We sell books. Do not use anything on paper pages. Memare is right, people will buy books with previous owners name, but if the pages are damaged, well that is a different story. Google book cleaning and that will help you find the info you need. Hope you fine this helpful and have not damaged your pages yet. ... View related article.
I refill by using 1/3 cup Dawn and the rest with water. I do add 1/8 cup bleach to mine, but if you had rather not, just fill with water. Sometimes, I don't quiet get it right, so I add water or more Dawn ( I always use Dawn to refill) until I get the foam I like. ... View related article.