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Oyster Shell Flour | RMBA

$14.00

Oyster Shell is a rich source or calcium carbonate (lime) that makes a great natural soil amendment for organic agriculture. Oyster Shell Flour helps raise the pH (sweeten) acidic soils and also serves as a source of slow release calcium. Made with oysters from the Pacific ocean, it contains trace elements like copper, molybdenum, zinc, nickel, and more! RMBA oyster shell flour is ground to a fine consistency for ease of use, and precise application.

  • 100% pure, all natural Pacific oyster shell
  • Finely ground for ease of use
  • A great source of calcium
  • Raises the pH of acidic soils
  • Slow release, conditions soil long term
*RMBA Oyster Shell Flour is also the ideal material to surface traditional Italian Bocce ball Courts!*


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