We have a stainless steel splashback behind our cooker, and normally the E-Cloth sorts it out with no problem. But not this time - I have boiled it and run it through the washing machine (the E-Cloth, that is) with no joy. Then I bought a bottle of Stainless steel cleaner by Method which is so useless that I'm going to get a refund. Any advice? I have a visit from horribly house-proud in-laws tomorrow so it would be great to sort this one out! Is Cillit Bang good?