The CDC and EPA warn: Boric acid baits should never be made into food-like balls accessible to children/pets. Commercial roach baits use child-resistant containers for a reason.
How Boric Acid Actually Works Against Roaches
Mechanism:
Acts as a stomach poison when ingested
Abrades waxy exoskeleton → causes dehydration
Roaches carry powder back to nest → kills others via grooming
Effective when used properly: