Stainless Steel Carbonator Cap for PET Bottles + Hands on Review

Ferroday Stainless Carbonation Cap Counter Pressure Bottle Filling With 5/16" Barb,CO2 Coupling To Carbonate Soda Beer Fruit Juice Water

Stainless steel ball lock carbonation cap with barb.  Includes replacement o-ring.


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

  • 304 stainless steel will last a lifetime
  • Carbonate,cleaning your beer lines
  • Use it to counter pressure bottle fill PET bottles
  • Easy to install and use,with extra one piece of o-ring for replacement

“The post on this unique carbonation cap has been machined ,so it fit BOTH the liquid and gas ball lock disconnects.”


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

One of the questions that arises on these carb caps, is… does it work with both liquid and gas posts?  Some models are universal fit and some work only with gas posts.  For draft line cleaning projects to work well, at least in my opinion, the carb cap that’s used needs to be universal.  I’m happy to report that the one I received did indeed work with both liquid and ball lock posts.  Check out my Hands on Review of this great carb cap.

Ferroday Stainless Carbonation Cap Counter Pressure Bottle Filling With 5/16″ Barb,CO2 Coupling To Carbonate Soda Beer Fruit Juice Water

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2 thoughts on “Stainless Steel Carbonator Cap for PET Bottles + Hands on Review

  1. Anonymous

    These can be found on aliexpress.com for way cheaper. Likely all this seller is doing is buying them for $13 on aliexpress and reselling them. Cut out the middle man and just get them from there.

    Reply
  2. Michael S Patterson

    About a year ago I bought one of these and the spring dislodged making it useless. The homebrew store did send me a new one after describing what happened. The outside does seem well built but the insides appear more delicate.

    Reply

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