[Naturella]

Hey! I think there was a threat on holistic ways to end fleas:

/forums/topic/heartworm-hookworm-tapeworm-roundworm-and-fleatick-prevention/

Also this:
/forums/topic/does-anybody-use-de/
And:
/forums/topic/anyone-in-the-market-for-food-grade-de/

So, you can look into these products: Diatomaceous Earth, or Cedarcide Best Yet. Good luck!!! 🙂