How to clean corroded rusty bathtub waste hole Drainage and wastage systems and plumbing help, advice and answers

[FLilley]

Hi,
I'm replacing an enamel bathtub waste drain and have removed the old plughole, but it is quite corroded/rusty where the old black rubber washer was seated below the chrome plughole. What is the best way to clean this up before fitting a new waste? Scrape with screwdriver? WD40? Some sort of commercial rust remover? If so what type? Any advice greatly appreciated.

[stoneyboy]

Hi flilley,
Do not use any form of chemical cleaner, this will etch the enamel surface and ruin it. Suggest you try a scouring powder cleaner but you may find the rust has deeply stained the enamel.
Regards S

[FLilley]

Many thanks I'll give it a go...