"Force Carbonating" with a Sodastream cylinder?

I need water with a very high carbonation rate for my sodas. Since I don't need huge quantities and want to keep my budget quite tight, I was thinking about force carbonation using a CO² cylinder connected to a CO² pressure reducer and a carbonation cap on a plastic bottle. Squeeze the bottle to minimize the air in the bottle, add CO², shake, and you're done.

However, CO² cylinders are quite expensive and take up a lot of space, so I thought it must be possible to use a SodaStream bottle (which I already have) instead of a cylinder. However, I would need an adapter for a pressure regulator and a mechanism to control the flow. Is there anything like that available, and if not, can anyone recommend inexpensive CO² cylinders with food-grade carbon dioxide (E290)?

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andynymous
3 years ago

Press bottle, minimize air in the bottle, add CO2, shake, finish.

The “creation costs” of the required parts including the carbonic acid cylinder will probably be as high as the purchase of a favorable soda stream, because also the costs for the multi-way deposit system of the cylinders/bottles refilled with carbonic acid will not come around.

The English terms have irritated me a little, but correct me if I should be wrong.

You want to enrich water in a bottle with carbonic acid, but use it as sparingly as possible, and best without an overpressure valve, i.e. 500 ml in a 1.0L bottle, then press it together, and press carbonic acid in, back together, etc.?

I would advise you to buy a SodaStream “Easy” with PET bottles, and the matching adapter for the threads of normal PET bottles, and an extension of the filler neck with a matching hose, then you will also get an All In One solution.

SodaStream Adapter for commercial bottles for 36mm thread

https://www.ebay.de/itm/233671116571?mkevt=1&mkcid=1&mkrid=707-53477-19255-0&campid=5338624525&toolid=10001&customid=24a7cca3fa2e3378dbfa32e4f331e66f

I even exaggerated it with my device (SodaStream Source) years ago, modified the device floor, and set the whole thing higher to also fill 1.5L PET bottles.

But also this MOD variant has been back in the basement for years because I wanted to have “very much” (Ultra?) carbonic acid in my lemonade, and precisely at this point, the bill of the multi-way carbonic acid cylinder exchange did not go up any more at some point, and the “about the 8 euros for a filling” did not expect compared to disposable mineral water Classic anymore, as this “up to 60 L” often refers to Mist – again only compressed air instead of carbonic acid in the water, one at some point compared to 1.5L Classic mineral water (one way), only paid on.

So, if you really want to keep your budget tight, I can only advise you to put “both” ways to cost technically before you decide.

andynymous
3 years ago
Reply to  Rackslash

Then I wish you a lot of fun, and success in making your lemonade, and who knows, maybe one day your recipes are in the supermarket shelf. :

mloeffler
3 years ago

See Mal ikegger. There are adapters for SodaStream bottles on both large pressure reducers and mini pressure reducers that are normally operated with CO2 screw caps.