GAIA GREEN Oyster Shell Flour is a renewable alternative to mined limestone with a comparable capacity for ameliorating soil acidity. A single application can improve soil properties for several years. GAIA GREEN Oyster Shell Flour is an excellent choice for all gardens where increased soil pH is desired.
Benefits:
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An excellent source of slow release calcium.
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Equivalent to limestone for ameliorating soil acidity.
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Renewable resource.
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