💧 Instant Sparkling : Transform tap water into bubbly perfection in just 1 second! With the included CO2 cylinder, enjoy effervescent hydration instantly. Single cylinder makes 60 liters of sparkling water 🌟 BPA Free : Enjoy sparkling water at your fingertips with one-touch simplicity includes 1 liter BPA Free bottle with lid. The user-friendly design ensures hassle-free carbonation, making it a breeze to add sparkle to your day ✨Luxurious Design, Premium Experience : Elevate your kitchen with our sparkling water maker. Crafted in three luxurious colors with gold accents, it's not just a machine, it's a statement piece that enhances any countertop 🍓 Endless Flavor : Unleash your creativity! After carbonation, customize your sparkling water with your favorite flavors. Explore a world of tantalizing tastes and create your own signature refreshments 🌱 Eco-Friendly & Energy Efficient : Powered by a refillable CO2 cylinder, our sparkling water maker is cordless and energy-efficient, requiring no electricity Making it environmen friendly and wallet-friendly CO2 cylinders require a tight fitting to work efficiently. If you find your cylinder is releasing less gas than you’d like, simply unscrew the cylinder and screw it back in again. Repeat as necessary. How to maximise the fizz. CO2 cylinders need a precise connection to activate the flow of gas. If you find your soda maker isn't adding as much fizz as you'd like , don't worry, the cylinder might just be overtightened. Simply following these 2 steps for an increased flow of CO2 1) Tighten the CO2 cylinder fully then 2) Loosen the cylinder a touch, just an inch or so Any questions telephone Cello customer support on 0333 433 0312