Insect Pond Barrier Stops Larvae Breeding on water surface Protect your pond naturally with the Bill & Ben Insect Pond Barrier, powered by Silmax technology. This innovative solution forms an invisible layer on the water's surface, preventing mosquitoes and other insects from breeding without harming plants, fish, or wildlife. Safe, effective, and easy to apply, it's the perfect way to keep your pond healthy and bite-free all season long.