the gas bottle that came with a new white sodastream made maybe a dozen bottles of bubbly water, nowhere near the 60 litres advertised. thought maybe the first bottle was intentionally partially full, but the second and third co2 bottles both lasted an estimated 30 litres, again nowhere near 60 litres.
it's going back to the store it came from.
seems 60 words isn't enough to get across that this contraption isn't worth buying. need about 26 more, so one, two, three, four, sodastream gas bottles no more, five, six, seven, eight, learned about low gas bottles too late - word to the wise.