Botanicare Cal-Mag Plus


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Botanicare Cal-Mag Plus (2-0-0) is a highly fortified calcium, magnesium and iron plant supplement formulated to correct common deficiencies. Supplementing your preferred nutrient program with Cal-Mag Plus is strongly recommended when using reverse osmosis water and when growing in coco coir based medias to compensate for natural calcium draw. Cal-Mag Plus can also be applied as a foliar spray to further enhance growth.


  • Prevents blossom end rot in tomatoes and peppers and tip burn in lettuce and cabbage
  • Prevents dry and withered flower and fruit sets.
  • Prevents interveinal chlorosis, stunted growth rates, and upward leaf curl
  • Increases cell division and plant tissue development
  • Increases flower and fruit sets
  • Increases water, nutrient, and carbon dioxide uptake
  • Increases growth rates and crop maturity

Guaranteed Analysis
Total Nitrogen (N)………2.0%
2.0% Nitrate Nitrogen
Calcium (Ca)………3.2%
Magnesium (Mg)………1.2%
1.2% Water Soluble Magnesium (Mg)
Iron (Fe)………0.1%
0.1% Chelated Iron (Fe)
Derived from calcium nitrate, magnesium nitrate, iron EDTA.

Application Rates
Soil Containers Gardens:
Use 1 tsp (5 ml) per gallon (4 l) of water.
Accelerated Formula: Use 2 tsp (10 ml) per gallon (4 l) of water.
Hydroponics: Use with preferred hydroponic formula.
Desired Range of Nutrients:

  • Nitrogen (N)1 160–250 ppm
  • Calcium (Ca) 160–280 ppm
  • Magnesium (Mg) 45–75 ppm
  • Iron (Fe) 2–7 ppm

For Best Results: Use with every watering with standard fertilizer program. The recommended application rate is normally sufficient to make up for any deficiencies in most soil or hydroponic formulas.
Note: In hydroponics, iron falls out of the solution relatively fast due to use of magnetic drive pumps without grounding probes and high levels of dissolved oxygen from air stones and pumps.

Click Here To Learn More About Cal-Mag Supplements Courtesy of Maximum Yield Magazine

Additional information

Weight N/A
Dimensions N/A

1 quart, 1 gallon, 2.5 gallons, 5 gallons


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