Had a look on here couldnt really find anything so il ask and see what happens , my polished cam cover and hoses have started too get waterspots on them by the looks of it, and i cannot remove them for love nor money with a cloth and elbow grease,,, had a look at Autoglym engine bay and machine cleaner but states on there not too use on polished items,,, is there a specfic polished alloy cleaner i can buy to get rid of these so called water spots from the hoses and covers ?? i havent bought GUNK as they are degresers and my engine isnt filthy, just need to get rid of the localised spots, not a