Emerald Harvest Cal-Mag keeps your
plants productive and green in any growing medium with our top-quality
calcium-magnesium supplement.
Keep your plants productive and green with Cal-Mag, a calcium and magnesium supplement from Emerald Harvest. Containing top-quality ingredients, Cal-Mag is designed to nourish crops with extra calcium and magnesium and create the right conditions for abundant flowering and a heavy yield by utilizing its 2-0-0 NPK. This is especially important when growing in some media, such as coco coir, but any garden can benefit. Use Cal-Mag as a supplement to a base nutrient series for guaranteed professional results.
Why Use Cal-Mag 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
What Makes it Work?
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 biocatalysts
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 garden.
Greener gardens
Promotes chlorophyll production for more efficient photosynthesis.
Cal-Mag Application Rate: 2-5mL/Gal - Use when needed from early vegetative through late fowering phase. Recommended for use on water days only
Note: Do not use Cal-Mag and Sturdy Stalk in the same watering.
Keep your plants productive and green with Cal-Mag, a calcium and magnesium supplement from Emerald Harvest. Containing top-quality ingredients, Cal-Mag is designed to nourish crops with extra calcium and magnesium and create the right conditions for abundant flowering and a heavy yield by utilizing its 2-0-0 NPK. This is especially important when growing in some media, such as coco coir, but any garden can benefit. Use Cal-Mag as a supplement to a base nutrient series for guaranteed professional results.
Why Use Cal-Mag 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
What Makes it Work?
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 biocatalysts
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 garden.
Greener gardens
Promotes chlorophyll production for more efficient photosynthesis.
Cal-Mag Application Rate: 2-5mL/Gal - Use when needed from early vegetative through late fowering phase. Recommended for use on water days only
Note: Do not use Cal-Mag and Sturdy Stalk in the same watering.