Oyster Shell Flour

Harley's Worms Verified independent store

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Oyster shell flour is a great addition to the worm bin. It is high in calcium and great for the worm's gizzard. The gizzard helps the worm process food. Oyster shell flour also hel ps to balance the pH in worm bins that use peat moss. Also, it can be used in your homemade potting mix with your worm castings to balance the pH of the potting mix. This flour is ground to a fine powder making it readily available for baby worms. Add a light dusting of oyster shell flour when feeding your worms every 2 weeks. Show more