Rob Graham wrote:

I've been advised to clean off the rust and old paint and repaint with
hammerite type paint. Just how much rust will hammerite tolerate?
I'm using a abrasive disc on a 115mm grinder, and its taking off the
paint and surface rust fine but the surface is somewhat uneven and
there's rust in the pits. Do I need to treat for these rust areas?
The bath is outside upsidedown so access is as good as it can be.

Rob


just wirebrush, treat with 'jenolite' or other phosphoric or chromic
acid stabiliser. wash off teh acid, and use a decent paint.