Have you just ordered your GROHE Blue Starter kit? Then now is the perfect time to purchase the CO₂ starter kit. The five CO₂ bottles will guarantee an end to annoying shortages.

1. GROHE Blue Starter kit
Your starter kit includes one 425 g CO₂ bottle.

2. Starter kit 425 g CO₂ bottles (4 pcs)
Order one CO₂ starter kit (40 422 000) which includes four CO₂ bottles, in order to have five full CO₂ bottles.

3. Order Refill 425 g CO₂ bottles (4 pcs)
As soon you have four empty 425 g CO₂ bottles, you can order a refill (40 687 000), so that we can refill your bottles as you are using the fifth one.

4. Five full 425 g CO₂ bottles
The GROHE CO₂ refill process ensures that you always have a full CO₂ bottle, and you will never miss refreshing CO₂ from natural sources in your filtered tap water.