Fermonster 3 Gallon Fermenter

$39.99
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Product details

Perfect for 2-3 gallon batches of beer, wine, cider, and mead! The FerMonster™ 3 Gallon Fermenter provides advantages over narrow mouth carboys. The 4" wide mouth makes the fermenter easy to clean, dry hop or infuse. Made from P.E.T plastic, the ribless design ensures that yeast and sediment fall to the bottom after fermentation. The lid o-ring makes the vessel air-tight to keep out oxygen and reassure that your airlock will bubble away without any unwanted seal leaks. 

Siphonless version also available making transfers super easy. Siphonless works great for large batches of kombucha!

Explore more Fermonster Carboys and Accessories in our Fermonster collection.

California Proposition 65

⚠ Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.

Additional information

SKU 42682

Customer Reviews

Based on 27 reviews
70%
(19)
19%
(5)
7%
(2)
0%
(0)
4%
(1)
J
Jeffrey W.
Excellent fermenter!

Pros: Large capacity, good construction, all around a perfect fermenter for larger batches (I'd only used 1-gal carboys before). The plastic walls combined with a massage gun make degassing a breeze.

Con: This is minor, but the plastic walls can draw air back through an airlock when lifting the fermenter, or push liquid up if squeezed. This can be worked around very easily, however.

S
Scott T.
3 gallon fermonster

perfect for small batches of beer

T
T.H.

Perfect size for my needs

O
Odis U.
Fermonster 3 Gallon Fermenter

I like it! Northern Brewer has 5 Star customer service!

J
James M.

Fermonster 3 Gallon Fermenter

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Fermonster 3 Gallon Fermenter

Fermonster 3 Gallon Fermenter

Customer Reviews

Based on 27 reviews
70%
(19)
19%
(5)
7%
(2)
0%
(0)
4%
(1)
J
Jeffrey W.
Excellent fermenter!

Pros: Large capacity, good construction, all around a perfect fermenter for larger batches (I'd only used 1-gal carboys before). The plastic walls combined with a massage gun make degassing a breeze.

Con: This is minor, but the plastic walls can draw air back through an airlock when lifting the fermenter, or push liquid up if squeezed. This can be worked around very easily, however.

S
Scott T.
3 gallon fermonster

perfect for small batches of beer

T
T.H.

Perfect size for my needs

O
Odis U.
Fermonster 3 Gallon Fermenter

I like it! Northern Brewer has 5 Star customer service!

J
James M.

Fermonster 3 Gallon Fermenter