Catalyst Fermentation System

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Expected Delivery 4/21/17

Now through April 16th
Pre-order your Catalyst fermentor and receive either a free cover or 10% off. 
Free cover use coupon code CATALYSTCOVER
10% off use coupon code CATALYST10

The Catalyst Fermentation System is a revolutionary, new addition to the world of home fermentation. You get all the benefits of a conical fermentor plus the Trub TrapTM  butterfly valve for collecting unwanted trub or harvesting yeast. The Trub TrapTM works with any wide mouth mason jar. 

Do you use yeast starters? Make your starter in a 16oz mason jar. Attach the starter to theTrub TrapTM valve. Open the valve and you've just pitched your yeast! Use an 8 oz jar during secondary to collect your yeast for a future batch. 

  • Conical tank with 45˚angle
  • 6.5 gallon capacity
  • Strong durable stand
  • Primary, Secondary, Harvest Yeast and Bottle all from the same vessel
  • Made from Tritan® medical-grade, BPA-free, polymer


  • 6.5 Gallon Tank with Lid
  • Stand (Base, 2 Legs, 2 Support Beams, 8 Screws)
  • 3” Proprietary Butterfly Valve
  • Bottling Attachment
  • Transfer Tubing
  • Tubing Clamp
  • Rubber Stopper
  • 16 Oz. Wide Mouth Mason Jar
  • Allen Wrench

Catalyst Cover available separately. 

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