I assume that your problem is that coloration added to the Cillit Bang brand name cleaning supply product you used on said marble surface discolored it. This is understandable as marble is a porous material. Try cleaning the surface with hydrogen peroxide, if that doesn't work, try bleach.
i'm not sure
Cillit Bang.
Brillio pads and cillit bang
cillit bang
Cillit bang
It tastes of pure energy with sperm sprinkled on
cillit bang
Barry Scott of 'Cillit Bang' (a household cleaning product) fame says that if you leave the penny is Cillit Bang for 15 seconds it will clean it. You can also leave the Penny is a glass of Coca Cola for a few hours. I've done that and it does work.
One of the best ones out there would have to be Cillit Bang. You may have seen it advertised, and it really is as good as the adverts say. The only downside to it is that it is acidic, where most cleaners are alkaline based, which means Cillit Bang is more harmful than most cleaners.
Cillit bang and salt are good for balancing out the oxide from the steel and extracting it, leave it on there for about a minute
Cillit Bang, It work's realy well. Just leave it sat for 15 minutes
Because it is a fast removal spray so it can get rid of all the toughest stains e.g lime scale