I would be wary of rust remover for deep pitting - you can get rust converter solution instead which I prefer to use if I can. That way you can fix the rust without removing material and deepening the pitting.
@Slappingpythagoras started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
I would be wary of rust remover for deep pitting - you can get rust converter solution instead which I prefer to use if I can. That way you can fix the rust without removing material and deepening the pitting.