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Last updated Tuesday, 20 Oct 2026
| Soda Maker Accessories | Price |
|---|---|
| Isi Co2 Cartridges For Soda Siphons 10-pack | £5.20 |
| Isi Co2 Cartridges For Soda Siphons 10-pack | £5.20 |
| The Hence Bottle | £8.24 |
| Aarke Pet Water Bottle Carbonating Bottle | £31.15 |
| Aarke Enriched Filter Water Filter Cartridge 3 Pc S | £44.03 |
| Coravin Co2 Cartridges For Bubbles 6-pack | £45.80 |
If you love sparkling water, seltzer, or homemade sodas, the small extras you add to your setup can change everything. Accessories for soda makers don’t just add convenience — they improve taste, cut costs, and help you customize every fizzy drink. Think of them like the right lens for a camera: the basic camera works, but the lens you choose transforms the shot. I’ll walk you through the most useful pieces, including the popular bottles and CO2 cylinders you’ll see when comparing options online.
At the heart of every soda maker system are three things: a reusable bottle, a reliable CO2 cylinder, and any adapters or connectors your model needs. Buy the wrong size or type and you’ll be fumbling with leaks or replacing parts sooner than you’d like. Buy the right ones, and you’ll enjoy steady fizz, safer storage, and lower per-drink costs.
One popular pack is a pair of reusable PET bottles packaged for models like the Sparkling Water Maker. Each bottle holds about 34 fluid ounces, so two bottles give you roughly 68 fl oz of ready-to-fizz capacity. These lightweight bottles are designed to click into place easily and fit most entry-level soda makers. If you often make single servings or want to prep a couple of flavors at once, a two-pack is handy.
Glass bottles are a different vibe: they feel heavier, look premium, and don’t absorb flavors the way plastic can. The Duo glass bottle is tailored to certain dual-compatible soda makers and holds about 34 fl oz. It’s perfect when you want sparkling water with no plastic taste or when you’re serving guests and want your drinks to look as good as they taste. Just remember glass is less forgiving if dropped, so treat it like fine drinkware.
An essential spare is the quick-connect CO2 cylinder that’s rated to carbonate roughly 16 gallons of water before it’s empty. Quick-connect models make swaps fast and mess-free, and buying a spare means you’ll never run out of fizz when you need it most. Some cylinders come in different colors or finishes; a pink one adds a playful pop to your countertop while still delivering the same performance.
Choosing plastic or glass comes down to lifestyle and priorities. Plastic bottles are lightweight, durable, and often more affordable. They’re great for active households, picnics, or when kids are around. Glass bottles, on the other hand, offer better taste neutrality and a premium presentation — perfect for dinner parties or when you prefer a more refined drinking experience.
PET bottles are shatter-resistant and lighter to carry, which makes them ideal for everyday use. They’re usually cheaper to replace and are optimized for the pressure that soda makers use. If you want fuss-free carbonation for daily use, plastic bottles are a practical pick. Just be mindful of the manufacturer’s recommended lifespan to avoid safety issues.
Glass doesn’t retain flavors or odors, so you can switch between citrus, berry, or plain carbonated water without any lingering tastes. Glass bottles also look elegant on the table and are often dishwasher-safe. If aesthetics and pure flavor are priorities, a glass bottle is a nice upgrade — but remember to store and handle them carefully.
CO2 cylinders are often rated by how many liters or gallons they can carbonate. In practical terms, a cylinder rated for about 16 gallons means you’ll get many dozens of typical servings out of it, depending on how fizzy you make your drinks. If you love high carbonation, your cylinder will deplete faster than if you prefer a gentle sparkle.
There are two common connection types: quick-connects that click in place, and threaded cylinders that screw in. Quick-connect models are faster to swap, while threaded cylinders can be more universal with certain aftermarket adapters. Always check compatibility with your soda maker before buying spare cylinders or adapters.
You’ll notice slower fizzing and weaker carbonation when your cylinder is low. Some people keep a backup cylinder so they never face a flat moment. If you want a more precise method, some digital scales or gauge accessories can help you weigh cylinders and estimate remaining capacity based on the weight difference from when the cylinder was full.
Good maintenance extends the life of your bottles, cylinders, and the soda maker itself. Regular cleaning, proper storage, and mindful use are simple habits that prevent odors, bacteria, and leaks. Think of maintenance like tuning a musical instrument: a little care goes a long way toward performance.
Wash bottles with warm water and mild soap after every few uses, and avoid abrasive scrubbers that can scratch plastic. Glass bottles can usually tolerate dishwasher cycles, but check the manufacturer’s instructions first. Also clean the nozzle and carbonation head occasionally to prevent buildup; a soft cloth or a toothbrush works well for nooks and crannies.
Store spare CO2 cylinders upright in a cool, dry place away from direct sunlight and heat sources. Keeping them secured prevents accidental tipping or valve damage. Also, never leave a cylinder in a hot car on a sunny day — extreme heat can raise the pressure inside and create safety risks. Treat cylinders like pressurized tools: respect them and store them responsibly.
If you want to take your soda making to the next level, there are several accessories that add convenience and creativity. From carbonation caps to flavor syrups, these extras let you experiment and dial up your signature drinks without breaking the bank.
Premium syrups and concentrated flavors let you create custom sodas, cocktails, or mocktails. Because carbonation can mute flavor slightly, choose syrups formulated for fizzy drinks to maintain a strong taste. A little goes a long way, so try small amounts and adjust to your taste. Natural flavor drops are also gaining popularity among people avoiding sugar.
Carbonation caps let you carbonate bottles that aren’t the original brand, turning mason jars or other containers into fizz-ready vessels. Adapter kits can bridge compatibility gaps between different makers and cylinders. If you enjoy tinkering and want more flexibility, these accessories are worth exploring — just double-check pressure limits to stay safe.
One of the biggest mistakes people make is assuming all bottles and cylinders are universal. Manufacturers often use proprietary fittings, and an incompatible bottle or cylinder can mean a wasted purchase. Another common pitfall is ignoring lifespan and replacement guidelines — especially for plastic bottles that lose structural integrity over time.
Before ordering a bottle or cylinder, check the model compatibility list and connection type. Look for quick-connect or threaded compatibility, and read user reviews to catch any fitment issues. If in doubt, compare multiple sellers or consult comparison sites to see how different accessories stack up.
Think beyond the upfront cost. A cheaper bottle may need replacing sooner, and a less efficient cylinder can cost more per serving in the long run. Calculate cost per gallon or per serving to find the best long-term value. Often, spending a bit more upfront pays off over months of reliable fizz.
Comparison websites and aggregator tools are great for spotting deals and comparing specs side-by-side. They help you see how different bottles, cylinders, and accessory packs stack up on price and compatibility. Use reputable comparison sites to filter by model, capacity in gallons or fluid ounces, and customer reviews to make an informed buy.
Whether you’re upgrading to glass bottles for the taste, keeping a spare 16‑gallon CO2 cylinder on hand for non-stop fizz, or picking up an extra two-pack of 34 fl oz PET bottles for everyday use, the right accessories improve both convenience and enjoyment. Focus on compatibility, safety, and long-term cost when shopping, and don’t be afraid to invest a little more for the features you’ll use every day. With a few smart choices, your soda maker will become an effortless source of fantastic bubbly drinks.
