Are Diatoms Harmful at all?
Not to us. They are very small fossilized particles that to our skin feels like talcum powder. To smaller creatures, they are sharp as glass. Diatomaceous earth is a product sold at most garden centers. These fossilized particles are used to keep smaller pests like ants and slugs from the stalks of plants. These small diatoms poke into the segmented parts of ants and the soft skin of slugs and snails, becoming an annoyance, and they leave.
