Any tips for removing black streaks?
So far have tried...
Alloy wheel cleaner - Fenwicks Black Streak remover - shampoo/soap - sponge/fenwicks - toothbrush/fenwicks, they won't shift.
What's next, dynamite?
It's an old Motorhome so not the smooth GRP finish.
So far have tried...
Alloy wheel cleaner - Fenwicks Black Streak remover - shampoo/soap - sponge/fenwicks - toothbrush/fenwicks, they won't shift.
What's next, dynamite?
It's an old Motorhome so not the smooth GRP finish.