Emerald Harvest Cal-Mag - 1L

Emerald Harvest Cal-Mag - 1L

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$12.99
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$12.99
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$24.99
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Keep your plants productive and green in any growing medium with this top-quality calcium-magnesium supplement. 

Cal-Mag is especially important for preempting deficiencies when growing in certain media, such as coco coir, but any garden can benefit. 

  • Lush, vibrant, green growth and plant development
  • Optimal chlorophyll production to support photosynthesis
  • Less risk of calcium or magnesium deficiencies due to coco coir

Cal-Mag nourishes crops with supplemental calcium and magnesium, fostering the right conditions for abundant flowering and a heavy yield.

  • Calcium, which helps hold cell walls and membranes together
  • Magnesium, the central atom of the chlorophyll molecule
  • Kelp, a rich, natural source of proteins and biocatalyst
  • helps prevent rot 

Coco and more

Suitable for plants grown in coco coir or other growing media.

Stop deficiency

Say goodbye to calcium or magnesium deficiency in your gardens. 

1L