Fermonster Wide Mouth PET Carboy – 3.78 L (1 Gallon) Small Batch Fermentation Vessel Made in Canada

The Fermonster 3.78 L (1 Gallon) Wide Mouth Carboy is the perfect fermentation vessel for home brewers and craft beverage enthusiasts looking to create small batches with ease. Ideal for beer, wine, cider, mead, kombucha, and experimental recipes, this compact fermenter combines convenience, durability, and reliable performance in one easy-to-use design.

Made in Canada from food-grade PET plastic, the Fermonster offers excellent oxygen resistance while remaining lightweight and easy to handle. Its signature 4-inch wide mouth opening provides significantly easier access than traditional narrow-neck carboys, making cleaning, filling, dry hopping, fruit additions, and ingredient transfers simple and mess-free.

The included lid and O-ring help maintain a secure fermentation environment, while compatibility with a standard #10 stopper allows you to customize your fermentation setup to suit your brewing style. Whether you're testing new recipes, fermenting seasonal beverages, or just getting started with home brewing, the Fermonster is designed to make small-batch projects more enjoyable.

• Authentic Fermonster wide mouth fermentation vessel
• 3.78 L (1 Gallon) capacity ideal for small-batch brewing and recipe development
• Large 4-inch opening for easier cleaning, filling, and ingredient additions
• Constructed from food-grade PET plastic
• Lightweight, durable design with excellent oxygen resistance
• Sealed lid and O-ring help support airtight fermentation
• Compatible with standard #10 stoppers
• Odour-resistant construction helps preserve beverage character
• Compact dimensions approximately 9.5 in tall × 6.7 in diameter
• Lightweight design weighing approximately 550 g
• Suitable for fermentation temperatures up to 60°C (140°F)
• Made in Canada

Perfect For: Home brewing beer, making wine, fermenting cider, crafting mead, brewing kombucha, creating fruit wines, conducting yeast trials, testing recipes, and exploring new fermentation techniques on a manageable scale.

Care Instructions: Do not clean with water hotter than 53°C (127°F). Use only cleaners and sanitizers compatible with PET plastic. Support both the bottom and sides when transporting a full vessel. Sanitize thoroughly before each use and ensure the fermenter is clean and dry before storage.