whats the benefit of having them on the roof?
It is so you don't have to bend down and also saves floor space, Mine is on my tank and that is plenty high enough for me.
excellent reply stu as always fella floor space is saved
wasted space used though it wasnt my idea
, idea was pinched off slumpbuster n the russian guy lol

im deffinaltly going to do this !!!!!!!!!!!!!!!!!!!