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Diatomite Rock (25 Lb Bag) - F032

  • Up to 2 may be combined in a single package, but cannot be combined with other items.
  • In stock. Ships from our warehouse in Northern California.

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Buy big, save big with quantity discounts
  • Buy 10 for $20.69 each and save 11%
  • Buy 50 for $18.39 each and save 21%

Increase the Water Holding Capacity of Your Soil

Diatomite Rock is a naturally mined mineral composed entirely of the skeletal remains of trillions of microscopic, unicellular plankton called diatoms. The porous aggregate particles wet rapidly and will absorb greater than 100% of their own weight in water, which they freely release to the surrounding soil and plant roots.

With an ideal pore size of 0.1 to 1.0 microns, Diatomite Rock acts as a water and nutrient reservoir for plant roots enabling them to withstand common environmental stresses, such as drought and temperature extremes, more easily. Indefinitely stable and non-compactable, Diatomite Rock permanently improves the structure, drainage and oxygen exchange of heavy soils and horticultural growing media.

  • Derived from 100% diatomite
  • Mix 10% by volume or about 1.5 lbs per gallon of soil
  • For garden soils, apply 5 lbs per 10 sq ft.

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