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and most pH stable nutrients on the market
Rounded edges are super ergonomic for delicate branches
CUSTOM AIRFLOW
More than 40 years ago
Black Swallow Dolomitic Limestone pressed and most pH stable nutrientsThere are a number of calcium products that can be used in your soil. Some, like oyster shell, provide a pretty pure calcium source. Wollastonite is a calcium silicate, meaning that you get a good supply of silica along with the calcium. Gypsum, is calcium sulphate, and has a sulphur content. Calcitic limestone is calcium carbonate, which provides a valuable additional role in neutralizing acids in a soil. Dolomitic limestone is a combination of
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