well presuming yuor Maze 4 doesnt have an aluminium top, your cooking on gas !
if you have the maze 4 with the alu top... you must use an additive.
i would anyway. just for eace of mind more tan anything. but whether you choose to use one or not, please add a few drops of alcohol free iodine !... or it will haunt you ! lol
***EDIT***
1000th post !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!