That is a real bubble bummer! You can still purchase spare and refill cylinders on our site. Have you checked our store locator to find the nearest participating retailer? Just make sure when purchasing at retail, that your refill has a nylon shrink wrap bearing the SodaStream (or Soda-Club) brand name in order to protect your warranty.
Check out our guide below to learn more about how to easily get back to bubbling with our online gas exchange.