Freshwater diatomaceous earth from our family’s mine near Westfall, Oregon. Harvested, processed and packaged by our crew for your home, garden, farm and ranch.

From our family’s Oregon mine to your barn. Pure Barn is a lightweight, absorbent diatomaceous earth for managing moisture in stalls, pens and bedding.

A bright white, water-applied mineral film designed to help protect sun-exposed crops from intense sunlight and heat when used as directed.

From drier bedding to dust-bath time, Pure Coop is our family’s freshwater diatomaceous earth for everyday poultry care, mined and processed in Oregon.

From kitchen spills to oil drips in the driveway, Pure Dry is a lightweight mineral absorbent for everyday cleanup at home, in the shop and around the farm. Made from our family’s freshwater diatomaceous earth.

Freshwater diatomaceous earth from our family’s Oregon mine for feed and grain. Pure Feed helps manage moisture and reduce clumping—and it’s a product we use with our own animals.

Protect the grain you work hard to grow and store. Pure Guard is an EPA-registered diatomaceous earth insecticide for granaries, grain bins and commercial agricultural grain storage.

EPA Registration Number: 69261-3

From our family’s Oregon mine, Pure DE is a ready-to-use diatomaceous earth insecticide dust for labeled pests in and around homes, shops, farm buildings and their immediate surroundings.

EPA Registration Number: 69261-4

Special Reserve is our premium, extra-fine diatomaceous earth with a soft, silky texture. Sourced from our family’s freshwater Oregon deposit and packed in convenient resealable pouches, it brings a finer feel to the Pure Mountain lineup. Choose a 12 oz or 24 oz pouch.