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FastFerment 7.9 Gallon Conical Fermentor

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FastFerment 7.9 Gallon Conical Fermentor

SKU: U41310

FastFerment is your all-in-one fermentation solution.

From: $108.99

To: $217.94

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FastFerment 7.9 Gallon Conical Fermenter   ($108.99)

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Eliminate 80% of sanitizing and cleaning with this all-in-one fermentor. Conduct all stages of fermentation in this single vessel. Remove the trub from the bottom of the fermentor instead of transferring all your liquid to secondary. No siphons, no secondary fermentor to sanitize, no extra bungs and airlocks.

FastFerment produces dramatically clearer, better results. Start each batch cleaner by letting debris settle out into the collection ball before pitching your yeast! Remove the debris, and pitch into ultra-clear beer. Plus, FastFerment minimizes the risk of oxidation and contamination, preventing off-flavors and infection. Keep your batch safe from external spoiling factors by keeping it in one place.


  • Easy Cleaning and Batch Stirring - 6" (15cm) removable screw top
  • Total Capacity 7.9 US Gallons/ 30 Litres - Made for 5 Gallon batches with blow offs
  • Easy Wall Mounting System - Mounts to standard 16" (40cm) wall studs
  • 33% Bigger Valve for Increased Flow Rate - 1" (2.5cm) Bottom valve compared vs. 3/4" (2cm)
  • Collection Ball for Yeast Harvesting - Save $100's & harvest your Yeast Strains!
  • Temperature Monitoring Capabilities - Stainless Steel ThermoWell included - Thermometer Available.

Catalog SKU 41310

Details & Instructions

Additional Information

4.1 / 5.0
71 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
fast ferment conical fermenter
unhappy returned item. the top will not seal, trube and yeast collects to the inside of the fermenter sides, instead of going into the collection ball. truly disappointed in this product.
March 12, 2016
Response from Midwest Supplies

I'm sorry you have such trouble with this product. I'm glad we were able to process a return for you.
November 2, 2016
Midwest Supplies
Well Built device... just takes some TLC to setup... Stellar Customer Service From Manufacturer FastBrewing
So, I was a bit reluctant to buy this at first given mixed reviews... but after another one of my glass Big Mouth Bubblers cracked when it got tapped while full of liquid... I took the plunge.
There is a lot of info out there on the setup of these things... do yourself a favor Read ALL of the directions and then go watch the setup video on YouTube... My recommendations on setup:
1. use an exacto knife to trim off the excess plastic (very gently) from the molding process on both sides of the threads on the vessel itself.
2. follow their recommendation to screw-unscrew the parts 10x. this really helps to seat the parts prior to assembly with the Teflon tape.
3. Be EXTREMELY careful in threading in the thermowell. I would recommend one hand on the inside to make sure it's mostly straight with respect to the hole itself while you gently screw it in. (this is the one part I had to reseat 4 times to add additional Teflon tape per the instructions). I needed to use a box wrench for the final few turns (you want this snug up against the container but be careful not to go too far or you could end up damaging the vessel itself).
4. Use the Teflon tape per the instructions when assembling the Grey bits onto the vessels. Take your time here and make sure all threads are covered by 3 layers of tape.
5. Prior to leak testing make sure you have purchased the Stand (Unless you plan to have this mounted on a wall (which I have yet to do). (I put the stand in the utility sink to leak test the unit (easier to fill/empty).
6. Also prior to trying to move the vessel when full, do yourself an favor and purchase the $15 strap… I know it seems silly… but Its easy for this to get away from you as it’s pretty smooth without any hand holds and it could easily damage a fiberglass sink (don’t ask me how I know this…); it’s far cheaper to spend $15 for the strap than time/effort/cost to repair/replace a sink if it slips when full because you don’t have a stand (see comment 5.) and are trying to hold/empty it over the sink….
7. If you have ANY issues with it at all, don’t hesitate to reach out to the manufacturer FastBrewing (the manufacturer) directly (I called/emailed them as I had a weird leak issue on the ball valve itself… they promptly remediated this and I had new parts in a couple of days along with an additional silicone seal for the lid!).
In short: Great device for the price (especially when compared to the time/effort (cleaning and transferring) +cost of 2 vessels vs this one)… Plus I’ve got to believe this one is A LOT more durable than glass.
I will update this once I’ve had the opportunity to brew with this (just upgraded my equipment to this fermenter and a grainfather… so we’ll see!.
November 19, 2016
conical fermentor,
I love this thing, I reuse the yeast that is captured in the bottom container for my next project.
the only thing that I don't like is if you don't dissemble the ball valve the trapped product can spoil your next batch.
April 23, 2017
over 2 years ago
Fast Ferment review
Very cool looking when mounted on wall. 1st step is to use Teflon tape and tape all threads. Then fill with water to test sealing and what your fermenting temp will be. Mine is 72 to 76 during summer. A little warm. This is the downfall - temp control. Once I brewed it was very awkward to fill fermenter and pick the thing up to hang on wall. Once hung it didn't seal well so I used the 2nd spare gasket that came with it. I obtained fermentation and it stayed put for 2 weeks. I drained hop sludge and my ipa hops clogged up the drain part. I had to work to free up the flow. I then dry hopped and realized I cant cold crash at end to clear beer - another downfall. I did drain to a keg and the included 2 foot drain tube caused a lot of air to get in my keg and cause foam. I suggest you buy a longer hose. I cleaned all parts quickly and it cleaned out very well. like everything else in home brewing you try it once and improve what you can. I like this product and will adjust my 5 gallon recipes to get 6 to 6.5 gallons now that I have the larger head space of the fast ferment. I wouldn't use this on competition beers and hoppy IPA's but will use it for everything else.
July 28, 2015
FastFerment works for me after some tweaks
I like it. You do have to use teflon tape on everything and I had to clean up some of the threads after that it sealed up. One thing to note is to make sure you take apart everything to clean. I found some nasties in the threads in a couple of places.
March 22, 2016
Not air tight
I have used my FastFerment 3 times. The first time I tried to use it I had a leak. I called and replacement parts were promptly shipped. No more leaks. However, I have yet to see on bubble released through my air lock. Again I called and again a replacement O-Ring was promptly shipped. Replaced the O-Ring and continued with the same lack of air release through the air lock. _x000D_I must say that this did not seem to affect the quality of the brew. I made a very good DIPA and blueberry wheat. _x000D_It was suggested that I stack the O-Rings on top of each other to get a tight seal. I'll be trying that with my next brew on Friday._x000D_The ease of cleaning and eliminating the need to rack to secondary really are a benefit. I'm hoping this will become a 5 star product for me.
May 13, 2015
Great invention
I have had issues with sanitation while racking between primary and secondary in the past. The collection ball method has simplified that process and do not worry as much about possible infections associated with transfers. Thanks Fast Ferment!!
February 25, 2016
Good advancement from a beginner kit
I got this conical fermentor as my first big advancement from my beginner homebrew kit. I wanted to start brewing beers that needed secondary fermentation, but I didn't want to get another bucket or carboy due to lack of space. This solves that problem well. It is slightly larger than I expected, but not drastically. I have my first brew in fermenting currently and am very happy with it so far.
January 12, 2017
1 year ago
Best fermentor ever!
Perfect size, good workmanship, I got second one!
March 1, 2016
I love it
I bought mine before they became available here. I love it. I made a batch of cider which I bottled two weeks ago. Everything was textbook perfect. _x000D__x000D_After bottling I gave it a good rinse then poured in a gallon of PBW and gave it a good shake. Emptied through the bottom valve so it would get cleaned and gave it a good rinse. It's quite a bit easier than using buckets._x000D__x000D_I plan on getting a couple more.
December 27, 2014
Customer Q&A
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 11 questions Browse 11 questions and 56 answers
Does this come with the yeast collection ball?
A shopper on Feb 4, 2017
BEST ANSWER: Whoops, sorry, yes it does have a collection ball included. They also sell additional collection balls in the accessory section. Cheers!
How do you take samples for checking SG? Unscrew the top?
A shopper on Mar 7, 2018
BEST ANSWER: If you get their sampling port, that's the easiest way. If you don't have that, the easiest way I get SG is when I "rack". Meaning, when I remove the collection ball to toss/save the yeast I'll take my SG from the top of the collection ball first.
Is the stand included?
Christopher S on Jun 7, 2017
BEST ANSWER: No, the stand is an extra and it is a little short , but if you don't have a way to hang it the stand is necessary
do you need the thermometer or the yeast collector to use this? Thinking of getting this for my husband.
J B on Dec 9, 2015
BEST ANSWER: Thermometer, no. You do need the bottom collector which is included.
Can the Fast Fermenter be steam cleaned?
A shopper on Feb 12, 2018
BEST ANSWER: I would not recommend steam cleaning. Polypropylene can handle temps up to approx 150f. Over that and I would expect it to become deformed. Cleaning is easy with a food grad long handle brush and warm soapy water. It can handle chlorine as is needed for staining. Clean with soap and brush, rinse and fill with potable water, add 1.5 oz of bleach and let sit for at least 15 min. Rinse to drain with potable water prior to filling with wort.
The trub just sticks on the side and does not flow down into the collector negating the advertised advantage of this fermentor. Has anyone else with this issue and found a way to get it to work?
Don M on Jun 28, 2017
BEST ANSWER: Depending on the yeast, I've had some trub that hangs to the side angles. I have mine mounted on the wall, so I just move it back and forth which helps move things along. Another tactic I've began employing is using a stir plate pill and using a magnet to move it around the sides while maintaining my original seal with the container. Presto!
I still bottle my beer because reasons. What are the logistics of adding the bottling sugar if you're going to bottle straight from the FastFerment? Does the sugar solution get poured directly into the top of the FastFerment, or will I have to use those sugar pills I've seen, one per bottle?
G C on Aug 26, 2016
BEST ANSWER: I keg all my beer now, but when I first started homebrewing I did bottle my beer. Normally I would put the priming sugar in the fermenter right before bottling (if the beer was clear) or I would use the sugar pills if the beer had a bunch of yeast or hops floating around it in. With sugar pills I would use one per 12 oz bottle or 2 per 22 oz bottle. With the FastFerment you are able to collect most of the yeast or hops out the beer from the catcher at the bottom before bottling, so I don't see a problem with putting the priming sugar in the top and mixing it in right before bottling. I hope this helps!
when the ball is replaced and the valve is turned on, liquid fills the ball again. Wouldn't the air that is displaced bubble up through your wort, potentially oxidizing it?
Corey R on Mar 27, 2016
BEST ANSWER: The tiny amount of oxygen leaves the liquid right away and oxidation is a long and slow process so we have seen no effect of oxygen on the beer. You could fill the ball with water/clarifying agent liquid to avoid that.
If I was to filter my mead from this just before bottling would you recommend a way to do it?
A shopper on May 10, 2017
BEST ANSWER: I have made multiple batches of beer in mine but not mead. after fermentation was complete. I always opened the ball valve and left it open for a couple hours before closing the valve and tossing the sludge that got captured in the bottom reservoir that screws to the bottom of the valve. You might have to do that twice to get all the sediment out. If you have not yet purchased this product, I would not recommend it. When opening the ball valve to let the sludge out that sits on the bottom. The valve gets clogged with the yeast and sludge. You have to end up taking a long coat hanger or stick to free up the valve. Also the yeast sludge sticks to the sides of the walls while trying to get rid of your yeast. If you have not yet purchased this product I would reccommend looking at the conical fermenter that they sell that has a much wider ball valve, which a mason jar attaches to the bottom of the ball valve. I believe that fermenter would work alot better in preventing the valve from getting clogged. I hope this post helps you out.
I can't get a seal between the fermentor and the ball which leaks constantly. Does anyone have a solution to this problem?
A shopper on Sep 4, 2017
BEST ANSWER: I am assuming the leak is at the grey coupling. Don't over tighten the ball when you screw it on, once it makes contact I go an 1/8 to a 1/4 turn more and never had a drip. Finger tight, not hand tight.
Brewing an Citral IPA, the amount of hops that settled out clogged the valve to the collection ball. I tried to shake it loose and even used a sanitized spoon but had to end up racking to a carboy. What do you suggest I do to avoid this in the future?
P A on Jun 25, 2016
BEST ANSWER: I would suggest using a hop straining bag for dry-hop additions. Just dip the bag in sanitizer first and you can use unscented, unwaxed dental floss to tie around the bag for easy removal. Let us know if you have any other questions!

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