Calor 13kg patio propane gas bottle is ideal for patio heaters and as bbq gas for barbecues with 4 burners or more making it the perfect solution during the long summer evenings this bottle comes with the innovative built in gas trac indicator which lets you know when its time for a refill how do i connect this bottle if youre new to using gas bottles dont worry weve put together a handy guide to help you watch video do i need anything to use this bottle with my bbq