Oyster Shell Flour 50lb

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Pacific Pearl Shell Flour is a great source of slow release calcium for your soil and can be used as a natural fertlizer. It is high purity, feed grade Calcium Carbonate processed from Oyster Shell, Clam Shell and Coral Calcium high in calcium and low in magnesium. The high calcium content will help balance the soil’s pH level. In addition, it improves nitrate intake and can help strengthen plant cell walls. Because it has a coarse texture, it can also improve drainage and reduce compaction. Flour provides a quicker calcium release than the crushed. Show more