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CGA320 CO2 Cylinder Refill Adapter Hose, CO2 Refill Station Connector Kit for Filling Blue Soda-maker Tank(CGA320 to TR21-4, Dual Valve with Gauge)(Optional Length)
Hose Length: 24 inch, 36 inch (Optional) Working pressure: 3000 PSI
Precaution
If the vial thimble is too thick and short to be inflated,
the hose will expand,
please replace the thin thimble bottle.
Fits soda stream tank thread: TR21-4. Not compatible with paintball tanks and quick-connected bottles.
Before the inflation process, please put your small soda cylinders in the freezer to cool. Ensure that the small cylinder can flush more carbon dioxide.
Nicole Permenter
2025-08-16 15:05:21
I have used this twice already. Enough time goes between actually using it. I can't keep the sequence straight. So, I have kept the instructions for just that reason. It works well if the steps are followed correctly. I have experience no leaks from any of the connections. It was a perfect for for my 5lb co2 canister I bought on Amazon and the canister that comes with my soda stream device. I pay less than $25 for 5lbs of co2. Which is almost 6 - 14 oz canisters. Which would have cost about $96. Pays for itself in less than 1 - 5lb fill up.
ccpanel
2025-08-15 11:58:44
I got a 20 pound? Regular old school soda cylinder from a storage and had it filled at my local placeWorked like a charmGoogle how to use it
Lumberjack Brian
2025-08-08 13:29:21
After years of Soda Stream use, I finally pulled the trigger and bought a 10lb. tank and the Adapter hose.The tank was $110.00 plus $30.00 to fill.The instructions are fairly clear.At my first attempt to fill empties, I was only able to get around 10 oz. of CO2 in the cylinder. I suppose it's ultimately irrelevant, as I'm only paying for what goes in (unlike a paid exchange).Based on my usage of around 1 cylinder every 2 months, the investment will pay for itself in under 2 years, and then I'll be saving around $90.00 plus per year after that.Add the savings to the convenience and it's a no brainer.Frankly, had I done this years ago I would have saved lots more money on exchanges and extra cylinders (I have 4), but it's soda water under the bridge...
dbadoug
2025-07-21 17:38:02
I was only able to fill a 130l Sodastream about 1/3 full, once! The second time I tried it, using a different bottle, I could only get that bottle about 1/4. I'm using a digital scale and following the instructions. I even bought and tried using the replacement valves sold on Amazon.The plastic part that the hose connect to now just spews gas out, can't even partially fill a bottle.I see no way to contact the seller to complain; the web page says they will warrant it for a year but has no contact method.If I hadn't spent a lot to buy a big cylinder full of co2 gas, I would just go back to buying the profilled bottles. This just is not worth it!
TimboE
2025-07-12 14:25:44
Be sure you know which sodastream cylinders you need to fill, this is for the threaded (blue)model NOT QUICK CONNECT cylinders (pink). Between the other comments and the product video, this makes it pretty straightforward to refill the small cylinders. I found that freezing the cylinder after the fill will compress the gas enough to fit another 100-150g, but I still fall short of the 1250g they say a full cylinder should weigh. I’ve typically been able to get 300g into the cylinder and not the 400g+ but it doesnt matter much to me since I refill as needed now.
Brian
2025-06-12 16:54:54
Let's me refill my SodaSense tanks at a local brewing supply shop for a few bucks
Kingfam
2025-05-26 14:55:58
I originally had the other “non pipe†bottle refillers and that was very hard to get right. It had no control over the flow into the co2 cylinder.This one is super easy. You screw the thing onto the bottle and it has a knob to slowly open the check valve. This is critical because it gives you control over when and how you are ready to fill and minimizes the “shoosh!†of co2 coming out the sides. Unlike the other one I had which was just on/off…. Lots of “shoosh†with that one.So yeah. Whoever designed this product put a lot of thought into it. Its design is elegant and minimizes the chance of co2 shooshing everywhere. If you are looking to fill sodastream bottles don’t bother with the other type of apparatus. You really want this one.
Andrew Newman
2025-04-27 15:02:34
This product is high quality and works exactly as advertised. The instructions are a bit slim so I thought I'd walk folks through it1) If you have a bulk industrial gas supplier they will "rent" you a tank that you just bring back when empty to swap for a full one. After the deposit you just pay for the gas. The larger the tank the cheaper the CO2 is per weight but the more expensive the deposit is. The label should read "food grade" CO2.2. Unless the tank has a siphon tube in it, you will have to turn the tank upside down to fill the Sodastream cylinder. The larger the tank the more awkward this will be. Also you need to assure that there is no chance the tank will slip and the top valve will snap off. This is EXTREMELY dangerous. Use common sense.3. Modern Sodastream cylinders are designed to be difficult to fill by consumers. Sodastream doesn't want you to do this and they make it hard. The valve will close internally if too much pressure is applied when filling it. When opening the main 1/4 turn valve handle, open *slowly* until you just start to hear the hiss. Weigh the empty sodastream cylinder before and after. The small ones hold a maximum of 453g of CO2. I can usually get between 400-420g in if I freeze the cylinder overnight.
Melbychick
2025-04-06 13:46:31
This adapter is for American CO2 cylinders. Why is it offered for sale in UK I have no idea??It’s does say check so it’s on me. Also note all the reviews are American.Missed the return date so thanks very much.
Combat Wombat
2024-12-14 15:31:46
Got this because it 'refills SodaStream bottles'. Unfortunately it doesn't fit SodaStream bottles, so it's hard to say its worth even 1 star.
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