DrinkTanks CO2 Cartridges – 16 Gram Food Grade Non-Lubricated CO2 Refills for Craft Beer Growler, Beer Keg,Kombucha, Seltzer & Cocktail Dispensing - 6 Pack,Leakproof,Compatible with Travel Keg Systems

Worked perfect in my square keg. Lasted long enough to empty the keg.

It threads into the 3/8" threaded opening on regulators like Mini CO2 Gas Regular 0-30PSI Keg Charger with '' 3/8 '' Thread for Homebrew Beer Kegging by MRbrew . I'm not sure if I'm simply not used to how much CO2 is in a 16 gram cartridge, if there's a leak in my system, or if there isn't really 16g in each one of these, so I'm going to test it out and will update this review once I have some concrete findings. Setup: I've applied some keg lube to the gaskets on my regulator to minimize the likelihood of any leaks. My first two cartridges ran out over night, but I'm not sure if that was to me dispensing a lot of liquid and purging some CO2 through the pressure release valve on the keg, if there was a leak in my system, or if there's not really 16g of CO2 in each cartridge, or I'm just so much more used to the 5lb CO2 tank. Before putting the cartridge into the regulator, I put some masking tape on and wrote "Start:" and "Finish:" on the tape. Using my gram scale (resolution of 0.1g) it measured 61.9g with the tape label on the cartridge. So far, more than 24h later, it still has gas in it and is able to dispense more liquid. This is better than previous trials, so it seems to indicate that there are no leaks in my system. I'm either not used to how much CO2 is really in these small cartridges, or the amount of CO2 is very small. Once it runs out I'll know for sure, and I'll update this review when I've got something conclusive to share. Update: Increased to 5 starts. I measured a final weight of 46.0 grams, so that means the difference between full and empty was 15.9 grams, so the amount of CO2 in these is legit. I probably have a leak somewhere either between the cartridge and regulator, between the regulator and ball lock disconnect, or in the regulator itself.

good

Works exactly as designed. Wish there was a bulk option to make it cheaper.

Good price, works great, very convenient. Love my Drink Tank!

Quick delivery and quality product!

The price is very high, but I thought I was getting a high quality product. The first one I used worked great. Second one had almost no CO2 in it. Disappointed.

Fit perfect for the mini keg vevor 128oz pressurized growler.