Home Carbonation System i made using a 5Lb co2 tank i got at the land fill and a welding reg and hose and adapter you can make this your self for around $40.00-$50 depending wear you get the parts at it cost me about $1.33 to fill the 5 lb tank and it will make about 1500 liters of soda water or juice its easy to use and fast makes about 2 liters in 30 seconds and super cheap check my outher videos for more on this