LPG: Always a spare for each of my burners and again upstairs for by BBQ. So 6 bottles with a minimum of three full bottles.
CO2: 10 kg BOC bottle and my spares are three Sodastream cylinders.
Farts: two generated every hour and ample backup from my wife and kids
CO2: 10 kg BOC bottle and my spares are three Sodastream cylinders.
Farts: two generated every hour and ample backup from my wife and kids