£19.99 Sold Out
Key Facts
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Compatible with TR21-4 (Blue) Cylinders
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Fits SodaStream Quick-Connect Machines - Works perfectly with Terra, Art, Duo, and other pink-cylinder models
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Save Money - Continue using your existing cylinders instead of switching to the new Quick-Connect type
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Easy Installation - No tools required; simply screw in and click into place
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Safe and Reliable - Built from high-quality materials for secure, leak-free performance
Description
Got a stockpile of SodaStream Blue screw-in (TR21-4) cylinders? Don't let them go to waste! Our SodaStream Adapter lets you use traditional Blue screw-in CO2 cylinders with the latest Pink Quick-Connect machines, including Terra, Art, and Duo.
Perfect for anyone upgrading to a new machine but not ready to throw away perfectly good cylinders. Reuse what you already have - and save!
Perfect for anyone upgrading to a new machine but not ready to throw away perfectly good cylinders. Reuse what you already have - and save!
Customer Reviews
Average Rating
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Martyn O.
1st Oct 2026Fits my Terra perfectly and no leaks 5/5. Fits my Terra perfectly and no leaks 5/5. -
Juling S.
18th Sep 2026Fast delivery and works perfectly with my Terra machine Fast delivery and works perfectly with my Terra machine -
Andrew B.
23rd Jun 2026It fits securely with no leaks, though it did take a little bit of fiddling to get it working correctly at first, but I figured it out in the end! It fits securely with no leaks, though it did take a little bit of fiddling to get it working correctly at first, but I figured it out in the end! -
Andrew W.
12th Jun 2026Works well. It leaked to start with but I'd not realised once the two parts are clicked together in the machine that you then need to tighten the cylinder into the adapter. All fine after that. Works well. It leaked to start with but I'd not realised once the two parts are clicked together in the machine that you then need to tighten the cylinder into the adapter. All fine after that. -
Cherry H.
8th Jun 2026Exactly what I wanted. Perfect. Exactly what I wanted. Perfect. -
Rose C.
16th May 2026Fits perfectly. Definitely worth getting. Fits perfectly. Definitely worth getting. -
Joe L.
10th Apr 2026Does exactly what it's supposed to and I can use my old blue CO2 tanks with my new Terra SodaStream machine Does exactly what it's supposed to and I can use my old blue CO2 tanks with my new Terra SodaStream machine -
Ann-sofie E.
31st Mar 2026Fast and secure delivery Fast and secure delivery -
Paul J.
7th Mar 2026It fits perfectly, with no leaks, and works exactly as it should. It fits perfectly, with no leaks, and works exactly as it should. -
Thomas C.
17th Jan 2026Fast delivery and works perfectly! Fast delivery and works perfectly!
