Peters Excel 15-5-15 Cal-Mag Special with Black Iron 3 Lb.

Peters Excel 15-5-15 Cal-Mag Special w/ black Iron is the best fertilizer for your orchids with balanced N & K, low P, added calcium and magnesium along with key micronutrients. 5.0% Soluble Potash (K20). . 15.0% Calcium (Ca). . 5.0% Magnesium (Mg). . 2.0% Boron (B). . 0.0187% Copper (Cu). . 0.0187% Iron (Fe). . 0.75% Manganese (Mn). . . 0.0375% Molybdenum (Mo). . 0.0075% Zinc (Zn). . 0.0375%.

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