it might be simple to you but I suspect that most people dont have the extra space to take 2 bottles
Sorry but i suspect most people carry two bottles especially those that rally and use minimum facility sites two 4.5 calor cyl or two 7.5 propane dont actually take up that much room and I for one have no patience for people moaning they have run out of gas at nine at night in the middle of cooking. I also buy a replacement cyl as soon as possible its called being organised
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