paul wrote:

I have sanded out as best I can and it looks ok , I will go over with
some oil based stripper and wire wool to remove what I can from the
grain , I have spoken to rustins the uk firm who supply the bleach and
as you would imagine the reply was" try a sample and see"

I assume by "wire wool" you mean steel wool.

If so, I'd try either bronze wool available at a ship's chandlery or a
plastic pot scrubber.

If you use steel wool and don't absolutely remove ALL residue, it will
eventually rust.

Lew