subignition

Drinkmate’s exchange program with coupons also works out to $15 per cylinder when you’re doing a 4-pack, and if you’re really serious about volume, $13.72 per cylinder if you’re doing a master carton of 18

Hey if you’re comfortable handling that risk safely more power to you. CO2 leaks are very dangerous. I have five canisters (so I return 4 at a time) and I only need to make that exchange two or three times a year.

They’re mail-in, but they provide the shipping label and you get a hefty coupon.