Cheers all. I've just looked on the site and it's really cheap so if needs be I can just buy another bottle of it further down the line. Don't want to rush through 30 odd prints just to use the stuff up!
Exactly -- and there is no reason to chance the expensive stuff (pt/pd) by saving a few bucks using old cheap stuff.
At least with LF landscape, a bad day of photography can still be a good day of exercise.