Horse's Ass Ale Starter Kit with 3G FastFerment

Product: 90-15226-00

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Watch Robert brew this recipe in the FastFerment by clicking here.


  • 3 Gallon FastFerment Conical Fermenter
  • Horse's Ass Ale Recipe
  • 1 Can Classic American Light Brewing Extract
  • 1 Packet Dry Brewing Yeast (under lid of Brewing Extract)
  • 1 Packet Cascade Pellet Hops (1/2 oz.)
  • 1 Packet No-Rinse Cleanser
  • Mr. Beer Brewing Instructions for the 3 Gallon Fast Ferment


  • 1 cup of honey


  • Brew Mr. Beer's Best Selling Recipe, Horse's Ass Ale
  • FastFerment developed to be the same shape as large brewery fermenters
  • Harvest your own yeast for future brews
  • Give 2 gallon batches plenty of headroom for fermentation
  • Easy to clean
NOTE: Bottles and Caps are sold separately.


  • 1 Can Classic American Light Brewing Extract
  • 1 Packet Dry Brewing Yeast (under lid of Brewing Extract)
  • 1 Packet Cascade Pellet Hops (1/2 oz.)
  • 1 Packet No-Rinse Cleanser


  • 1 Cup Honey

Additional Information

  • OG: 1.041 (approx.) -- FG: 1.008 (approx.)
  • Flavor: Malty
  • ABV (alc/vol): 4.3%
  • SRM (Color): 2
  • IBU (Bitterness): 11
  • BJCP Style: 18. American Pale Ale - 18B. American Pale Ale



Bottle Condi­tioning

Total Brew­ing Time

3 Weeks 3 Weeks 3 - 4 Weeks = 3 Months



Sanitize everything that will come into contact with your beer, using half of your packet of No-Rinse Cleanser in 1 gallon of water. (The other half of the packet should be reserved for sanitizing bottles). 


Brewing beer is the process of combining a starch source (in this case, a malt brewing extract) with yeast. Once combined, the yeast eats the sugars in the malt, producing alcohol and carbon dioxide (CO2). This process is called fermentation. 

    1. Remove the yeast packet from under the lid of the can of Brewing Extract, then place the unopened can in hot tap water.
    2. Using the cleaned measuring cup, pour 4 cups of water into your clean 3-quart or larger pot. Bring water to a boil, add in honey and pellet hops, then remove from heat. Stir until hops are dissolved.
    3. Open the can of Brewing Extract and pour it into the mixture. Stir until thoroughly mixed. This mixture of unfermented beer is called wort.
    4. With the bottom valve all the way open, fill the fermenter with cold, refrigerated water to the 1-gallon mark. TIP: For best results, use refrigerated bottled spring water or charcoal-filtered tap water no warmer than 40°F.
    5. Pour the hot wort into the fermenter, and then bring the total volume of the fermenter to the 2-gallon mark by adding more cold water. Mix vigorously with the spoon or whisk.
    6. Sprinkle the yeast packet into the keg, and screw on the lid. Do not stir. Fill the airlock with water up to the line.
    7. After 5 days, close the valve and remove the collection jar from fermenter. Discard the sediment (called “trub”) from the jar, then clean and sanitize the jar in boiling water for a few minutes and replace onto the fermenter. Open the valve allowing the jar to fill with beer and continue the fermentation period.
    8. Put your keg in a location with a consistent temperature between 68°and 76° F (20°-25° C) and out of direct sunlight. Ferment for 14 days.

Your fermentation will usually reach its peak in 2 to 5 days (this is also known as “high krausen”). You may see a layer of foam on top of the wort, and sediment will accumulate at the bottom of the fermenter. This is totally normal. Complete fermentation will take approximately 2 weeks.

After high krausen the foam and activity will subside and your batch will appear to be dormant. Your beer is still fermenting. The yeast is still at work slowly finishing the fermentation process. 


    1. Once fermentation is complete and you are ready to bottle, close the valve and remove the collection jar from fermenter. The contents of the jar, which will mostly be yeast, can be discarded or saved to ferment a future batch. If saved, put a lid on the jar and refrigerate right away until use. This yeast may be used for up to 4 weeks after refrigeration.

    2. To reuse your harvested yeast, simply pitch into your next batch by pouring the contents from the collection jar into the fermenter when it calls for yeast.


        1. After removing the jar, screw on the barbed hose adapter with 3.8" hose attached for bottling or kegging.
        2. Sanitize bottles with the last half of No-Rinse Cleanser and 1 gallon of water. Emptying them out once finished.
        3. You will use the 3.8" hose to transfer your beer into bottles or kegs for carbonation.
Horse's Ass Ale Starter Kit with 3G FastFerment is rated 4.2 out of 5 by 18.
Rated 4 out of 5 by from nicer design than the plastic barrel I got this for Christmas and have bottled the Horse's Butt Ale into my bottles. I like this to allow me to do smaller batches. (I am use to doing 5 gallon batches) The Down side is that the gasket on the bottom for the mason jar falls out when taking out the trube ( I may try the next time to use some keg lube to hold it in place ) and is hard to get back in. A design improvement would be a 90 deg elbow for bottling and maybe a filter attachment to strain out the leavings as you bottle. That said I will have to get a second one to allow increase of my styles at the same time. May even think about getting their 6 gallon one in the future. Next is a Bourbon Barrel Vanilla Porter ;-)
Date published: 2018-01-27
Rated 4 out of 5 by from A real step up from the LBK I was so impressed with the FastFerment system, I purchased a second one. My brew is still conditioning, so I can't comment on anything except its clarity in the bottle. One downside that MrBeer needs to correct is to provide correct instructions for the FastFerment system for every recipe they sell.
Date published: 2018-02-10
Rated 4 out of 5 by from Good product! Got this for a Christmas present. This is my move up from 1 gallon brewing. Easy to use, made the fermentation process very easy. Did have trouble sealing the valve to the fermenter. I had to use about 14 wraps of teflon tape to make a seal. Then the bottom valve gasket fell out when I removed the mason jar after primary. It was very difficult to replace. Other than that, it worked great. I would recommend.
Date published: 2018-01-27
Rated 5 out of 5 by from 3g fermenter and horses I have 2 of the 7.9 gallon fast fermenters and love them. This 3 gallon is great for smaller batches. I like that it uses standard mason jars and comes with a stand. The horses was very good and easy to make. I am looking to purchase another kit.
Date published: 2018-04-06
Rated 5 out of 5 by from Overall great kit, but I like to SEE the action The Fast Fermenter was easy to put together, easy to clean, and easy to dump the initial trub (and later, the yeast sludge). Overall great to work with. The only downside for me is not being able to see through the fermenter to see how active the yeast is. I usually like to check the speed of the tiniest bubbles to know if fermentation is still ongoing, and how fast. The CO2 vent at the top just doesn't give me that info. Horses's Butt got a real nice swing to her tail! All it took was a bit more patience (3 week fermentation seems like fooooreevver). This is where the FastFerment is useful, to dump the built-up sludge which might normally produce off-flavors during such a long fermentation, or would cause a bunch of work and possible contamination moving the wort to some new container for the secondary fermentation period. Simply closing a valve, cleaning out the jar, and replacing the jar made the process ridiculously simple.
Date published: 2018-06-23
Rated 5 out of 5 by from Now I want two! While I enjoyed the LBK this definitely steps it up a notch. My first brew was easier and clearer than I had got out of the LBK. I am already on my second batch so clean up was much easier too. I did purchase an adhesive thermometer that helps me see the temp plus I built a styrofoam cover to keep it cool with a frozen bottle when it is warm.
Date published: 2018-11-02
Rated 1 out of 5 by from An efficiency machine. I've only put one batch though it (just bottled it last weekend) so I can't attest to the taste yet but I can say that it greatly reduces prep and cleanup by allowing me to ferment both primary and secondary without transferring. Cleaning is about the same as the LBK,
Date published: 2018-01-25
Rated 5 out of 5 by from Love it! I love the 3g, so much easier than my previous fermenter. Just brewed my third batch. 1st batch turned out good. **** Stars, not a big fan of Cooper's year a bit sour for my taste. The 3g however is awesome..... ***** Stars
Date published: 2018-03-29
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