How do you remove ranex or phosphoric white residue? I applied it on aluminium as it had surface rust stains which the ranex removed but left a white residue. Like to remove this before re polishing
291600cookie-checkRanex white residue
Chemistry in the real world
Try Brasso. That should shift it. If it doersn’t, dilute hydrochloric acid – 1 part in 5 in a garden sprayer