The Catalyst Fermenter – with Mason Jar Compatible Yeast Collection Port – $169.99 – Save $30

The Catalyst

The Catalyst Fermenter via Austin Homebrew Supply

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From the product description, check product page for current description, price and availability:

About, via the product page: “The Catalyst Fermentation System is in all-in-one fermentation vessel, allowing you to utilize a bevy brewing options in a solitary vessel that is easy to use and clean. The Catalyst can be used for collecting kettle trub, primary fermentation, secondary fermentation, yeast harvesting, and bottling/kegging your batch. The multi-functional fermentation vessel easily attaches to any wide mouth mason jar for easy collection. Use a larger mason jar during primary fermentation and then simply switch to a smaller jar during secondary to collect any viable yeast for re-use. Convenient bottling attachment streamlines the bottling process with a screw on funnel. The 6.5 gallon tank is constructed of BPA-free Tritan polymer (dish washer safe!) and features a lid with silicone gasket with multi-surface contact points ensuring a perfect seal every time. The butterfly valve is an industry leading 3″ in diameter. Perfect for fermenting 5 gallon batches of beer, wine, or cider.”

The Catalyst Fermentation System Includes:

  • 6.5 Ballon Tank with Lid
  • 3″ Proprietary Butterfly Valve
  • Bottling Attachment with Transfer Tubing & Clamp
  • Rubber Stopper
  • 16 oz. Wide Mouth Mason Jar
  • Allen Wrench
  • Stand (Minor Assembly Required)

Note that this has a proprietary butterfly valve that allows you to attach a mason jar for yeast collection.  You can also bottle directly from the fermenter using that same valve with the included bottling attachment.


As of this posting, AHS has his for $199.99.  Check the product page for current price and availability.

Stacks With: As of this posting AHS is discounting most orders based on order sizeSpend $50, get $10 off. Spend $150, get $30 off. Spend $250, get $50 off.  No coupon code is required, savings will be automatically reflected at checkout.  That saves you $30 when you buy the Catalyst.

The Catalyst

Check sale or product page for current availability & pricing

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