100% Food Grade diatomaceous earth makes an excellent natural product that is safe and non-toxic.
Can be used dry directly indoors or outdoors. Food Grade Diatomaceous Earth is safe enough even to feed. Diatomaceous Earth (D.E.) is a safe, non-toxic substance made up of fossils of freshwater organism and marine life.
Puppies: 1/2 – 1 tsp
Small Breeds (1 to 50 lb) 2 tsps
Large Breeds (50 to 100 lb) 1 tbsp
Very Large Breeds (over 100 lb) 2 tbsp
Cats: 1/2 – 1 tsp