Our award-winning, organic, Cal Mag Maximizer (NPK 2-0-0) is the ultimate calcium and magnesium supplement for your plants and is formulated for hydroponic and soil indoor and outdoor gardening systems. Formulated to help increase your plant’s vigor, builds strong cell walls for lush, green leaves and larger yields. Active ingredients: 3% Calcium, 1% Magnesium (Calcium nitrite, calcium carbonate, magnesium sulfate and magnesium carbonate)
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