hey there peeps...am currently working on the rear bumper and am running out of bumper filler

typical

so am just wondering for the rest of the bumper...only the long straight bit...is it ok to use normal filler? or will ir not be so good as i have used bumper filler from the ends of the bumper through till just past the corners so just have the middle section left...
or do i wait till tomo and buy some more bumper filler
thanx
bassboy