So, rust stains on top of paint or powdercoat?
Bare aluminum, I might try one of the gentle acids and a soft scrub brush.
Or place a cloth on top, wetted with one of the gentle acids, to let them ‘soak’ a bit.
Third option is a commercial cleaner and pressure wash.
Philbert
Bare aluminum, I might try one of the gentle acids and a soft scrub brush.
Or place a cloth on top, wetted with one of the gentle acids, to let them ‘soak’ a bit.
Third option is a commercial cleaner and pressure wash.
Philbert