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Calcium Carbonate / Agricultural Chalk (1kg)

5.00

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Description

Calcium carbonate (CCaO3 – TECHNICAL GRADE) is a mineral extracted naturally and permitted for use in organic farming. Its purpose in the preparation of spawn is to:

  • to remove the excess moisture present in the cooked grains,
  • to neutralize the pH of the grains and
  • to avoid caking of grains after sterilization. In the preparation of substrates, calcium carbonate is used to buffer the PH upwards while providing a ready source of calcium to the fungus. Sold by the kilo.

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