• -12.5%

EMERALD HARVEST CAL-MAG

€10.50 Save 12.5%
€12.00
Tax included

Cal-Mag by Emerald Harvest is the solution to calcium and magnesium deficiencies.

Calcium and magnesium are essential for reconstituting osmosis-filtered water, making it suitable for cultivation.

Certain substrates such as coco require an additional supply of calcium and magnesium.

Moreover, Cal-Mag by Emerald Harvest contains kelp algae, a natural source of proteins and biocatalysts.

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Cal-Mag from Emerald Harvest provides calcium and magnesium that fertilizers can't supply because they precipitate.

Type and use

Cal-Mag from Emerald Harvest is a calcium and magnesium supplement to be used in all types of substrate, indoors and outdoors.

Benefits for the plant

  • Remedies deficiencies of calcium and magnesium.
  • Essential for coconut substrate.
  • Calcium helps to hold together the walls and cellular membranes.
  • Magnesium is the central atom in the chlorophyll molecule.
  • The extra kelp contribution increases vigor, health, and resistance against stress, diseases, and pests.
  • Its high content of vitamins, stimulants, enzymes, and nutrients produces more abundant and larger volume flowers.

Composition

N-P-K 2-0-0

Derived from calcium nitrate, magnesium, sulfate, calcium acetate, magnesium acetate, and seaweed extract.

Usage and dosage

To correct deficiencies, apply 0.5-1.25 ml of Cal-Mag from Emerald Harvest per liter of irrigation water.

To reconstitute water from reverse osmosis filter, add Cal-Mag from Emerald Harvest until you obtain an EC measurement between 0.4 and 0.6 mS.

La Huerta's Opinion

The extra kelp contribution from Cal-Mag by Emerald Harvest sets it above its competitors. It should be used together with a base fertilizer like MicroGrow and Bloom or Cali Pro Grow and  Cali Pro Bloom.

Vegan product.

Data sheet

Type of composition
  • Biomineral
Growth stage
  • Veg
  • Flowering
Type of stimulant or additive
  • Nutrtional complement
Type of grow
  • Aeroponic grow
  • Coco grow
  • Soil grow
  • Hydroponic grow

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