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Grainfather Conical Fermenter - Pro Edition

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Product details

Take control of your fermentation by giving yeast the perfect environment to optimize your beer flavor profile. The Grainfather Conical Fermenter - Pro Edition features double-walled, stainless steel construction for durability and insulation and INCLUDES the Dual Valve Tap and Digital Temperature Controller.

Dial in your fermentation temperature with the Digital Controller. Use the Dual Valve Tap to take samples and when fermentation is finished, dump or harvest your yeast from the cone and transfer your beer all with the same valve. Samples and transfers are pulled from above the sediment line allowing for clearer beer while allowing for yeast collection from the bottom of the fermenter.

The Grainfather Conical Fermenter has been designed to give you the best in fermenting performance. Featuring the Golden Angle of 60°, the optimum angle for dropping yeast to the bottom without clinging to the sides, you'll have no problem getting a clearer beer faster than standard, flat-bottomed fermenters.

Dual Valve Tap
Using the same concepts used in commercial breweries, the Dual Valve Tap ensures easy sampling and transferring while retaining the ability to dump or harvest yeast for reuse.

Digital Controller
Control the fermentation temperature by accurately dialing in the ideal temperature. Also includes an option to set up to 4 fermentation profiles, each with up to 5 temperature stages.

Height - 36" (43" with Airlock)
Diameter - 14.5" (with Handles)

Additional information

Support Documents Click here for documents
Support Documents - Instructions Click here for instructions



  • 304 stainless steel double-walled fermenter.
  • Integrated gentle heating: 30W, 12V heating element.
  • Integrated cooling sleeve that can be hooked up to the Cooling Pump Kit or the Grainfather Glycol Chiller.
  • 60° cone angle for yeast to drop down to the bottom
  • 8 Gallon Capacity.
  • Wide opening for easy, hassle-free cleaning.
  • Stainless steel lid with integrated silicone seal and included rubber stopper and airlock.
  • Cone Plug and Seal
  • 6.5power cord
  • Modular system to build up your brewery to your own specifications.

Add the Grainfather Conical Fermenter Cooler Connection Kit for use with Grainfather Glycol Chiller.

You're not out of luck if you do not own a Grainfather Glycol Chiller. To chill the Grainfather Conical Fermenter, you will need the Grainfather Conical Fermenter Temperature Controller as well as your own cooler or bucket. Then add the Grainfather 12VDC Cooling Pump & 3 way cord to run the cool water through the conical jacket. The Grainfather 12VDC Cooling Pump & 3 way cord does not work with the Grainfather Glycol Chiller. 

Customer Reviews

Based on 15 reviews
Excellent service

Ordered this (my 2nd one) because the GF is simply the best fermenter. Harvesting is easy, sampling is easy and once I have the GF glycol chiller, I'll be able to do 4 conicals at once

Grainfather Conical Formentior make beer making Repeatable. Love it WOW. Going to 3 more so I can...

Well worth it and now comes with WiFi option. Great way crash the beer and maintain temp threw formenting stages then direct to leaving. Love it with Grainfather brewing system and conical formentior repeating your favorite beers is now super easy. Man this make beer great and have friend hanging around watching makes look like a pro.

Overall great product.

Very well made product. Great at what it is designed for, especially if paired with a chiller.The only reason it is not 5 stars is the legs. The leg design (length and width) makes it difficult to use the excellent dual valve.Definitely worth the money, but I'm working on a leg redesign.

Works Great!!

Great design, easy to use. I especially love the dual tap valve...Removes the yeast easy and take samples painlessly.
Digital controller holds temp really well in heat mode.
I bought the cooling kit and am currently fermenting a low temp yeast with a target temp 58 F. Its getting down there with the help of a lot of ice. I think if I would have configured a cooler with lid to hold the ice water w/pump it would be more efficient.

My first beer fermented as advertised...came out clear, crisp and delicious!!

Inovative design.

Highly recommend.Quality construction and features you would find in commercial fermenters.Has streamlined my fermenting and bottling process by not requiring moving to secondary fermenters and or bottling bucket.

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