Scrap the dependancy for small SodaStream gas cylinders and use a larger, more economical gas bottle with this handy adapter hose. Considering you're able to carbonate approximately 150 L per kg of CO₂, it's a pretty easy call for both your time (not having to swap out bottles) and your wallet!
 
We have included two options when drilling through your bench top to fit your hose. Either remove the stainless thread from the brass connection and drill a 14-15mm hole. You will need to use Lock-Tite glue or plumbers tape to get a good seal on this connection after you re-fit it.
 
Without removing the brass connection piece you would need to drill a 30mm hole to fit the bottle connection end through your bench top.
 
*Does not include CO₂ or the SodaStream unit