That's the way to go IMO. Good job Shauly.
That looks like a 5lb tank. It should last a while and you can refill for cheap.
I have a 20lb tank and it's still going strong after carbonating hundreds of gallons. Refill cost: $25.
Thanks! Everyone should do it.
It's a 2 kilo tank. The bigger ones were a lot more expensive, and they told me that I could swap up when I refill and just pay the difference, so I'm going to see how long it goes. We do about 2 bottles a day, and it's ~$15 to refill. Seltzer here costs ~$1.50 a bottle (the most convenient place to get it), so after the first week it started paying for itself.
My father has a 20lb tank. He makes 6+ bottles a day, and more for shabbos. He refills it once every six months or so.