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Black Magic - Cal - Mag Supplement

$21.98 ( 0 )

Description: Black Magic Cal-Mag Supplement is designed to work with Black Magic liquid nutrients to give plants an extra boost of calcium and magnesium. Added calcium and magnesium are beneficial to help optimize plant nutrition and enhance growth of calcium-intensive plants. These additional nutrients also help against secondary nutrient deficiencies, such as tip burn or blossom end rot.

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