Carbonation and Line Cleaning Ball Lock Cap - Stainless

Carbonation and Line Cleaning Ball Lock Cap - Stainless

In Stock
60 day no hassle return policy. Details

This stainless steel ball lock cap features soda bottle threads, allowing you to convert a 1 or 2 liter soda bottle into a convenient travel growler. The ball lock is compatible with both gas and beverage disconnects, so you can charge the PET bottle before you leave the house and dispense on the go. Attach 3/16" or 1/4" ID tubing to the barb to serve as your dip tube and you're all set!

These caps also work great for quickly and conveniently cleaning your draft lines. Mix up a small batch of line cleaning solution in a soda bottle, attach the ball lock cap, and then connect it to your beverage line. Place a bucket below your tap to catch the cleaning solution and open your faucet. Then simply turn the bottle upside down and squeeze it to push solution through your line and out the faucet. You can also choose to pressurize the bottle first, but squeezing the solution through is just as effective.

Fermenting with the FermZilla? This is the same ball lock fitting included with the FermZilla Pressure Kit and it's also compatible with the FermZilla Collection Container. If you use the collection container to add dry hops, attach one of these caps and you'll be able purge the container of oxygen before opening the dump valve to introduce the hops. Attach some tubing and diffusion stone and you can oxygenate your wort through the collection container as well!


  • Liquid and Gas Ball Lock Compatible
  • Disassembles for Easy Cleaning
  • Made from Stainless Steel
  • 28mm PCO 1881 Threads
Item # KG500
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - Out Of Stock
Weight 0.21 LBS
Community Q&A

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Browse 2 questions Browse 2 questions and 27 answers
Why did you choose this?
MoreFlavor Store
Easy line cleaning
Willow D on Jul 1, 2020
To use to build tap cleaner
John Z on Jun 25, 2020
Easy line cleaning
Willow D on Jul 1, 2020
you guys are great !!
Valued C on Jun 26, 2020
To use to build tap cleaner
John Z on Jun 25, 2020
Need it for home carbonation
Nelson Gonzalez J on Jun 24, 2020
To add to FermZilla all rounder fermenter
Tyree on Jun 12, 2020
To use with the I tap bottling thing I have
Nik on Jun 9, 2020
Great way to serve from PET bottles. Also can be used to cleanly add flavorings, etc. to a keg w/o allowing O2.
John M on Jun 2, 2020
Going to take advantage of cheap plastic bottles.
Nick on Jun 1, 2020
well made, good value
Joseph S on May 30, 2020
to carb n clean
ShariLayne K on May 23, 2020
For cleaning beer lines.
Timothy M on May 20, 2020
clean faucet/tap line
David B on May 19, 2020
Recommended by friend for connecting gas inputs
Valued C on May 14, 2020
to move wort from fermenter to secondary and secondary to keg
Craig W on Apr 7, 2020
easier draft line cleaning
Joshua R on Apr 4, 2020
for the purposes proposed by morebeer
Greer W on Mar 16, 2020
Sounds like a better way to clean lines
Steve K on Mar 14, 2020
To use with Fermzilla for dry hopping.
Jeff O on Dec 12, 2019
I picked this item to use with a Fermzilla collection container.
Damian J on Dec 4, 2019
Beer Line cleaner made from a soda bottle
Chris S on Nov 19, 2019
Line cleaning
Brandon W on Nov 18, 2019
For use with collection jar on Fermzilla
Michael B on Nov 5, 2019
you guys are great !!
Valued C on Jun 26, 2020
Need it for home carbonation
Nelson Gonzalez J on Jun 24, 2020
What is the size of the barb? Is it 1/4"?
James Cruz on Mar 25, 2020
BEST ANSWER: The barb is 1/4" OD and will fit any 1/4" ID tubing. We always recommend using hose clamps when dealing with pressurized systems.

5.0 / 5.0
4 Reviews
5 Stars
4 Stars
3 Stars
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1 Star
very good
seals perfectly, much better than the plastic one.
June 11, 2020
1 month ago
Waaaaay better than carbacap!!!!
Works great! 1000% better than the plastic carbacap, which doesn’t fit on any bottles!
May 10, 2020
2 months ago
Wonderful products super fast shipping
I totally love my purchase. And am shopping for more things to buy. During our being separated I decided to spend my time constructively. The shopping was fun shipping and transaction easy and fastest shipping I've see. Yet.
April 29, 2020
2 months ago
Must have for plastic bottling and pressure transferring from carboys
Probably one of the best purchases I've made. Counter-pressure filling and carbonating soda type bottles, closed transferring out of carboys by placing it in the carboy cap small barb with a clamp (use caution with pressure and glass), and more.
March 26, 2020
7 months ago