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Cal-Mag

Groindoor.com features some of the finest Cal-Mag supplements to ensure your plants never face a Calcium or Magnesium deficiency. 

What are Cal-Mag Supplements? 

Ideal for both hydroponic and soil-based plants, Cal-Mag supplements make sure plants never run short on Calcium and Magnesium. It is recommended that these supplements should be coupled with a rather regular feeding schedule. It is no different than how humans should consume multivitamins to ensure a healthy macronutrient and micronutrient uptake. 

Benefits of Cal-Mag 

  • Increases cell wall strength  
  • Improves nutrient absorption 
  • Enhances plant growth 
  • Increases metabolism by activating plant enzymes  
  • Improves flowering, budding, and fruiting 

As a grower, you should always make sure that your plant gets enough Calcium and Magnesium. If you do not notice any signs of a deficiency, using these supplements can be harmful, so make sure you use them according to your plants’ needs. In certain situations, such as when you are using reverse osmosis water or when using purified water, using Cal-Mag supplements becomes mandatory. The same is the case if you are growing in coco air. 

Should Cal-Mag be Used During Flowering? 

Experts believe it should not even be a question. Cal-Mag is absolutely necessary for plants during the flowering stage, and it should not be ignored if you want healthy and beautiful flowers. 

Can Cal-Mag be used in Soil? 

While Cal mag is to be used when growing in coco, is it really the best idea to use it in soil growing? The answer is Yes. Calcium and Magnesium are nutrients that all plants require regardless of the growing setup. 

How to spot calcium and magnesium deficiencies? 

Before we get started, you should check our complete article on diagnosing nutrient deficiencies. Here are a few basic things that will help you spot a Calcium and Magnesium deficiency: 

  • Stunted growth 
  • Unhealthy and spotted growth on the plant’s leaves  
  • Leaves lose their color, becoming light green and ultimately yellow 
  • Compromised plant health starting from the root system and making its way to the top of the plant.  

Want to learn more about nutrients and pH? Check out our learning center or simply speak to one of our experts at 866-GRO-INDR! 

 

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  • General Organics CaMg+, 15 Gallon

    General Organics CaMg+, 15 Gallon

    General Organics

    MSRP: $813.65
    $419.15
    General Organics Product DocumentsGeneral Organics CaMg+ MSDSGeneral Organics CaMg+ Product Label Highly recommended for cuttings and transplants! CaMg+™ is the ideal supplement to provide a natural source of Calcium and Magnesium, critical elements in a...
    MSRP: $813.65
    $419.15
    Qty in Cart: 0
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    MSRP: $813.65
    $419.15
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  • Emerald Harvest Cal-Mag, 270 Gallon Emerald Harvest Cal-Mag, 270 Gallon - Nutrients

    Emerald Harvest Cal-Mag, 270 Gallon

    Emerald Harvest

    MSRP: $7,637.42
    $6,415.75
    Emerald Harvest Product Documents Emerald Harvest Cal-Mag MSDS 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,...
    MSRP: $7,637.42
    $6,415.75
    Qty in Cart: 0
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    MSRP: $7,637.42
    $6,415.75
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  • Emerald Harvest Cal-Mag 55 Gallon Emerald Harvest Cal-Mag 55 Gallon - Nutrients

    Emerald Harvest Cal-Mag 55 Gallon

    Emerald Harvest

    MSRP: $1,635.89
    $1,402.66
    Emerald Harvest Product Documents Emerald Harvest Cal-Mag MSDS 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,...
    MSRP: $1,635.89
    $1,402.66
    Qty in Cart: 0
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    MSRP: $1,635.89
    $1,402.66
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  • Emerald Harvest Cal-Mag, 6 Gallon Emerald Harvest Cal-Mag, 6 Gallon - Nutrients

    Emerald Harvest Cal-Mag, 6 Gallon

    Emerald Harvest

    MSRP: $254.00
    $177.37
    Emerald Harvest Product Documents Emerald Harvest Cal-Mag MSDS 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,...
    MSRP: $254.00
    $177.37
    Qty in Cart: 0
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    MSRP: $254.00
    $177.37
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  • Emerald Harvest Cal-Mag 2.5 Gallon Emerald Harvest Cal-Mag 2.5 Gallon - Nutrients

    Emerald Harvest Cal-Mag 2.5 Gallon

    Emerald Harvest

    MSRP: $141.09
    $108.37
    Emerald Harvest Product Documents Emerald Harvest Cal-Mag MSDS 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,...
    MSRP: $141.09
    $108.37
    Qty in Cart: 0
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    MSRP: $141.09
    $108.37
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  • Emerald Harvest Cal-Mag, 1 Gallon Emerald Harvest Cal-Mag, 1 Gallon - Nutrients

    Emerald Harvest Cal-Mag, 1 Gallon

    Emerald Harvest

    MSRP: $73.38
    $56.78
    Emerald Harvest Product Documents Emerald Harvest Cal-Mag MSDS 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,...
    MSRP: $73.38
    $56.78
    Qty in Cart: 0
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    MSRP: $73.38
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  • Emerald Harvest Cal-Mag, 1 Quart Emerald Harvest Cal-Mag, 1 Quart - Nutrients

    Emerald Harvest Cal-Mag, 1 Quart

    Emerald Harvest

    MSRP: $24.02
    $20.81
    Emerald Harvest Product Documents Emerald Harvest Cal-Mag MSDS 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,...
    MSRP: $24.02
    $20.81
    Qty in Cart: 0
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    MSRP: $24.02
    $20.81
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  • Botanicare Cal Mag Plus, 250 Gallon

    Botanicare Cal Mag Plus, 250 Gallon

    Botanicare

    MSRP: $10,082.74
    $6,168.76
    Botanicare Product Documents Botanicare Cal-Mag MSDS Botanicare Cal-Mag Feed Schedule Cal-Mag Plus is a specialized calcium, magnesium & iron, plant supplement designed to compensate for deficiencies in some commercial and hydroponic nutrient...
    MSRP: $10,082.74
    $6,168.76
    Qty in Cart: 0
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    MSRP: $10,082.74
    $6,168.76
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  • Botanicare Cal Mag Plus, 55 Gallon

    Botanicare Cal Mag Plus, 55 Gallon

    Botanicare

    MSRP: $2,371.69
    $1,522.21
    Botanicare Product Documents Botanicare Cal-Mag MSDS Botanicare Cal-Mag Feed Schedule Cal-Mag Plus is a specialized calcium, magnesium & iron, plant supplement designed to compensate for deficiencies in some commercial and hydroponic nutrient...
    MSRP: $2,371.69
    $1,522.21
    Qty in Cart: 0
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    MSRP: $2,371.69
    $1,522.21
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  • Botanicare Cal Mag Plus, 5 Gallon

    Botanicare Cal Mag Plus, 5 Gallon

    Botanicare

    MSRP: $240.04
    $161.54
    Botanicare Product Documents Botanicare Cal-Mag MSDS Botanicare Cal-Mag Feed Schedule Cal-Mag Plus is a specialized calcium, magnesium & iron, plant supplement designed to compensate for deficiencies in some commercial and hydroponic nutrient...
    MSRP: $240.04
    $161.54
    Qty in Cart: 0
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    MSRP: $240.04
    $161.54
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  • Botanicare Cal Mag Plus, 15 Gallon

    Botanicare Cal Mag Plus, 15 Gallon

    Botanicare

    MSRP: $710.33
    $471.16
    Botanicare Product Documents Botanicare Cal-Mag MSDS Botanicare Cal-Mag Feed Schedule Cal-Mag Plus is a specialized calcium, magnesium & iron, plant supplement designed to compensate for deficiencies in some commercial and hydroponic nutrient...
    MSRP: $710.33
    $471.16
    Qty in Cart: 0
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    MSRP: $710.33
    $471.16
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  • Botanicare Cal Mag Plus, 2.5 Gallon

    Botanicare Cal Mag Plus, 2.5 Gallon

    Botanicare

    MSRP: $127.76
    $95.71
    Botanicare Product Documents Botanicare Cal-Mag MSDS Botanicare Cal-Mag Feed Schedule Cal-Mag Plus is a specialized calcium, magnesium & iron, plant supplement designed to compensate for deficiencies in some commercial and hydroponic nutrient...
    MSRP: $127.76
    $95.71
    Qty in Cart: 0
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    MSRP: $127.76
    $95.71
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