Best Seltzer Chargers of 2026

"I've used these CO2 chargers with my seltzer maker, and I'm impressed by the quality and the savings—I get the same results as the pricier brands for a fraction of the cost. Smaller bubbles and great taste make this a repeat buy for me."

"After struggling to find local cartridge exchanges, I switched to these and the convenience can't be beat. The seltzer turns out just right, and the only tricky part is making sure you get the best price online."

"My order arrived earlier than expected and the chargers performed exactly as advertised. No complaints at all—will definitely reorder when I run out!"

"I was really pleased with these cartridges—they fit my Soda Pop device perfectly and didn't leave any aftertaste in my drinks. I’ll definitely consider ordering again."

"These cartridges work great in my old ISI Twist and Sparkle, but I do wish they were a bit more affordable as they’re about a dollar each."

"After using these for homemade whipped cream, I noticed a distinct metallic taste that wasn’t present with my ingredients alone. I suspect it’s something in the cartridge manufacturing and wouldn’t recommend them for any edible use."

"I used these in my siphon and they worked amazingly well for adding carbonation to fruit. It was a huge success and everyone loved it!"

"These cartridges are perfect for my ISI siphon and deliver just the right amount of gas. While they might be a bit pricier, the quality is top-notch."

"I appreciate that this product is easy to use and consistently high quality. It really takes any drink to the next level—cheers!"

"I've been using these CO2 canisters for my sparkling water and they always deliver great quality at an affordable price. The cartridges are simple to use and fit my soda maker perfectly. I haven't noticed any odd taste or smell in the water, just pure bubbles every time."

"After thousands of uses over 10 years, I can say this product is extremely reliable and dependable. I keep coming back because the performance never disappoints and I get a solid value every time."

"Using these cartridges in my Byrna SD, I get about 24 shots per canister—just as good as the original but at a much lower cost. The only thing to note is that I have to do the cleaning myself, but it's a small tradeoff for the savings."

"I picked up these cartridges because the price was unbeatable and they deliver just as well as the manufacturer’s brand. Excellent value and compatibility with my Asfolia seltzer bottle."

"I was looking for replacements for my Kleer Drain Plunger, and these fit perfectly. They work flawlessly, though I had to make my own paper disks. Still, they save me a ton of hassle with my tricky toilet!"

"I wanted an affordable alternative to the Byrna CO2 cartridges, and these exceeded my expectations. I got more shots and stronger performance out of my Byrna SD. Definitely a smart buy!"

"I picked these chargers because of the quick delivery, budget-friendly price, and solid quality. They work well for my needs!"

"I used these thinking they were for my whipped cream dispenser, but ended up with carbonated whipped cream—definitely a unique experience!"

"Each cartridge works for about 15 oz of water, but I wish there were more bubbles per cartridge unless I use it very tightly."

"I've found these cartridges to be an outstanding value—they fit both my older SodaStream and my Kidde Soda King 100 Fountain Syphon perfectly. The carbonation is consistent and the taste is always clean and fresh. They make homemade sparkling water a breeze and help me save money, too!"

"These are easily our top choice for soda chargers. We're able to make high-quality tonic water at home for a fraction of the retail price—about 50¢ a quart compared to $1.39 in stores. I like being able to control sweetness with my own syrup, and following expert tips for double charging really makes a difference!"

"Tried this brand for the first time, and it’s far superior to Leland. The taste and carbonation are both better, with no off flavors or oiliness. Hoping the quality stays this high in future orders."

"This product does exactly what it's supposed to do. No problems have come up, and I don't expect any in the future."

"Shipping was super quick and my husband is happy to use these with his growler for beer. Really satisfied with the purchase!"

"The cartridges keep my 64oz mini keg pressurized and each one lasts through multiple fills. Just need to make sure everything is screwed on tight to avoid leaks."

"These are reliable CO2 cartridges that do exactly what they're supposed to, with no odd tastes or smells left in the beer. While the price could be a bit lower, I'll keep buying since they're hard to find elsewhere."

"I went with these cartridges because they're food grade and perfectly designed to fit my growler. I've seen cheaper options out there, but these are the right match and keep my beer fresh. A bit pricey, but worth it for peace of mind."

"I always look for the matching brand for my growler, and these cartridges didn't disappoint—good value and reliable performance. The beer stays fresh, though I have to laugh at the idea of a 'flavor' rating for CO2 itself!"

"I've used these for a while and they've been solid for keeping my 64 oz uKeg fresh for weeks. However, I was shocked when the price jumped to nearly $3 per cartridge. The product's still good, but the current pricing feels way too high—I'll be exploring more cost-effective brands."