19 Places To Refill or Buy CO2 Tanks Near Me and Online

Where can I buy CO2? It’s a commonly asked question among frugal consumers who need to sustain their freshwater aquariums with live plants or keep their SodaStream machines or hydroponics equipment going. 

If you love home brewing, you’ll also need to know where to buy a CO2 tank for a kegerator or where to get a kegerator CO2 refill nearby. Carbon dioxide also comes in handy for paintball gun cartridges, CO2 welding tanks, and tire inflation. 

You see! It has many home applications. That’s why many people want to know where to buy CO2 tanks and have them refilled when they run out.

You’ll need to find a reliable place where you can get CO2 services. It leads us to the question:

Where can you buy and refill CO2 tanks near me?

Short Answer: Ace Hardware, Airgas, Dick’s Sporting Goods, Blain’s Farm & Fleet, REI, and Walmart are great places to buy and refill CO2 tanks nearby, both online and in-store. If you’re looking to buy empty gas cylinders, you can easily do so online from the comfort of your home. The top places to buy CO2 tanks online include Amazon, Gas Cylinder Source, Rapids, Wholesale Equipment, and Keg Outlet.

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Other places to buy CO2 tanks and access refilling services near me include welding gas supply stores, dry ice suppliers, brewing supply stores, home improvement stores, fire protection equipment suppliers, pet stores, and sporting goods stores in your area.

Some places offer pre-sized cartridges for paintball and SodaStream machines, while others sell canisters in different sizes.

How to Choose the Best Place to Buy CO2 Tanks and Cylinders?

Well, it boils down to your needs and tank size. Airgas will be an excellent place for you if you want a place to buy and fill or refill CO2 tanks in-store. Dick’s Sporting Goods is your go-to place if you are looking to buy or refill smaller CO2 tanks and cartridges. 

If you want to buy large CO2 tanks without refilling them, consider buying online at Amazon. Only smaller cartridges bought online come pre-filled. For safety, the law prohibits the shipping of pre-filled large gas cylinders.

We discuss each of these places below so that you can make an informed decision on where to buy and refill CO2 tanks nearby. Keep reading to learn more.

Stores That Sell and Refill CO2 Tanks Near Me

The easiest way to get your CO2 tank and cartridges refilled is to look for nearby stores that offer CO2 services, including:

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1. Ace Hardware

Ace hardware has been in the home improvement game for over 90 years. It’s the world’s largest hardware retail co-op and the second-largest dealer-owned cooperation in the US. Ace has over 5,200 local hardware stores in all 50 states. In addition, they likely offer paintball CO2 tank refills near me.

Thus, Ace hardware is a great place to buy CO2 for your gas-powered gun. In addition, they offer 12-gram paintball cartridge refills in-store. A tank refill costs between $5-$22, depending on the size of the cartridge. You can buy in-store or online through the Ace Hardware website.

Cylinder Sizes: 12-gram pre-filled cartridge for a gas-powered gun
Ways to Buy: In-store and online
Tank Refill Cost: $5-$22, depending on size
In-Store CO2 refills: Yes

Find a nearby Ace Hardware to buy pre-filled paintball cylinders.

2. Airgas

Airgas is a top supplier of industrial, medical, and specialty gases, including carbon dioxide. They have nearly 900 locations in the United States, most of which are in California, Texas, and Florida.

Their stores are not only great places where to buy tanks but also offer CO2 cylinder refills. You can buy small and large CO2 tanks from 10lb to 60lb or larger, and have them refilled upon purchase at the store.

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Empty tank prices range from $100-$500, but refills start at around $12-$50 and above for large CO2 tanks. You can visit a nearby Airgas location to make the purchase or buy on the Airgas website.

Cylinder Sizes: 5lb, 10lb, 20lb, 35lb, 40lb,  55lb, 60lb unfilled. You can refill the CO2 tank inside the store. 
Ways to Buy: In-store and online
Tank Refill Cost: Tank refills cost about $15 for a small 5lb tank exchange. But larger tanks cost between $12-$50+ for larger refills
In-Store CO2 refills: Yes

Call a nearby Airgas for a 20lb CO2 tank refill cost. 

3. Dick’s Sporting Goods

Dick’s Sporting Goods is the largest sporting goods retailer in the US. They have over 854 stores across the country that carry sporting goods, including paintball accessories to fitness workout equipment like the best recumbent exercise bikes.

So if you want to get CO2 cartridges refilled, a Dick’s Sporting Goods location down the street is convenient. Mainly, their stores sell and provide 12-oz and 20-oz CO2 tanks and cartridges refill for about $4 and $5, respectively. But if you purchase an empty tank online or in-store, you’ll have it filled for free the first time. Unfortunately, though, Dick’s doesn’t refill larger tank sizes.

To save money, you can also sign up for their “Aim for Five” program to get every fifth tank refill free.

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Frugal Reality Note: Dick’s Sporting Goods stores are rolling back firearms and ammunition sales. Thus, some of its locations may no longer provide CO2 tanks and cartridge refill services. To avoid guesswork, contact your location to confirm the inventory and services offered. 

Tank Sizes: Sell 20-ounce paintball tanks but refill up to 24 ounces.
Ways to Buy: In-store and online
Tank Cost: It costs around $30 to refill a 20-ounce tank, but you’ll get a free fill if you purchased it in-store or online. You’ll get a better deal at Dick’s Sporting Goods by signing up for the “Aim for Five” program and get every fifth tank refill for free. 
In-Store CO2 refills: Yes

Visit a nearby Dick’s Sporting Goods to refill a 20-ounce CO2 paintball cartridge. 

4. Farm & Fleet

Based in Wisconsin, Blain’s Farm & Fleet is a regional chain of about 44 stores located in Illinois, Wisconsin, Michigan, and Iowa. It sells tires, agricultural supplies, sporting goods, tools, automotive goods, pumps, generators, etc.

If you live in any of these states, Blain’s Farm & Fleet stores are great places to refill 2-18 liter diving tanks. They refill 12-grams to 88 grams and 20 cu ft to 125 cu ft cylinder sizes. The costs in-store and online range from $5-$390, depending on cylinder size.

Cylinder Sizes: 12-grams, 88 grams, 20 cu ft, 40 cu ft, 80 cu ft, 125 cu ft
Ways to Buy: In-store and online, depending on the item
Tank Refill Cost: $5-$390, depending on size
In-Store CO2 refills: No

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Find a nearby Farm & Fleet for a CO2 tank for diving.

See our related article on ways to get free air for tires near me.

5. REI

Recreational Equipment, famously known as REI, offers outdoor recreational services and sporting goods. It has about 165 retail stores in 39 states that carry sporting goods, travel equipment, and clothing. 

REI is also a great place to get a smaller CO2 cylinder refill nearby. They offer 16-gram to 38-gram pre-filled cartridges, ranging from $4-$19, depending on tank size and brand.

Tank Sizes: 16-grams, 20-grams, 24-grams, 38-grams pre-filled cartridges
Ways to Buy: In-store and online
Cartridge Cost: $4-$19, depending on size
In-Store CO2 refills: No

Visit a nearby REI to buy a CO2 bike inflator cartridge. 

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6. Walmart

Walmart is the largest brick-and-mortar retailer in the United States. There are nearly 5,000 Walmart locations across all 50 states. Its stores are presumed as places where you can get almost everything.

People visit Walmart stores to purchase some of the cheapest foods on a budget, buy stamps, access cheap wheel alignment services, or cash checks at odd hours.

Whether you want to exchange empty old SodaStream cylinders or paintball cartridges for refills, Walmart is a great place to get CO2 refill services nearby. They sell 8-gram to 90-gram tank sizes. You can also exchange 20-ounce tanks for paintball cartridges and 60-liter SodaStream cylinders. The costs range between $13-$30, depending on its size.

However, Walmart does not fill CO2 tanks in-store because they don’t have the equipment. Instead, bring your old cartridge in exchange for a new one. You’ll only pay for the CO2 in the cartridge vs. paying for the cylinder.

Tank Sizes: Sells 8-gram, 12-gram, 90-gram, 60-liter SodaStream cylinder, and 20-ounce tank for paintball guns.
Ways to Buy: In-store and online
Cartridge Cost: It costs between $13-$30, depending on the size
In-Store CO2 refills: No

Visit a nearby Walmart to buy a SodaStream exchange cylinder. 

Online Stores That Sell Prefilled CO2 Tanks & Cylinders

Things have become more accessible in the digital age. For example, you can have everything delivered to your doorstep without the need to leave home.

Can such convenience be extended to CO2 tank refills? Absolutely!

There are online stores that sell pre-filled CO2 tanks & cylinders. So if you don’t feel like driving to the nearby 24-hour store, you don’t have to. Instead, use your smartphone and make the purchase online.

However, there’s a tradeoff. Such convenience comes at increased delivery time and extra delivery fees. That’s because gas products are restricted to ground-only shipping, and most stores only ship to the 48 contiguous states.

Here’s a list of top online stores that sell pre-filled CO2 tanks and cylinders:

7. Amazon

The eCommerce debate starts and ends with Amazon. The online retailer is known as a place where you can buy almost anything. Millions of Americans use its expedited delivery timelines with Amazon Prime.

You’ll find unfilled CO2 tanks of various sizes listed on Amazon, from 20-oz to 50 pounds. In addition, Paintball CO2 cartridges and SodaStream 60 liter tanks are also available. The costs range from $7 to $270, depending on size and brand.

Tank Sizes: 12-gram cartridges in bulk, 16-gram, 25-gram bike pump CO2 inflator, 60-liter exchange carbonator
Ways to Buy: Online
Cartridge Cost: It costs between $7-$65, depending on the size
In-Store CO2 refills: No

Visit Amazon to get CO2 cartridges for paintball or bicycle tire inflation. 

8. Keg Outlet

Keg Outlet is an online retailer specializing in home brewing kegging supplies, kegging equipment, and keg accessories. They also carry CO2 tanks and gas cylinders. Thus, Keg Outlet is a great place to buy a CO2 tank for a kegerator for your homebrewing needs.

Keg Outlet sells CO2 tanks in different sizes, from 20-oz paintball cylinders and 1.5lb aluminum tanks to big 20lb aluminum gas cylinders. So you’re likely to get a small or large size CO2 tank that will fit your needs. Most of their CO2 tanks are aluminum, but they also sell 20-oz and 4lb steel CO2 gas cylinders.

Empty tanks cost about $55 to $400, depending on the size, but small pre-filled cartridges cost about $10 to $13.

Cartridge and Tank Sizes: 8-gram, 16-gram, 1.5-pound, 2.5-pound, 5-pound, 10-pound, 20-pound, 35-pound, 50-pound
Ways to Buy: Online
Tank Cost: It costs between $10-$450, depending on the size

Visit Keg Outlet to buy a CO2 tank for home brewing. 

9. Gas Cylinder Source

Gas Cylinder Source is a great online place to buy gas cylinders, valves, fire suppression equipment, cylinder parts and accessories, and other specialty kits and equipment like helium balloon kits, industrial sprayers, and SodaStream bottles.

They sell both aluminum and steel CO2 cylinders and cartridges from 2.5lb to 50 pounds. Tanks costs start at $50-$385 depending on size.

Cartridge and Tank Sizes: 2.5-pound, 4-pound, 5-pound, 10-pound, 20-pound, 35-pound, 50-pound
Ways to Buy: Online
Tank Cost: It costs between $50-$385, depending on the size

Visit Gas Cylinder Source to buy CO2 tanks for planted tanks. 

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10. Rapids Wholesale Equipment

There’s no shortage of items to buy online at Rapids Wholesale Equipment, from beer supplies and commercial refrigeration equipment to kitchen equipment.

Cartridge and Tank Sizes: 2.5-pound, 5-pound, 10-pound, 20-pound
Ways to Buy: Online
Tank Cost: It costs between $70-$140, depending on the size

Visit Rapids Wholesale Equipment to buy a CO2 tank for a kegerator.

Other Places To Buy CO2 Tanks and Refilling Near Me

If any of the above places doesn’t work for you, you can look into other options. For example, a Google search of “places to buy CO2 tanks and refilling near me” will provide you a local list of independent businesses. Once you find a suitable place, click the link to get details like contact, direction, and store location.

Here are some of the top places to buy CO2 tanks near me, including:

11. Welding Gas Supply Store

Welding gas supply stores are great places to get a CO2 refill near me. For example, Minneapolis Oxygen Company, Praxair Welding Gas and Supply Store, Toll Gas & Welding Supply, Huber Supply Company offer CO2 tank exchange.

12. Dry Ice Supplier

Get your kegerator CO2 tank refill at a nearby dry ice supplier. Also, buying dry ice sales have skyrocketed during COVID to keep vaccines cold; you’re likely to find a local distributor. For example, Central McGowan Beverage Carbonation & Dry is a top place to get CO2 tanks refilling near me.

13. Brewing Supply Store

Homebrewing has become increasingly popular. As a result, there are brewing supply stores in most metro areas. Use the American Homebrewers Association directory to find a nearby homebrew shop. For example, Northern Brewer and Beer Meister offer CO2 tank exchange.

14. Home Improvement Store

Local Home improvement stores offer great alternatives where to buy CO2 tanks or get CO2 bottle refills. According to IBIS World, there are around 4,300 home improvement stores in the US. For example, Tractor Supply Company, Home Depot sells CO2 tanks and refill cartridges for carbonated soda. 

15. Fire Protection Equipment Supplier 

Visit the National Association of Fire Equipment Distributors to find fire protection industry suppliers near you. The directory also includes fire protection installers, service companies, and manufacturers. For example, Jefferson Fire & Safety will refill CO2 tanks.

16. Electronics Stores

Some electronic stores double as places to buy SodaStream bottles, refill CO2 tanks, and access other CO2 services. According to IBIS World, there are over 32,000 consumer electronics stores in the US. For example, Best Buy sells SodaStream 60L exchange carbonators.

When buying stuff from a retailer like Best Buy, consider reading our guide on the best online coupon sites to save additional money.

17. Food Products Supplier

Don’t ignore food products suppliers in your area. Some places offer CO2 refill services, for example, NFC Company.

18. Pet Store

You can buy CO2 disposable cartridges at pet stores in your area, such as Petco and PetSmart. 

19. Sporting Goods Store

Sporting goods stores are great places to buy and refill cartridges and CO2 tanks for paintball gear, such as SCHEELS.

See this video on where to fill your paintball air tanks with CO2:

Buy CO2 Tanks Near Me and Online Summary

Carbon dioxide has many home applications. For example, some consumers use it for home brewing purposes. In contrast, others need to buy and refill CO2 tanks and cartridges for paintball, bike inflations, SodaStream machines, or aquarium or hydroponics equipment.

Whatever your needs, you’ll need a reliable place where you can buy or refill your CO2 tanks without breaking the bank.

If you want to buy, refill, or exchange your CO2 tank or cartridges, a place like Walmart, Airgas, or Dick’s Sporting Goods offers CO2 services. On the other hand, buying online allows you to buy empty CO2 tanks and refill them elsewhere. 

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