CO₂ Cylinder for GROHE Blue Home – 425g
Refill the sparkling water in your GROHE Blue Home tap with a 425g Gas4U CO₂ cylinder, delivered anywhere in Ireland.
GROHE Blue Home systems use a 425g cylinder that connects under the sink, alongside the chiller and filter. Ours holds the same 425g of food-grade CO₂.
Fits these GROHE Blue Home machines
- GROHE Blue Home taps with the under-sink chiller (425g cylinder)
GROHE Blue Professional systems use a larger 2kg cylinder, which this product doesn't replace.
Why choose Gas4U
- 425g of food-grade CO₂, making up to 60 litres of sparkling water
- Our own Gas4U cylinder, for less than branded refills
- Delivered to your door anywhere in Ireland
- Free return label for your empties, with credit towards your next order
- Refill Club: save up to 50% with free delivery and empties collected at each renewal
Changing the cylinder
- Open the cabinet under your sink and find the CO₂ cylinder.
- Unscrew the empty cylinder from the connector.
- Remove the cap from the new cylinder and screw it in until hand-tight.
- Test the sparkling setting at the tap.
FAQs
Does this cylinder fit GROHE Blue Home?
Yes. GROHE Blue Home uses a 425g screw-in CO₂ cylinder, and this one holds the same 425g of food-grade CO₂.
Does it fit GROHE Blue Professional?
No. GROHE Blue Professional uses a larger 2kg cylinder.
How much sparkling water does one cylinder make?
Up to 60 litres, depending on how much of your water you choose to have sparkling.
What do I do with my empty cylinder?
Gas4U offers an empty-cylinder return service. Eligible one-off customers can return empty cylinders for store credit towards a future order. Refill Club subscribers can arrange returns through the subscription renewal process.
Not sure which cylinder you need?
Use the Gas4U Compatibility Checker before ordering to confirm the correct cylinder connection for your sparkling water maker.
