Oyster Shell Flour
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We make our oyster shell flour by freshly grinding shells collected from our local fishmonger. It is a fantastic source of calcium that can sustain a plant without causing a nutrient lockout. This slow-release calcium improves soil tilth, helps soil maintain nutrients and boosts the plants' immune system.


This product is sold in a 1kg quantity. 

Vendor: organic gardening solutions
Weight:  1.0 kg