Clean your hamsters cage at least every week if not every 3 - 4 days. Another thing you can do is buy fragrence smell its pretty cheap ($3 - $5 dollars) and it will help your hamster.Source:My...
- Use proper pet disinfecting spray to clean the cage out.- Try scented wood shavings (make sure you get them from a pet store).- Try getting a hamster litter tray.- Or clean it out more regularly.