> but any way you work it paying $15-20 for a refill is a much better deal than paying for SodaStream cartridges. I get a discount for trading in my old cartri

> but any way you work it paying $15-20 for a refill is a much better deal than paying for SodaStream cartridges. I get a discount for trading in my old cartridge? A single cartridge lasts me 3 months. We make 2 bottles per day. The standard price is $15, I always buy them at Bed Bath and Beyond with a 20% off coupon ... which makes them $10. Ten bucks for 3 months isn't bad.