The 8 Best liquid Co2 tanks (2023 reviews)

Monkemon has been making good-quality tank for years, thanks to a combination of clever design and high-end materials. Modern Sodastream cylinders are designed to be difficult to fill by consumers. The "terra" model uses the Sodastream "pink" cylinders which have a patented "quick connect" valve. This fills the canisters with more CO2 than SodaStream does, allowing you more uses between refills. It works great, if used with a standard co2 tank without siphon tube invert tank when using.

The pressure equalizes between the large tank and the small canister it is full. The adapter is first quality and very well engineered. The valve will close internally if too much pressure is applied when filling it.

Why We Like This:

Super easy to use and install
Stainless steel and 100% solid brass
Co cylinder refill adapter hose（optional length, with pressure gauge

Best For beverage: Vavoger conversion Adapter

Buy on Amazon

For a low asking price, vavoger conversion adapter has managed to overwhelm their customers by packing as many features as they could. This product is designed for use with Terra/Duo/Art soda machines, and is supplied with gas by connecting to a large co2 tank. It opens and closes the valve momentarily. The white washer is for the brass adapter which connects to a 5lb tank. It works great, and it will save you a lot of money.

The valve on the soda stream is plastic & there's no way to tighten it enough to prevent leakage. It's better to close the co2 tank if you don't use it in a whole day. This adapter is strictly for the "terra" model.

Why We Like This:

Much easier than refilling small bottles
Easy to put together, very cost effective and very nicely made
Perfect addition to any home soda maker

Best For Aarke Carbonator: Diyeeni liquid Co2 Tank

Buy on Amazon

Siphon-style tanks are only needed if you want to keep the supply tank upright. Once you master that this (and a CO2 tank) will save you a lot on SS refills. It can be used to refill small co2 tanks from larger co2 tank, with 2 turn on/off valves, convenient to use. The key is to open the valve very, very slowly and your soda stream canister will fill up.

The big co2 bottle should have enough pressure, if it is liquid co2 in the big bottle, invert the big co2 bottle to inflate. It fills better if it is very cold. The Non-Siphon Supply tanks will work on their sides or upside-down to deliver liquid CO. Once you master that this (and a CO2 tank) will save you a lot on SS refills.

Why We Like This:

Works great saving lots of money in refills
Makes for tremendous cost savings in sodastream refill
Good investment for long term

Best With GAS: Vavoger liquid Co2 Tank

Buy on Amazon

The vavoger liquid co2 tank's superior materials makes sure that it ages well with use. This soda maker refill adapter can be used to refill small co2 tanks from larger cga320 thread co2 tank ( 5 lb or 20 lb ), with 2 turn on / off valves and pressure gauge, easy to use. It can work with GAS CO2 only, not liquid CO. The quick disconnect on the soda stream side is extra helpful.

This soda cylinder refill adapter has a double valve for safe, with a pressure gauge to ensure the pressure will not exceed the pressure specification of the small soda co2 tank. The hose disconnected it makes it easy to attach the fitting up inside. The bottle is only 18 inches tall so should be on any normal kitchen counter. It's made in China, and it can help you to save money on soda co2 cylinder refill.

Why We Like This:

Good adapter to use your own co2 cylinders with a sodastream
Lot of satisfied buyers

Best With DUO Terra Art Pink Soda Cylinder: Kacenray liquid Co2 Tank

Buy on Amazon

The kacenray liquid co2 tank should be able to handle its purpose and duties with ease. Once it is complete, stop the co2 by turning the handwheel.

Why We Like This:

Delivers what they promise
Good brand reputation

Best For Sparkling Water: Aracoware liquid Co2 Tank

Buy on Amazon

If you often find yourself scrambling for convenient and suitable tank, aracoware liquid co2 tank should be your first option for buying. This external hose can connect from 10lb CO2 tank to soda stream machine. It can connect a large co2 tanks, like 5lb, 20lb or 50lb commercial co2 tanks. The piece that screws into the back of the Sodastream is solid metal. It comes with extra washer for the bottle and o-ring for the quick connect. It allows normal operation without any permanent changes.

The quick release is perfect fastening the hose to the bottle and then just click it into the Sodastream adapter. It can fit the sodastream with one touch, and another interface is to connect the CGA320 CO2 tank.

Why We Like This:

Stainless steel material support high pressure
Solidly made and easy to use
Lot of satisfied buyers

Best For Soda Water: Hpeva liquid Co2 Tank

Buy on Amazon

Hpeva offers a variety of tank for personal choice and yet maintaining quality in all the variants. It fits tr21-4 g1/2 thread soda maker machine at home. It has the advantages of anti-rust, anti-corrosion, wear resistance, anti-aging, not easy to deform, etc. It is polished plating, very strong and beautiful. It can cut the hose length of soda adapter is 36 inch(90cm), and the weight is about 0.88 lb. It is easier & quicker to install on sodastream machine and bottle. It comes with two cushion ring, please use it during installation to prevent air leakage. It is suitable for large co2 storage tanks, like 5lb, 20lb or 50lb commercial co2 tanks.

Why We Like This:

New and hot release
Lot of satisfied buyers

Best For Use: Garosa liquid Co2 Tank

Buy on Amazon

The garosa liquid co2 tank should be able to handle its purpose and duties with ease. It works great if you fill slowly. It is liquid co2 in the big bottle, invert the big co2 bottle to inflate. It is used to refill small co2 tanks from larger co2 tank, with 2 turn on/off valves, convenient to use. It has the advantages of anti-rust, wear resistance, anti-aging, not easy to deform, etc.

The pin type is relatively easy, but button type is easy to push too far and close the bottle. It takes 30 seconds to a minute to fill a 60 liter bottle. This will let you know the correct setting for the plunger.

Why We Like This:

With 2 turn on/off valves, convenient to use
Good investment for long term