because of your comment about being shouted at for making a very sensible suggestion! There are some real head cases on BYC (though not on this thread I think )I don't know why @Perris is laughing - I am serious!
I'm a fan of old fashioned simple substances like soap and water, vinegar, bicarb, liquid paraffin, lemon juice, and even alcohol if I've a bottle of something that I don't really like