If you have six how often should change the cat litter?

Cats are territorial animals and they prefer to use the same litter box. If you have six cats, you should change the litter box at least once a day, and twice a day is even better. This will help to keep the litter box clean and prevent the cats from tracking litter around the house. It will also help to control the spread of bacteria and germs, which can lead to health problems for your cats. If you can use the clumping types of litter in order to make the cleaning job quicker.