Brew Bucket Mini Fermenter - 3.5 gal.

Brew Bucket Mini Fermenter - 3.5 gal.

In Stock
60 day no hassle return policy. Details

Upgrade your home brewery with an innovative, Stainless Steel, 3.5 Gallon Brew Bucket™ Fermenter!  Many have asked for a smaller BrewBucket, and that has been heard.  The Brew Bucket mini is perfect for 2.5 gallon batches.  With features similar to the original 7 gallon Brew Bucket, the Mini is a great way to do smaller batches.  Whether you are interested in splitting a 5 gallon batch for experimenting, or just brew 2.5 gallons, the BrewBucket Mini is a great choice.

Featuring a conical bottom, 304 SS construction, a rotating racking arm valve, and stackable design, these are space saving feature rich fermenters that are easy and enjoyable to use. 

We inspected and used the Brew Bucket™ and one of the most unique features that stood out is that the Brew Bucket can be stacked during fermentation, even with an airlock attached. We also like the conical bottom that allows trub to settle out in a concentrated space that minimizes the surface area of the trub that is in contact with your beer.  The included Patent Pending Rotating Racking Valve is also a brilliantly simple design allowing you to rotate the racking arm inside the Brew Bucket down during fermentation to minimize trub, and later up to get clear beer when racking!   Etched Volume Markers on the inside were super handy when filling.

The build quality is really amazing for the price. Welds are clean. The lid is strong and the spring loaded lid hatches are solid.  The lid includes a removable, molded silicone gasket that ensures an airtight seal.  We love an airtight seal so that we can be sure to see the airlock working. 


  • 304 SS Food Grade Construction
  • Rotating Racking Arm & Valve (Patent Pending)
  • 3.5 Gal Max Capacity (2.5 gal Batches)
  • 40° Conical Bottom for Trub Trapping
  • Nests for Storage & Stacks for Ferment!
  • SS lid w/ Silicone Gasketed seal
  • Spring Loaded Lid Clamps for Airtight Lid Seal
  • Offset Airlock Hole includes Silicone Stopper
  • Gallon Markers inside for visual volume assessment
  • Stainless construction resists damage and is easy to clean
  • 8.5" Bottom Width / 11" Top Width x 16" Height

Please note: the thermowell pictured in the second photo is not included.


Item # FE803
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 14 LBS
Community Q&A

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Why did you choose this?
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I need something compact for my small space allotted to brewing...
Adam Y on Jun 10, 2020
Need a small fermenter for small batches of beer, mead, cider and more.
Jonas A on Dec 5, 2019
I need something compact for my small space allotted to brewing...
Adam Y on Jun 10, 2020
It was requested gift by a home brewer
Ruth A L on Jun 9, 2020
Need a small fermenter for small batches of beer, mead, cider and more.
Jonas A on Dec 5, 2019
Making small batches
Andrew C on Dec 2, 2019
Wanted to brew smaller 2.5 gal batches
Brian K on Nov 19, 2019
want single vessel fermenter (no secondary) that is stainless steel.
Brian C on Aug 28, 2019
Wanting to get away from plastic buckets. I brew small to large batches and this will fit my small fermenting needs.
Matthew Mitchell on May 4, 2019
Looking for a stainless conical fermenter for 2.5 gallon batches
Jonathon T on Apr 25, 2019
One of only a couple stainless steel fermentation options for 2.5 gallon batches.
Jodie H on Mar 28, 2019
Gift purchase determined by receiver.
Mark B on Dec 24, 2018
Pastic buckets are getting old, wanted to upgrade.
Brian Landeck on Dec 6, 2018
I like to brew small batches, and this is an upgrade from plastic. Hopefully the built in racking arm will also make my racking cane obsolete so I can reduce clutter.
Matthew K on Nov 28, 2018
Perfect size for me, good price
JAY F. on Sep 24, 2018
I brew 2.5 gallon batches, and this fits into my fermentation freezer.
Zak B on Aug 31, 2018
For mead and cider.
Richard S on Jun 29, 2018
To ferment my 2.5 gallon half batches.
Adam Thompson on Feb 26, 2018
upgrade from plastic bucket
Brian G on Feb 15, 2018
half batches
Greg b on Feb 7, 2018
for the size and high quality build
Paul H on Jan 29, 2018
Size. Stainless, and a big step up from my 3.5 gal plastic.
Paul N on Jan 26, 2018
To brew experimental small-batch beers.
Jeffrey W on Jan 22, 2018
It was requested gift by a home brewer
Ruth A L on Jun 9, 2020
Making small batches
Andrew C on Dec 2, 2019
does this model have handles?
Fernando Mercader on Jun 11, 2020
BEST ANSWER: This fermenter does not have handles. It is possible to lift it by the lip under the lid but this is not recommended for when the fermenter is full. As others have noted the base is not attached to the fermenter and you do need it to stand the fermenter upright. Some people tape the base to the fermenter and others have bought a separate base to put down ahead of the time when moving the bucket.

4.0 / 5.0
26 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Hard to move
No handles and an unattached base make it difficult to move by one's self.
September 15, 2020
9 months ago
Great ferment; oddly lacks good mobility
Good: Great fermenter, definitely at same high quality of other SS Brewtech products. Interchangeable parts with larger models.

Bad: Moving it while full is more than inconvenient... no handles (you potentially displace liquid having to hug/squeeze it) and the rubber base is not attached. So moving this small fermenter is a 2-person job simply because you need so many hands and you can't set it down without the base.
June 27, 2020
3 months ago
Poor design
I regret buying this bucket. Actual bucket itself is built well nice thick SS. But the basis is a separate item and there is no handles. A used Carpenters tape to keep it attached to the bucket. I can get my fingers under the lid, but one slip and it's on the ground. I brew 3 gals so very little headspace. I would personally recommend buying the anvil 4 gallon over this it's not as well built but it's more functional.
June 11, 2020
1 year ago
Quality, Quality, Quality
Sure, you'll pay more for this than a plastic fermenter, But you'll be hard pressed to find something as quality as this product.
April 5, 2020
5 months ago
Awesome vessel for brewing kombucha!
Awesome vessel for brewing kombucha! It’s an excellent size and looks great. Easy to sterilize. The spigot is perfect also. I like the internal markings. So you see how much it’s holding. Make kombucha hobby is off to a great start. I like it so much I’m buying a second one so I can make Jun.
As you can see we have personalized ours! ??
As you can see we have personalized ours! ??
March 15, 2020
6 months ago
Great quality.
Needed a small fermenter for small batches from Pico Z. This does the job. Wanted cooling and the FTSs does exactly what it's supposed to do.
December 6, 2019
10 months ago
Very happy
Completing first batch, using the brew bucket as my secondary fermentation, easily moving beer from brew bucket directly into the 2.5 gal keg. Size of brew bucket allowed for cold crashing in refrig, significantly clearing the beer. I would highly recommend this product for someone brewing smaller batches. I would also recommend ordering a second base for the bucket. When the bucket is full, it is difficult to lift and carry both to new location without an extra set of hands.
November 22, 2019
10 months ago
Mini brew bucket
This would be a great fermenter if the base were attached. Had I known that it was separate I would not have purchased this. Combined with the fact that it has no handles makes it difficult to move when full.
November 4, 2019
12 months ago
I've seen comments that the base needs to be attached and that it requires handles. I agree that it needs the base attached but there is enough overhang at the top that provides enough material to hold onto. Overall I am happy with the product.
September 15, 2019
1 year ago
Nice addition for small batches
Really great quality for a reasonable price. My only wish is that the base could be attached to the stainless bucket. It's rather awkward to pick up from the base with no hand holds and no way to set it down otherwise since it has a conical bottom.
August 18, 2019
1 year ago