DetailsThe first industrial-grade programmable stir plate designed specifically for yeast starters.
Breed a Herculean army of yeast for brewing bigger beers than ever before. Powerful rare earth magnets churn through any size starter and never throw a stir bar. Five-speed control adapts to sizes from minute to mammoth, for starters in a 1L flask to a 5-gallon carboy.
Command a massive starter while you’re at work or over the weekend. Let it run indefinitely or program up to 48 hours of stir time. Schedule to settle out yeast just in time to come home and brew.
Watch Maelstrom® surge through starter wort. The transparent body shows the magnets whipping through rotation. Plus, a seamless plastic surface makes for easy cleaning.
Easy to use with an intuitive interface, the Maelstrom® sets the new standard as the most powerful and versatile homebrewing stir plate ever created.
- Now includes a 50mm stir bar!
- Five distinct speeds to accommodate starters up to 5 gallons
- Scheduling function for up to 48 hours
- Seamless body for easy cleaning & maintenance
- Powerful magnets will never throw a stir bar
- Translucent body lets you watch the magnets in rotation
- Standard 12V Power Adapter
- Large 8” W x 8 ½” L stirring platform
- Details & Instructions
4.7 / 5.032 ReviewsWorks Great!!I'm now able to do up to 10L starters. Awesome.June 5, 2019Purchased
5 months agoWorst everWho makes these? Have had nothing but problems with them, yes them. I have 2 of them and they both decided to go out together. Again who makes these? Garbage. Oh I'll return them but will probably get shipped 2 more pieces of garbage. Spend lots and lots of money on this brewing equipment and constantly having to send pieces, parts and or the whole item back for the lack of quality control. The way these are made and the lack of thought that was put into them $45 is the proper price point for these. Lets see if there's any honesty or just a money grab. I wonder who makes these?January 27, 2019Purchased
1 year agoJanuary 25, 2019Purchased
10 months agoNovember 22, 2018Purchased
1 year agoGreat Stir Plate!Excellent stir plate at a reasonable price. Nice large surface. Have made two starters so far....and this thing really does the job. I use a 2 liter flask to make about a 1.5 liter starter from harvested yeast.First starter with this stir plate.September 24, 2018Purchased
1 year agoIt’s ok.It’s an ok stir plate. I didn’t have time to build one myself so I bought this. I love the timer. The controls and the build is kind of cheesy. Don’t drop this from more than an inch or it will be in pieces. Just be aware it’s not industrial or even school grade. Still happy I bought it.May 3, 2018Purchased
1 year agoEXCELLENT PRODUCT!Loved it and getting great yeast starters, and better beer!February 19, 2018Purchased
1 year agoThis thing is GREATI recently stepped up to a 15 gallon system. It was obvious that i needed to step up my yeast production. I took a "chance" on this yeast stir system.
It's a little noisy, but HOLY COW (thanks to Harry Carey) does this thing work.
Don't fool around with others, save up and buy his one. Hands down, the name says it all, GREAT YEAST STIRRER.February 4, 2018Purchased
1 year agoneeds more info in byline.Not experienced at making beer, but trying. So I ran across some info about a stir plate for help with yeast. When it arrived I read instructions and it is designed for liquid yeast not dry yeast. Since I have never used liquid I now have an item I do not need at this point. It would be nice if this info was listed below the picture.January 30, 2018Purchased
1 year agoBest stirrer made!! Period!This thing is the bomb! After reading a lot of bad reviews I had gotten a bad image of this stirrer. After deciding to take the chance I have to say that I could not be happier. My 5000 ml. Erlenmeyer flask fits with room to spare. The gradual speed change is a great feature, as well as the pause button. The timer also makes it nice for long starts. Way powerful as well. Worth it!May 24, 2017Purchased
over 2 years ago
- Customer Q&A
Browse 3 questions Browse 3 questions and 6 answersCould this be used for a yeast brink with about 10 gallons of wort?What is the RPM for each of the 5 speed settings on your Maelstrom Stir plate?BEST ANSWER: Speed 1: 480±10% RPM
Speed 2: 720±10% RPM
Speed 3: 960±10% RPM
Speed 4: 1200±10% RPM
Speed 5: 1440±10% RPM
We hope that helps!What is the most sanitary way to get the magnet out of the yeast before pitching?BEST ANSWER: I pitch yeast starter through a sanitized funnel with mesh filter that captures the stir magnet so it doesn't enter fermentation vessel.
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