A large brown bag with blue labels and a drawing of an open oyster shell.

Coastal Brand Oyster Shell Flour (Blue)

$0.20

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Unavailable

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Pickup available at SymbiOp Garden Store

Usually ready in 24 hours
High purity, feed grade Calcium Carbonate processed from Oyster Shell, Clam Shell and Coral Calcium. High in calcium and low in magnesium.

** All physical products are for in-store pickup only. We don't have shipping or delivery. We will hold your order for 3 days. On the 4th day, a 25% restocking fee will be applied. This doesn't apply to non-physical products like classes.

**Initials next to product sizes indicate suppliers/growers