TWO x Stainless Carbonation Cap for PET Bottles by Luckeg – $17.99, $9 each, near best price + Draft Line Cleaner Builds

PET Bottles Beer Carbonation Cap 2 PCS - Counter Pressure Bottle Filling with 5/16" Barb, Carbonation Beer Soda Water Brewed Beer, Fits Most Soft Drink PET Bottles

PET Bottles Beer Carbonation Cap 2 PCS – Counter Pressure Bottle Filling with 5/16″ Barb, Carbonation Beer Soda Water Brewed Beer, Fits Most Soft Drink PET Bottles by Luckeg


From the product description, check product page for current description, price and availability:

  • Heavy Duty Stainless Steel for Carbonation Cap (2 PCS), Perfect Polishing Surface,with two four Food Grade Silicone Seal Rings;
  • Unique Machined the Carbonation Cap, can fit Both Black Liquid Ball Lock Disconnect and Grey Gas Ball Lock Disconnect;
  • The Carbonation Cap can fits Most Soft Drink PET Bottles, easy to Counter Pressure Bottle Fill PET Bottles;
  • The Carbonation Cap can Carbonate Various Beverages, including Soda, Beer, Juice, Water or Clean Beer Line;

Potential Uses:

  • PET Bottles as Growlers: These are generally intended to convert 1L and 2L bottles to growlers.  Fill up a 1L or 2L PET bottle with your favorite homebrew.  Put one of these on (purge the headspace by squeezing if you want to) and then pressurize for transport.  This should help to reduce oxygen pickup and maintain carbonation levels.
  • Fine tune or rapidly carbonate beer: You can also use this cap to rapidly carbonate beer.  Same process as for transport, just set your regulator to the proper pressure and shake or agitate the PET bottle to help introduce CO2.  Or hook it up to CO2 and let it sit in you kegerator.
  • Draft Line Cleaning Projects:  I have developed two draft line cleaning projects using similar SS Caps – Build A Recirculating Draft Line Cleaning Pump | Mark II Keg and Carboy Cleaner Draft Line Cleaning Pump Conversion – make sure your chose SS carb cap works with liquid ball lock QDs – Building a Simple Ball Lock Draft Line Flushing Setup

11/25 12 AM Central: These are on sale for just $17.99. That’s just 90 cents shy of the best historical third party Amazon price I found, notwithstanding Lightning Deals or coupons. Shipping is also free to many US addresses. Prices and availability can change quickly.  Check product page for current info – More About Prices

PET Bottles Beer Carbonation Cap 2 PCS – Counter Pressure Bottle Filling with 5/16″ Barb, Carbonation Beer Soda Water Brewed Beer, Fits Most Soft Drink PET Bottles – note that multiple variations of this product may be available, as such a different version may appear at this link

Also Consider:

ball lock jumperStainless Steel Ball Lock Jumper with Food Grade Silicone O-Rings: Allows you to connect multiple ball lock runs to clean multiple lines and taps at the same time. Works with both liquid and gas QDs.  Stainless Steel Ball Lock Jumper – via Valuebrew – An easy add-on… food grade o-rings, featured in our Keg Rebuild Post

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