How it works
The four decisions to make before you buy anything. Read them
Spicy Water
Sparkling water on tap, from a keg that refills itself.
-
$431
Parts
Before tax and the fridge
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3 hours
Assembly
After the boxes arrive
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One hole
In the fridge
For the water line
What you are building
Section titled “What you are building”
Cold water runs from the sink, through a filter, into a keg. A carbonator lid holds CO₂ on the keg. A tap on the fridge pours sparkling water, and the keg refills as you drink.
How the system fits together
Select a part to read what it does.
Swipe sideways to see the whole diagram.
Component Info
Water Path
Gas Path
Cooling Zone
Disconnect
Check Valve
Start here
Section titled “Start here”Parts
The default list is $431, before tax and the fridge. Open the list
Build it
Water line, CO₂, fridge, then the first pour. Start the water line
What you skip at the store
Section titled “What you skip at the store”Environmental Impact Calculator
See how much you could save by making sparkling water at home.
🥫
293
12oz cans saved per year
(6/week)
♻️
9.7
lbs aluminum avoided
🌱
110
lbs CO₂ reduced
💵
$148
saved per year
That's equivalent to:
- 🌳 2.4 trees absorbing CO₂ for a year
- 🚗 123 fewer miles driven
* Estimates based on 12oz aluminum can production, transportation emissions, and average retail pricing (~$0.50/can). Actual savings may vary based on your location and usage patterns.
I got tired of carbonating one bottle at a time. This is the system I built at home, written up so you can copy it. No sponsorships.