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Diatomaceous Earth Won’t Kill Earthworms

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DE: Dangerous for Insects, Safe for Four Legged Friends’s supply of Diatomaceous Earth is mined in Utah. It is formed from the remains of minuscule organisms that lived in the water and had hard outer silica shells. Over the eons these microscopic shells built up and fossilized into the diatomaceous earth that is mined today. “Food Grade” Diatomaceous Earth is made up of amorphous silica, and is the safe form of Diatomaceous earth for use within the home.

Diatomaceous earth won’t kill earthworms…..

When using Diatomaceous Earth as a pest control product, it is important to understand how it works. Diatomaceous Earth can be used safely around people and most animals and is only harmful to creatures with an exoskeleton. While it won’t hurt an earthworm, it will repel and kill: ants, fly maggots, aphids, ticks, silverfish, grasshoppers, termites, fleas, and bedbugs.
It does not use toxic chemicals to kill the insects but rather kills by physical desiccation.

What is physical desiccation?

In biology and ecology, desiccation refers to the drying out of a living organism, such as when aquatic animals are taken out of water, or when plants are exposed to sunlight or drought. In the case of insects, the dessication is caused by contact with Diatomaceous earth. Diatomaceous Earth has microscopic sharp edges that scratch at the waxy lipid layer on the insect’s exoskeleton making it impossible for the insects to retain water. Diatomaceous earth causes insect death by dehydrating insects until they die. The process of insect death by dessication may take several days.

Diatomaceous Earth in Your Garden
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DE on Squash Vines

Apply diatomaceous lightly as a dust to control pests. It can be used in the garden right up to the day of harvest. Dust plants when they are wet to insure the diatomaceous earth sticks to the plant surfaces. Use diatomaceous earth to pre-treat seed beds and seeds to protect them from being attacked by bugs. It will also enrich the soil and will increase the soil’s water holding ability. Dust or sprinkle the dry powder around the house and where the pets sleep to control fleas, roaches, silverfish, and ants. Use 1/2 lb. for every 1000 sq. feet of area.

To treat large areas such as a lawn, mix 1/4 to 1/2 cup of diatomaceous earth in a gallon of water with a teaspoon of liquid soap, and spray it out on the lawn or plants. With this method there is no problem with dust drifting or being breathed in, and once the diatomaceous earth dries it will be active. Reapply after a good rain.

What do Toothpaste, Shoe Polish, and Cat Litter Have in Common?
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Sprinkle DE in Home to to Prevent Bugs

Inside the home, use diatomaceous earth to kill and repel insects. Sprinkle diatomaceous earth around dark spaces and baseboards – anywhere insect hide and creep. Dust bed frames, under furniture cushions, and work into carpet to kill bedbugs and fleas. Dust areas where insects may enter the house such as around incoming pipes, doorways, and window frames. Use diatomaceous earth around and under sinks, refrigerators, pet beds, and in the pantry. Don’t forget to dust the attic and crawl spaces with diatomaceous earth as a defence against ants and termites. Common household items that contain diatomaceous earth you might find in your homes are: baking mixes, cosmetics, cat litter, water filters, shoe polish, metal polishes, soaps, toothpaste, and potting soil conditioners.