Carbon dioxide, or CO2, has many different uses.
To maintain any of these things, you will need a regular supply of CO2.
Short answer: You can buy and refill CO2 tanks at many national retailers like Walmart, ACE Hardware, and Airgas. Other places to get CO2 tanks near you include local brewing supply stores, dry ice suppliers, and sporting goods stores. CO2 tanks can also be purchased online at stores like Amazon and Gas Cylinder Source.
CO2 is available in small cartridges and large tanks.
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So, some places will offer pre-sized cartridges for things like paintball and SodaStream machines, while other places will sell canisters in different sizes.
Online, only smaller cartridges come pre-filled. You can purchase large empty tanks online.
Below, I’ll cover places where you can refill and purchase CO2 tanks near you.
Stores that Sell & Refill CO2 Tanks Near Me
The easiest way to get your CO2 tank and cartridges refilled is to look for nearby stores that provide this service. Some well-known chains will refill tanks and cartridges.
Please note that although these stores are known to provide CO2 refills, it’s always a good idea to call your nearest store to find out if they offer the service at that specific location.
Here are some places where you can get a CO2 refill near you:
Note: Prices may have changed since we originally published this post. Regardless, these are still the best places to refill or buy CO2 tanks.
1. ACE Hardware
There are more than 4,200 ACE Hardware stores in the United States, so you likely have a store near you.
- Sizes: 12-gram prefilled cylinders for paintball
- Cost: $5 to $22 depending on brand and quantity
- Availability: In-store and online (select products)
- In-store refills: No
2. Airgas
Airgas has a network of more than 900 retail branches.
- Sizes: Five-pound, 10-pound, 20-pound, 35-pound, 40-pound, 55-pound, 60-pound, and larger tanks (These are unfilled, but you can fill them when you purchase them at the store).
- Cost: Tanks can cost $100 to $500 or more for larger sizes. Tank refills cost about $15 for a five-pound tank exchange, and between $12 and $50 or more for larger refills.
- Availability: In-store and online.
- In-store refills: Yes
3. DICK’S Sporting Goods
DICK’S Sporting Goods has 761 locations throughout the United States. It used to provide CO2 refills and sell tanks at most stores, but now, only select locations do. It’s important to call your local store to see if it provides refills or sells CO2 tanks at that particular location.
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- Sizes: 12-ounce and 20-ounce tanks and cartridges. It provides a CO2 tank refill of up to 24 ounces.
- Cost: A 20-ounce tank costs $30, and you can have it filled for free when you purchase it in-store or online with proof of purchase. Tank refills cost $3.50 for a 12-ounce tank and $4.50 for a 20-ounce tank. With the company’s “Aim for Five” program, you can get every 5th CO2 refill for free.
- Availability: In-store and online
- In-store refills: Yes
4. Blain’s Farm & Fleet
Blain’s Farm & Fleet has 43 retail stores in Wisconsin, Illinois, Iowa, and Michigan.
- Sizes: 12-grams, 88-grams, 20 cubic-feet, 40 cu ft, 80 cu ft, and 125 cu ft
- Cost: $5 to $390, depending on the size.
- Availability: In-store and online (select items).
- In-store refills: No
5. REI
There are 174 REI locations in 41 states and the District of Columbia.
- Sizes: 16-grams, 20-grams, 24-grams, and 38-grams pre-filled cartridges.
- Cost: $3 to $19, depending on the brand and size.
- Availability: In-store and online
- In-store refills: No
6. Walmart
There are 4,743 Walmart stores throughout the United States.
While Walmart does not fill CO2 tanks in-store, since it doesn’t have the equipment, you can bring your old cartridge in exchange for a new one. You will only need to pay for the CO2 in the cartridge, rather than paying for the cylinder.
- Sizes: 8-gram, 12-gram, 90-gram, 60-liter SodaStream cylinder, and 20-ounce tank for paintball guns.
- Cost: $13 to $30 depending on the size.
- Availability: In-store and online
- In-store refills: No
Other Places to Buy & Refill CO2 Tanks Near Me
If the above places don’t work for you, then you’ll be happy to know that there are other options. There are local, independent businesses that provide CO2 tanks and refills. Typically, it costs around $10 to $20 for refills, but the cost can be more or less than that depending on the size of the tank.
Some stores will sell empty tanks, some will refill your tank, and others will only offer tank exchanges.
Again, that’s why you should call your local store to find out what services it offers.
7. Homebrew supply store
Homebrewing stores are a great option because some will offer CO2 tank exchanges. You can use the American Homebrewers Association directory to find a homebrew shop near you. Or, you can simply open up Google and search the term, “Homebrew supply store near me”
8. Dry ice supplier
Some dry ice suppliers may provide a CO2 tank refill. Simply search for “Dry ice supplier near me,” on Google, and then get in touch with local companies to see if it offers CO2 tank refills.
9. Electronics stores
Some electronics places also sell SodaStream bottles, refill CO2 tanks, and offer other CO2 services. Best Buy for example sells SodaStream 60-liter exchange carbonators.
Again, a quick Google search can give you a list of electronics stores nearby. Get in touch to ask if they provide CO2 services.
10. Fire protection equipment supplier
Some fire protection equipment suppliers will refill CO2 tanks. You can visit the National Association of Fire Equipment Distributors to find fire protection equipment suppliers near you. Or you can search on Google. Get in touch to ask if they provide CO2 refills.
11. Food products supplier
Some food product suppliers will offer CO2 refill services. Simply do a Google search for, “Food products suppliers near me” and you should get plenty of results.
12. Home improvement store
Some local home improvement stores sell CO2 tanks and offer CO2 refills. Just do a Google search for the term “Home improvement store near me,” and get in touch with stores to see if they provide tanks and refills.
13. Hydroponics stores
Since CO2 is often used in hydroponics, some hydroponics stores will provide C02 tanks and refills. Simply do a Google search for, “Hydroponics store near me,” and then get in touch with local stores to ask about their CO2 services.
14. Paintball stores and paintball fields
Since CO2 cartridges are used in paintball, a good place to get refills can be at paintball stores and paintball fields. Just search for, “Paintball stores near me,” or “Paintball fields near me,” and then get in touch with local places to ask if they provide CO2 refills.
15. Pet supply stores
Some pet stores sell CO2 disposable cartridges. Search Google for the phrase, “Pet supply stores near me,” and you should get plenty of results. Get in touch with local stores to see ask about their CO2 products and services.
16. Sporting goods store
If you are looking to buy and refill cartridges for paintball, then sporting goods stores are a good option. Again, just do a quick Google search for the term, “Sporting goods store near me,” and you’ll get plenty of results.
17. Welding gas supply stores
Welding gas supply stores are another good option for CO2 refills. Just search Google for, “Welding gas supply stores near me,” and get in touch with places near you to ask if they sell and refill CO2.
Online Stores that Sell CO2 Tanks
There are many places where you can purchase tanks online.
Perhaps you can’t get to the store or no store near you sells CO2 tanks?
If so, it can be a good option to buy stuff online.
There are a few places where you can purchase CO2 tanks online:
18. Amazon
Amazon sells pretty much everything, so it makes total sense that you can buy CO2 tanks there.
You’ll find unfilled tanks of various sizes on Amazon, and you can also get paintball CO2 cartridges and SodaStream tanks on there as well.
- Sizes: Unfilled CO2 tanks of various sizes, from 20 ounces to 50 pounds. SodaStream 60-liter tanks, and paintball CO2 cartridges.
- Cost: $7 to $270, depending on the size and brand.
19. Gas Cylinder Source
Gas Cylinder Source offers CO2 cylinders and cartridges.
- Sizes:5 pounds to 50 pounds.
- Cost: $30 to $385 depending on the size.
20. Keg Outlet
Keg Outlet is an online retailer that specializes in home brewing supplies.
It’s a great place to purchase a CO2 tank for a kegerator for homebrewing.
- Sizes: Tanks that range from 1.5 pounds to 50 pounds.
- Cost: $10 to $13 for cartridges. $55 to $400 for tanks.
21. Rapids Wholesale
Rapids Wholesale is another place to buy CO2 online.
- Sizes: 5-pound, 5-pound, 10-pound, and 20-pound.
- Cost: $59 to $140 depending on the size.
Closing Thoughts
CO2 has many uses in many activities, such as home brewing, paintball, and hydroponics, and it’s used in SodaStream machines.
Whatever you need it for, it’s good to know that there are lots of places to get carbon dioxide.
If you want to buy, refill, or exchange your CO2 tank or cartridges, then you can try well-known retailers like DICK’S Sporting Goods or Walmart. Or, you can try local places, like paintball stores, and welding gas supply stores.
On sites like Amazon, you can purchase CO2 tanks and cartridges.
Online, you can purchase empty CO2 tanks and refill them elsewhere, so that can be a good option as well.
Give the places on our list a try!
