All we have done due to the fact we loaded them up is scoop them up to now.  We haven't added anymore litter.  We are still thrilled with the new litter. . The 40-pound fat merged with the packaging tends to make the cat litter very hard to raise https://getsocialnetwork.com/story4095576/a-simple-key-for-dr-elsey-s-precious-ultra-hard-clumping-scented-litter-18kg-unveiled