Safety: We took into consideration whether or not the cat litters on our list utilized any dyes, fragrances, or elements that could exacerbate signs and symptoms in cats with allergic reactions or other problems. The h2o consistently flows through the fountain, preserving it clean and refreshing. Our cats adore it! https://daltonciovb.wssblogs.com/31665739/considerations-to-know-about-dr-elsey-s-clean-tracks-unscented-cat-litter-9kg