This is a pellet size crushed oyster shell, great source of calcium for Paphiopedillum orchids. Heat-treated for purity.
All-natural and high-quality source of the essential plant nutrient calcium, helping prevent calcium deficiencies that can diminish plant development
Ancient oyster shells are carefully harvested and then ground into pellets, providing a sustained release of this valuable nutrient
Oyster Shell is great to add Calcium a very important nutrient to the biological processes of growing plants and aids in improving structure of soils and building optimum.
Ingredients: pellet-sized crushed oyster shell and coral calcium.
Use a pinch amount over the growing media of Paphiopedilum Orchids.
Repacked for your convenience in 8oz or 1/2lbs resealable bags., you'll really need a small amount.