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FerMonster 7 Gallon Carboy With Spigot
Accessories for your Fermonster
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The Ported Fermonster is a brand new fermenter designed specifically for fermentation. We gave product feedback for over 2 years of development and we think they nailed the design. The large lid allows for easy filling and makes hop or oak additions a breeze. The smooth sides are fantastic for sanitization - no ribs or texture to collect yeast or bacteria.  The large 7 gallon size was designed to provide ample space for fermentation and you'll find the molded in volume markers super handy for accurate filling. The punted bottom allows sediment to collect to the sides so that you can siphon liquid from the center.  Because they are made from vigin PET plastic they nearly unbreakable and a lot safer than similar glass carboys. Also notice the conical top which reduces surface area if you plan to store beer or wine long term.  

These ported versions come with our plastic spigot (FE347), allowing for easy racking and sampling!

Made from heavy PET plastic, the same material used in 2 L soda bottles, which is nearly impermeable to oxygen penetration.  Due to the thicknes of the material and the overall geometry the Fermonster does not require ribs or dimples for stability.  That results in a super smooth interior surface that reduces yeast and sediment buildup making it the easiest to clean, most sanitary PET carboy on the market.  The huge 4" opening makes filling a breeze, and cleanup is as easy as wiping down the inside.  The 7 gallon volume is a monster of a fermenter, reducing blowoff issues seen with standard 5 and 6 gallon carboys. Fermonsters are easily moved by hand or consider using our Carboy Carrier for even greater ease of use.

These fermentors are completely air-tight and the lids sealed tight with an O-Ring.  Additional O-Rings and Lids both with and without holes are available for purchase, see our You Might Also Need items below.


  • 4" wide mouth carboy - easy to clean!
  • Ported version includes Spigot for easy racking
  • Food grade PET plastic construction is nearly impermeable to oxygen penetration
  • No hard to clean dimples or ribs
  • Volume Markers at 5, 6, and 7 Gallons
  • Punted bottom
  • O-Ring and Lid with one hole is included (Fits #10 Stopper)
  • Additional O-Rings and Lids available
  • Weight: 1.5 lbs
  • Temperature Limit: 140° F
  • Height: 20.9 inches
  • Diameter: 11.3 inches
  • Completely taste and odor free
  • Perfect for Beer, Wine, Cider, Mead, Kombucha or any other fermented beverage!
Item # FE257
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 2LBS
Community Q&A

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Browse 1 question Browse 1 question and 22 answers
Why did you choose this?
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Ease of cleaning.
scott l on Feb 16, 2018
Because I already own one and they are amazing
Ryan O on Feb 15, 2018
Ease of cleaning.
scott l on Feb 16, 2018
They are easy to clean, have a wider mouth then a class carboy and are so so so much lighter.
seth h on Feb 15, 2018
Because I already own one and they are amazing
Ryan O on Feb 15, 2018
need to step back to 5 gal better than a bucket hopefully
Timothy O on Feb 13, 2018
Needed bottle bucket,serves as both
Harold R on Feb 13, 2018
Read reviews online
Jocelyn G on Feb 8, 2018
Love the size for wine and love the design, including the spigot and the sloped bottom.
Tollie L M on Feb 8, 2018
Good reviews, spigot and small footprint.
Michael M on Feb 8, 2018
Loved mine, need more!
Daniel D on Feb 7, 2018
Need to have a backup
Henrique H on Jan 29, 2018
I needed a fermenter :)
Tim K on Jan 29, 2018
Already have one and I wanted a second one
Derek H on Jan 26, 2018
Seems to be best fermentor for the money - seals better than buckets, spicket for hydrometer testing, wide mouth lid you can drill hole in and get hand inside to clean, and it's clear so you can watch the fermentation happen (never gets old)
Blake M on Jan 25, 2018
Recommendations from Wine Making talk website to use with extended maceration wine kits
Brian G on Jan 23, 2018
Looking for replacements for my old carboys
Lars M on Jan 23, 2018
We have a number of these. They work GREAT!
Jim L on Jan 22, 2018
I like these fermenters a lot. They are not expensive, and 7 gallons gives plenty of headspace for a 5 gallon batch, The wide mouth is great for cleaning and dry hopping and the screw on lid makes a good seal. My only complaint is the hole for the airlock doesn't seem always especially round; I have to really jam the stopper in it to get a good seal there.
Mark L on Jan 22, 2018
Features, price
Brian A on Jan 19, 2018
Want to make 6 gallon batches to completely fill my keg and then bottle what is left.
Justin R D on Jan 17, 2018
Beer & hands are at risk whenever a glass carboy breaks. After breaking two in six years, I'm giving these a try & hope that they don't scratch too quickly.
Douglas I on Jan 15, 2018
Easy of use for dry hopping, I hope.
Pat L on Jan 15, 2018
I have two of these and I really love them, so I'm adding two more to double my brewing capacity
Jason L on Jan 15, 2018
They are easy to clean, have a wider mouth then a class carboy and are so so so much lighter.
seth h on Feb 15, 2018
need to step back to 5 gal better than a bucket hopefully
Timothy O on Feb 13, 2018

4.3 / 5.0
21 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
brewing is so much easer without dealing with a siphon
February 3, 2018
1 month ago
Solid Basic Fermenter
The 7 gallon Fermonster is a sold 5 stars. My main gripe is my own "fault" in that I have giant forearms and therefore my arm does not reach all the way in there. I had to enlist the help of others to get the spigot installed.

The reason I knocked off a star is because the spigot is just too long. It extends below the bottom of the vessel. This means if you are boiling wort outside and want to transfer by having the Fermonster on the ground and kettle higher up, you have to put something under the Fermonster or risk having a leak.
February 1, 2018
3 weeks ago
Great fermenter
The spigot is a great addition to a fermenter, allowing you to do closed transfers without any hassle. Clean up is incredibly easy, and being able to watch your fermentation progress is also a big plus. The only negative I found is that the o-ring is pretty much useless. However, it works perfectly well without it.
January 30, 2018
1 month ago
Great Fermonster
I love the ability to turn a valve and transfer my beer directly to a keg. Price, ease of use and ease of cleaning makes now makes this my go to fermenter.

I only gave it 4 stars b/c the walls are a little thin and the opening could be an inch or so larger. My forearm just fits in the top to clean.
January 30, 2018
1 month ago
Works great and easier to clean than other fermenters
January 30, 2018
1 month ago
Flimsy but functional
Surpriseingly thin, light, and flimsy. But easy to clean and haul around. Had it full of wine and felt like carrying a bag of juice. Spigot feels like it’s going to break the carboy when turned. Yet I’m pleased to have bought it. Great for fermentation and as a bottling bucket.
January 28, 2018
1 month ago
The best
Amazing, best fermenter on the market if you can get it to fit in your fridge. I used a hacksaw to modify my mini fridge and now it will fit
January 28, 2018
1 month ago
Ok not great
They are made very cheap, my order came with big dents in them that won't come out, However they don't leak. For the price not bad.
January 26, 2018
3 weeks ago
beat's a bucket
A great addition to my brewing set up.
January 26, 2018
1 month ago
Easy to clean!!
It is great. Easy easy to clean. Spout is very handy for taking samples to check gravity. Lip on opening provides plenty of support for lifting and lowering while full
January 25, 2018
1 month ago