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Mark II Corny Keg & Carboy Washer

Mark II Corny Keg & Carboy Washer

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Mark’s Mark II Keg Washer™ is designed to clean and sanitize large vessels like cornelius kegs and carboys. This keg cleaner is also intended to provide a sanitation container for miscellaneous items such as airlocks, thermometers, tubing, keg fittings, and more.

Quiet, Fun, & Easy to Use

  • Very quiet when in use and most importantly speeds up the process of cleaning and sanitizing.   
  • Light in weight.  Easy to store. 

Cleans Kegs

  • This keg washer cleans and sanitizes a cornelius keg without having to take apart the ball lock fittings, poppets, and dip tubes. You can clean the keg and the dip tube simultaneously using the T adapter.

Cleans Tubing Too

  • Cleans tube separately utilizing the pump with the additional barb fittings included. 

Cleans Parts

  • Reservoir holds 1.25 gallons of water making it easy to fill and empty with sanitizer.    
  • Saves water and sanitizer. 

The keg washer does not have an on/off switch, you can plug it directly into a wall outlet to operate the pump or plug it into an outlet that is controlled by a switch. Never leave the keg washer unattended when in use.

When in use, fill the keg washer up to about 1 inch under the brim. The pump is not self priming, so always make sure the basin is full of water before plugging in the pump.

Owner's Manual is included. Please read thoroughly before using. Dimensions of the inside of the washer's reservoir are: 6"L x 12"W x 4"D.

Please Note: Product does not include the bucket, carboy, or keg pictured above for display purposes.

The pump specs are:

  • 520 GPH
  • 120 Volts AC
  • 40 watts
  • Ceramic shaft, impeller
California Recipients: See Proposition 65 Information
Item # KEG300
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - Out Of Stock
Weight 7LBS
Community Q&A

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Why did you choose this?
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looks like time saver
Leonard M on Oct 25, 2018
Tired of washing by hand
Rick G on Sep 28, 2018
looks like time saver
Leonard M on Oct 25, 2018
this thing works great!
Rob C on Oct 20, 2018
Tired of washing by hand
Rick G on Sep 28, 2018
Simplify cleaning
William M on Jul 30, 2018
Will be using these to wash sanke kegs until we can upgrade
Steven H on Jul 13, 2018
Tired of washing, rinsing, and sanitizing by hand.
Sergio Arreola on Jun 11, 2018
ease of use
Liam C on May 24, 2018
Will make life easier and assure sanitized
Adam Reynolds on Mar 16, 2018
this thing works great!
Rob C on Oct 20, 2018
Simplify cleaning
William M on Jul 30, 2018
What is the wash cycle time? I assume you have to change out the cleaner and sanitizer between wash and sani.
Dennis Wiggins on Apr 17, 2018
BEST ANSWER: Cleaning and sanitizing is specified on the cleaner and sanitizer product's label of your choice. Contact time varies.

The MKII uses about 1 gallon of fluid for cleaning and I can usually clean about 2-3 vessels at a session. Just make sure you dump all solid matter first. I making a hot cleaning solution (>100° F) and wash each vessel for 30 minutes.

I have never used the MKII washer with sanitizing solution but would not recommend it as it would bubble up tremendously! I would suggest mixing a separate gallon of sanitizing solution and getting a chemical grade spray bottle to spray your vessels. 5 Minutes contact time is all you need for those products.


4.2 / 5.0
78 Reviews
5 Stars
4 Stars
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1 Star
works great
this keg and carboy washer works great, saves water and PBW!
November 23, 2018
1 month ago
Excellent washer, wished it could have an extension to be used with demijohns
November 8, 2018
1 month ago
Works great!
Very impressed! Used it to clean and sanitize some 5gl kegs and 8gl bucket fermenters. Worked like a charm. Nice to walk away while the whole thing gets cleaned. Of course the temp of the cleaner drops quickly but I don’t think that matters much. You could always add more hot water/detergent if you want. Haven’t figured a good way to get the bucket lids into the device but easy to handle separately.
September 6, 2018
3 months ago
Pretty good while it lasts, but the pump failed after a couple years, and I only brew 8-12 times per year, so I wouldn't recommend this unless you have money to throw away.
July 1, 2018
Awesome product!!!!!!
April 25, 2018
8 months ago
A pain to use and cheaply made
The collar is flimsy and difficult to attach. The hose nozzle shifts around. My pump broke after about 6 uses. It does not clean both keg posts.

If you want to clean kegs, use the Ss Brewtech Keg WaSsher. If you want to clean carboys, soak in PBW and use a carboy brush (you'll do a better job and it ends up being easier when factoring in the setup).
April 17, 2018
11 months ago
Does a great Job
I don't know why I did not buy this years ago. It has been a miracle that I was able to sanitize properly without it. It is one of the best purchases in a long time, and made my life much easier.
March 26, 2018
8 months ago
Simple design, made easy work of mundane tasks.
Simple build, includes a Tee fitting for the liquid line to also clean the dip tube in corny kegs. Let's you get other things done while this runs in the background. A second one to run PBW while this one runs StarSan would be even more efficient use of time. It would be a little more convenient to have an on-off switch instead of constantly unplugging it but for what it does, it works perfectly.
March 22, 2018
11 months ago
Nice little machine
Digging this little thing. It’s simple , but easy and effective.
March 13, 2018
9 months ago
This unit is absolutely awesome. It does a great and very thorough job of cleaning and sanitizing both kegs and carboys, and with very little water mess. I would definitely recommend it.
March 10, 2018
9 months ago