sanding stairs - follow up with pics

Varnish usually highlights the difference.

or do I need to pre-stain the

"2 part woodworking bleach" (Rustins?) is probably your best bet. Part 1 is strongly alkaline and makes everything darker. Part 2 looks as though it's not doing much until it dries. It may not mask the shade change completely but it will almost certainly be an improvement. Nasty stuff so heed all safety blurb.

Rustins 2 part floor varnish if you want toughness and a genuinely clear finish.

Try some Nitromors and course wire wool on the dark part of the stairs,that might bring it up more?

By the way... Hope you have good neighbours on that side of the house?

================================== Regardless of any other treatment I would suggest that you consider some kind of protective cover for the leading edges of the treads. This is the part of a step that bears the brunt of everyday wear and could quickly become dangerous.

As far as the colour goes I would echo the suggestion of more Nitromors treatment as you're probably seeing engrained paint residue rather than a true colour discrepancy.

Cic.

If you do have to stain, you will need to find some equivalent wood and do some testing. Pine is always difficult to stain satisfactorily. One trick I've discovered is to stain pale pink first (dilute red mahogany 4 : 1 or so) and then stain with light oak. All the pine stains give too yellow a finish for my liking.

Rob

cool - thanks for all your advice,

I will try Nitromors & wire wool first on the darker parts. Failing that I will experiment with wood bleach.

Also thanks for suggesting rustins 2 part varnish as being tough, I think it is this one we're talking about here:

That's the one. Bear in mind that it's fairly thick, and will look like a sheet of glass if brushed on and left to set. I prefer to massage it into the surface with a rag, which produces more of a satin look. Disgusting stuff to use. The fumes are mighty powerful, but short lived

If you really want toughness (and you don't have UV to worry about indoors) use epoxy. West Systems is pretty good - I'm just having to redo my boat, after 10 years of living outdoors under a canvas cover, so that's pretty tough.

Andy