The Grainfather Conical Fermenter Basic Cooling Edition - 7 gal.

The Grainfather Conical Fermenter Basic Cooling Edition - 7 gal.

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Whether you’re new to their products, or you’re a Grainfather Electric Brewing System diehard, this fermenter is sure to take the quality of your brew to new heights. MoreBeer! is proud to offer the Grainfather Conical Fermenter Pro Edition. But be warned: this is not your Granpappy’s fermenter.

Brewer’s turn to conical shaped fermenters when they desire an easy way to dump and harvest yeast, and Grainfather took that mentality a step further with the purpose built dual-valve bottom tap. Where other dump valves can leave a mess behind, this uniquely designed bottom tap makes yeast harvesting, sampling, and transferring a clean and convenient process. 

Temperature control has been well documented as an essential part of the fermentation process, and the Grainfather Pro Edition Conical turns this critical stage into a leisurely enterprise. Not only can you adjust the temperature with the push of a button, the Temperature Controller on the Pro Edition can be programed with up to four unique schedules, so you don't have to remember to step up the temp on days 3 and 5. Set it, and forget it! 

With an 8 gallon maximum capacity, you can ferment even the highest gravity 5-gallon batches without the risk of krausen blowing out the top. And thanks to the double-walled 304 stainless steel body, this unit aims to remain in the family for generations to come.

Double Walled: A stainless steel double walled skin is filled with a thick layer of polyurethane foam for insulation. This is what keeps the wort at a constant stable temperature with minimal influence from any external environmental temperature changes, providing insulation for your fermentation that a standard jacket cannot achieve.  
Integrated Gentle Heating: In the cavity of the fermenter between the outer body and cone sits a 30 Watt, 12V heating element. Unlike standard heating elements/sources that directly heat the liquid, this heat source is designed to heat the environment in between the walls of the fermenter, which in turn heats the liquid. It is similar to controlling the temperature in a temperature controlled room. The fermenter acts as an artificial environment which can be heated, meaning the temperature is raised in an even and controlled manner which is much better for the yeast. 
Integrated Cooling Sleeve: In between the two stainless steel walls sits a cooling sleeve (also made of stainless steel). This cooling sleeve is welded onto the inner wall of the fermenter and can be hooked up to the Cooling Pump Kit. Temperature is dialed into the Temperature Controller and as the iced cold water travels through this sleeve, it cools the stainless steel which in turn evenly cools the beer in the fermenter. The cooling sleeve never comes into contact with the beer, it is completely concealed, built into the fermenter and never needs cleaning or sensitizing - a true innovation for a fermenter of this scale.
Basic Cooling Pump Kit: The Cooling Pump Kit allows users of the Grainfather Conical Fermenter to control the fermentation temperature with cold water by pumping it through the double walled insulated interior.
Easy Access to the Interior for Hassle Free Cleaning: The Grainfather Conical Fermenter has a smooth interior with no additions such as cooling coils or additional sampling valves meaning it is easy to clean and minimizes the risk of infection.
Golden Angle Conical: The conical shape of the fermenter is typical for professional breweries. Our conical has been designed with the 'Golden Angle' of 60º. This is the optimum angle for yeast and sediment to drop down to the bottom of the cone without getting stuck to the sides, allowing you to transfer from above the sediment line, resulting in clearer beer. The conical shape also allows for better mixing during fermentation due to the path of convection currents that it enables to occur. 
Dual Valve Tap: Make the yeast dumping, transferring and sampling process more professional with this innovative all in one valve. Sampling and transferring is done through an inlet above the sediment line, allowing for clear, sediment free beer. Easily collect your yeast from below the sediment line with the same unique valve for recultivating and pitching. The innovative design of the valve allows for this dual functionality and less cleaning for you. 
Temperature Control: The Temperature Controller easily snaps on and replaces the standard Temperature Display via magnets and pogo pins. Allowing you to accurately dial in a temperature and even set a temperature schedule/profile (you can set up to 4 profiles each with 5 stages). It can control the heating of the integrated heating element and the cooling via the Cool Pump Kit.
What's Included:
  • Conical Fermenter 
  • Fermenter Lid
  • Rubber Bung
  • Bubbler Airlock
  • Cone Plug
  • Cone Plug Seal
  • 2" Tri Clamp
  • Digital Temperature Display
  • Power Adapter and Wall Plug
  • 6.5 ft M12 3-Pin Power Cord
  • Dual Valve Tap
  • Digital Temperature Controller
  • Cooling Pump Kit


  • Diameter with handles: 14.25 inches
  • Height (without airlock): 36 inches
  • Height with bubbler airlock: 43 inches
Drop Ship: This product will ship directly from the supplier. Delivery may take 1–4 weeks depending on the vendor. Blichmann products are typically shipped in under a week.
Shipping Limitation: This item does not qualify for free shipping.
Item # FE232
Weight 4 LBS
Community Q&A

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Why did you choose this?
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After researching brewers determined the grainfather was the best for our needs
kurt a on Mar 27, 2021
Reviews and product features
William A on Jun 27, 2018
After researching brewers determined the grainfather was the best for our needs
kurt a on Mar 27, 2021
Jacketed fermenter for cooling
Adrian R on Sep 18, 2020
Reviews and product features
William A on Jun 27, 2018
I already own one of these fantastic fermenters, they are worth every penny. And to have them available through MoorBeer here in California with free overnight shipping was a no-brainer.
Mike J on Apr 12, 2018
No coil needed to hold temp. in this fermenter and built-in heating element.
Angel C on Mar 28, 2018
Jacketed fermenter for cooling
Adrian R on Sep 18, 2020
I already own one of these fantastic fermenters, they are worth every penny. And to have them available through MoorBeer here in California with free overnight shipping was a no-brainer.
Mike J on Apr 12, 2018
What is the maximum PSI that this can take?
Max Rudolph on Feb 3, 2020
BEST ANSWER: Hello Max, the manufacturer does not list a pressure rating for this unit.
Does this fermenter heat and cool the fermenting beer ?
Todd Pattison on Sep 21, 2018
BEST ANSWER: Yes, and within a degree of whatever temperature you set. I live in the Central Valley of California where temperatures in the garage that I ferment at reach as high as 95 during the day. I've modified a 10 gallon Igloo type water cooler as my source of cooling water. This only requires exchanging jugs of ice twice a day to maintain enough chilled water.

5.0 / 5.0
2 Reviews
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Rated 5 out of 5
Best upgrade to my brewery
Double wall insulated, cooling jacket built in, single piece dump and drain valve. I love how it's all built in. SS Brewtech and others have those, but they're at additional cost. And the cooling jacket is not a coil like the others so cleaning is far easier.

The one-piece dump valve and drain is really cool. I was worried the drain would clog because it just has small perforations, but even in my dry hopped beers I haven't had any issues.

The only critique I have is the plastic base. I'm sure it's sturdy but sometimes I feel it could break if it gets bumped. It's also hard to access the valves underneath and I wish the base was a little taller and wider. I've had to use a short 1" hose on the dump valve so I can drain trub into a container.

The instructions are not very good either. I didn't realize the glycol connections needed a washer that comes with it. Mine leaked until I realized that's what they were for. Not a big deal though.

I would really recommend buying the insulation jacket otherwise you'll get condensation everywhere. Even with it, if I'm cold crashing, water will get all over.
October 31, 2019
Rated 5 out of 5
Awesome piece of equipment.
This now allows me the ability to control fermentation temperatures to the point of improving batch to batch consistency that i've been looking for. I would definitely recommend this product.
April 27, 2018
over 4 years ago