SodaStream Flavoured Drinks

The Verdict

Is This the End of Your Can-Buying Habit? A Deep Dive into SodaStream Syrups

You’re here because you’re either tired of hauling 12-packs from the grocery store, or you already own a SodaStream and are wondering if the official syrups are worth the shelf space. The short answer is yes, but with a few specific caveats that most reviews gloss over.

As a coffee and beverage gear enthusiast, I look at this not just as a “soda replacement,” but as a system. The flavoring is the make-or-break component of that system. Let’s get into the real-world performance of these concentrates.

What You Actually Get

You’re not buying a single bottle here; you’re buying into a system. The product listing covers the range of SodaStream’s official syrups, typically sold in 500ml (16.9 fl oz) PET plastic bottles. Each bottle is designed to yield roughly 9 liters of finished soda when carbonated per the manufacturer’s specs.

The lineup includes the usual suspects: Classic Cola, Diet Cola, Ginger Ale, Tonic Water, and various fruit flavors like Pink Grapefruit and Orange Mango. The “Zero” variants are the big sellers here, as they use sucralose rather than aspartame, which is a significant plus for those sensitive to the latter’s aftertaste.

Performance and Real-World Use

The most critical piece of advice I can give you: Do not follow the pour lines on the bottle cap at first. The included measuring cap is designed for a “standard” fizz level. If you carbonate your water to a higher level (which most enthusiasts do), the syrup ratio feels weak and watery.

Here is the calibration trick I use:

1. Carbonate first, then add syrup. If you add syrup before carbonating, you’ll get a volcano of foam. Always fizz the water, then pour the syrup.
2. Start with 1/4 inch less syrup than the cap line. The standard line is calibrated for a 1:12 ratio. If you prefer a bolder flavor, bump it up slightly. The flavor intensity is where most of the 4.3-star ratings dip to 3-stars—it’s not the taste that’s the issue, it’s the ratio.

When you get the ratio right, the carbonation holds up surprisingly well. Unlike cheaper generic syrups that go flat in 10 minutes, the SodaStream formula holds its fizz for a solid 30-45 minutes in a glass, and keeps overnight in a sealed bottle if you’re making a 1-liter batch.

What Buyers Are Consistently Praising

The bulk of the 215 ratings are overwhelmingly positive, and the comments echo a few specific themes. One buyer noted, “I haven’t bought a can of soda in three months. The upfront cost hurts, but the long-term savings are undeniable.” This aligns with the math—a 500ml bottle of syrup produces the equivalent of about 24 cans of soda for roughly the price of 4-6 cans, depending on sales.

Another consistent point of praise is the Diet Cola flavor specifically. Users frequently mention it has a “crisper” taste than the regular cola and lacks the metallic bite that cheap diet sodas have.

Where It Falls Short (The Honest Truth)

Let’s be blunt about the downsides.

• The Cola Aftertaste: The Classic Cola is good, but you will taste the difference. It lacks the sharp, acidic bite of the name-brand stuff. It’s sweeter and has a slight “candy” flavor profile. If you are a die-hard Coca-Cola or Pepsi loyalist, you will be disappointed. If you just like fizzy, sweet drinks, you’ll be fine.
• The “Tonic Water” is a Letdown: If you buy this for gin and tonics, skip it. The tonic syrup lacks the bitter quinine kick that defines a proper G&T. It’s more like a sweet lemon-lime soda. Buy a separate tonic concentrate for cocktails.
• Shelf Life After Opening: Once opened, the flavor degrades noticeably after about 3-4 weeks. If you drink a liter a day, you’ll blow through a bottle in 9 days, so this isn’t an issue. But if you’re buying multiple flavors to “have on hand,” you might find the last few drinks taste flat and slightly medicinal.

Who Should Buy This?

• The Eco-Conscious Consumer: If you are drowning in plastic bottles and aluminum cans, this is a no-brainer. It cuts your waste by about 90%.
• The Casual Soda Drinker: If you drink 1-2 sodas a day, the money saved over a year is substantial (easily $300+).
• The “Fizz Addict” with a SodaStream: If you already own the machine and haven’t bought syrups yet, stop using the off-brand stuff. The official SodaStream syrups dissolve better and don’t leave that gritty residue at the bottom of the bottle.

FAQ: 3 Questions Shoppers Ask

Q: How much syrup do I actually use per liter? A: The cap suggests a specific fill line, but expect to use slightly less than that for a balanced taste. Start with the line, taste it, and adjust. It’s easier to add more than to dilute a too-sweet batch.

Q: Can I use these in my older SodaStream model? A: Yes. The syrup works with all SodaStream models, from the Jet to the Terra. The carbonation level of your machine dictates the fizz, but the syrup is universal.

Q: Is the “Zero Sugar” version actually good? A: Yes, it’s actually the better of the two. It uses sucralose, which has a cleaner finish than aspartame. It still has a slight artificial sweetener tang, but it’s significantly better than most diet sodas on the market.

The Verdict

Rating: 4.2/5

Buy it if: You want to save money, reduce waste, and enjoy a fizzy beverage without the heavy sugar content of commercial sodas. The Zero-Sugar variants are the standout performers here.

Skip it if: You expect a 1:1 clone of Coca-Cola or Pepsi. The flavor is a “soda-like” cousin, not a twin. Also, skip it if you primarily want a tonic water for cocktails—you’ll be disappointed.

The SodaStream flavored syrups are a solid upgrade to your kitchen setup. They aren’t perfect, but the combination of cost savings and convenience makes them the default choice for anyone who owns the machine. Just remember to calibrate your pour and stick to the Diet/Zero line for the best results.