWER: Yes, extra lid gaskets are available and the dual port lid is available also. Check out page 34 in the Fall 2015 catalog.
    My lid seems to rise during particularly active fermentations. Is it still sealing the Big Mouth airtight?
    C O on Nov 5, 2015
    BEST ANSWER: Your lid may be forced up a little during the first days of fermentation. The Big Mouth Bubbler is sealed air tight as long as one ring of the seal on the Universal lid is touching the carboy neck. The lid being forced up by the internal pressure of the Big Mouth Bubbler actually shows that it is sealing completely.

    Thanks for the question

    please let us know if you need anything else. Cheers! Todd J @ NorthernBrewer.com
    I have the earlier version of the glass big mouth carboy. Will the universal lid fit that earlier version?
    Derrick R on Oct 28, 2015
    BEST ANSWER: Yes, it fits great. But when fitting on the lid, you need to let the lid dry a little sanitizing it. It doesn't want to stay on when wet. It slips off a little. But afterwards it seems to fit great
    Are you still not making the screw on ring to solve all the issues people have with the cap working itself off under pressure?
    A shopper on Jul 20, 2017
    BEST ANSWER: The old style lids are not longer made.

    There are a few tricks that can help get you bubbling away happily.

    First, I would sanitize the lid and let it air dry a bit before inserting. Press one side of the lid in first, then the opposing side. Lift up the lid in places until you see and feel the ribs on the lid gasket "lock" into place. It should feel noticeably tight once you do so.

    If a tight fit is not attainable with the normal insertion technique above, you're still in luck. Remove the lid, take the gasket off, and reinstall the gasket upside down. The ribs on the gasket will engage in a much tighter manner. You'll still want to install it according to the above instructions, but I think you'll find that it grabs much more.
    I have one of the first versions of BMB that came with the screw on lid, that never has made a good seal. I am wondering if this new type of lid will work on the original style of BMB with better results. Thanks.
    Susan E on May 23, 2016
    BEST ANSWER: That is the intention, this Universal Lid should fit on all models of Big Mouth Bubbler that were produced. It seals in a different way than the original lid design, and ought to work well on an early Big Mouth Bubbler. _Mike W, Northern Brewer
    Can I use the old screw lid to place atop this seal? That would be perfect!
    M R on Mar 9, 2016
    BEST ANSWER: Maj,

    Yes! If you still have one of the old style lids you can absolutely do that.

    Cheers!

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