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FastFerment 7.9 Gallon Conical Fermentor

FastFerment 7.9 Gallon Conical Fermentor

SKU: U41310

FastFerment is your all-in-one fermentation solution.

From: $99.99

To: $190.94

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FastFerment 7.9 Gallon Conical Fermenter   ($99.99)

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Price as configured: $0.00



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 - ThermoWell included - Thermometer Available.

Catalog SKU 41310

Details & Instructions

Additional Information

4.2 / 5.0
64 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
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
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
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
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
Best fermentor ever!
Perfect size, good workmanship, I got second one!
March 1, 2016
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 M
My daughter bought this for me as a gift. Only the third batch of beer I have made, but by far the easiest. It sure beats the siphoning and trying to keep the tube from sucking up sediment. I am probably going to by 1 or maybe 2 more so I can keep things moving. Now I will have to get into kegging... too many bottles.
May 19, 2016
Great Product!
As a novice Home Brewer, this has made my life so much simpler! I look forward to getting a few more!
March 19, 2016
Great product, Less hassle
Easy set up, well engineered product. I also purchased the strap and stand, both good investments. This has saved time and hassle for brew day and beyond. No more siphoning!
June 10, 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
3 months ago
Customer Q&A
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 10 questions Browse 10 questions and 28 answers
Does this come with the yeast collection ball?
A shopper on Feb 4, 2017
BEST ANSWER: Yes, but because air has to exit the collection ball up thru the valve which bubbles up thru and disturbs the solids collected, I find it works better to use the included hose to slowly drain the sediment or yeast into another open or vented vessel.
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: Hello. The yeast collector is not needed, unless he desires to harvest yeast. If you don't think so, don't but it. At least not now. The thermometer: yes. It's very helpful with fermentation, I'd say it's important to know what temp your beer/wine/mead is fermenting at. I hope this helps! Good luck and cheers!
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: Yes, but it would a small amount. Your looking at 1 quart volume versus 8 gallons. Mind you, I have not done any scientific studies on this but I'd think it would be small. If your looking for a more exact answer I would contact a local microbrewer and ask their opinion. Also, I'd be more concerned about leaks in the lid or a faulty close valve with this conical fermentor. Good Luck
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!
I see your answer about the air space when doing wine. But I am still confused. I understand the theory about the CO2 gas driving out the oxygen during fermentation but what happens when you stabilize, and start the clearing process. There is no CO2 available and the air space is still there.. Thank you very much for your time.
N E on May 21, 2016

Thank you for your question. If your secondary (after stabilizing and clearing) stage will be longer than 1 month we recommend racking into a glass carboy to reduce the head space and therefore reduce the oxidation potential.

Has anyone used it for wine brewing? Wine juice comes in 5 or 6 gal buckets. What do you do with the 2 gal air space?
H O on May 6, 2016
BEST ANSWER: The Fast Ferment would work fine for wine. Primary fermentation creates enough CO2 to drive off any oxygen in the space and the lid isn't opened when switching to secondary with the Fast Ferment. If you were going to do a long secondary (more than 1 month) I would recommend racking into a glass carboy at that point.
Can I purchase an extra lid in order to drill out for a grommet and blow off hose. I love this product but I've already experienced a clogged airlock due to aggressive fermentation
R M on May 3, 2016
BEST ANSWER: We do not have lids available on their own. You can use a three piece airlock and tubing to make a blow off without modification.
What are the dimensions of the product?
B O on May 1, 2016
BEST ANSWER: The FastFerment is 15" in diameter and 24" tall.
Has anyone tried making wine with this? If so, what were your results, likes, dislikes...
J S on Feb 19, 2016

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