Crushed Oyster Shell

20% Off All Ceramic Pots - Use Code: CERAMIC

Free Shipping Over $99*

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20% Off All Ceramic Pots
Use Code: CERAMIC

Free Shipping Over $99
To the contiguous U.S.

Crushed Oyster Shell

Crushed Oyster Shell - 1.5 lb. Tub

$6.47


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Free U.S. Shipping Over $99

Product Highlights

  • Correct Acidic Growing Environment by Raising pH
  • Great Source of Calcium
  • Varied Particle Sizes Allows Immediate and Long Term Release of Minerals

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Frequently Bought Together

Crushed Oyster Shell - 1.5 lb. Tub
5.25" Crystal Diamond  Carousel Orchid Pot and Saucer
Houseplant and Tropical Classic Potting Mix - Junior Bag
Total price:
 $
67.61
Choose items to buy together

Oyster Shell is a natural organic source of calcium and trace minerals for calcium loving orchids. It is 96% calcium carbonate, a gentle source of elemental calcium. Use as a topdressing and replace when gone. The variable particle size allows for immediate and long term release. Oyster shell is basic and is used to raise pH in orchid mix. To test PH we offer a convenient and easy-to-use PH Test Strip Kit.

We recommend you store oyster shell in a cool dry place.




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