How to relieve cat litter box odour

You can relieve the odour from the litter tray in the following ways: Firstly, try not to give your cat food that is difficult to digest. Secondly, the litter tray should be cleaned regularly and disinfected regularly. Third, install an air purifier or use deodorants or deodorising crystals. Fourthly, consider a different type of litter tray.