Special Reserve — Extra-Fine Diatomaceous Earth

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.

Pure Mountain Special Reserve 12 oz pouch of premium diatomaceous earth.

  • Made In The U.S.A

  • Harvested in Oregon

  • Satisfaction Guaranteed

Need Something Specific?

Get in touch and we'll get you a quote for what you need. We work with large volume all the time and happy to accommodate your specific needs.

Bright white diatomaceous earth at Pure Mountain’s Oregon mine.