20 Best Cal Mag Supplement For Plants (2022 Updated)

A cal mag supplement for plants is a supplement that provides calcium and magnesium to plants. These two nutrients are essential for plant growth and development, and a lack of either can lead to stunted growth, yellowing leaves, and other problems.

A cal mag supplement can help to correct these deficiencies and promote healthy plant growth.

20 Best Cal Mag Supplement For Plants

1. CAL-MAG Plus Plant Supplement 2-0-0 Formula – 1 Gallon

CAL-MAG Plus Plant Supplement 2-0-0 Formula - 1 Gallon

  • Gallon

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Specifications

Details
Organic Yes
Container Size 1 gal.
Product Type Plant Supplement
Brand Name Botanicare

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scalinds

2. Black Magic Cal-Mag Supplement – 1 qt

Black Magic Cal-Mag Supplement - 1 qt

  • Designed to give your plants an extra boost of calcium and magnesium
  • 2-0-0 formula concentrate with 6.0% calcium and 1.2% magnesium
  • Designed to supplement Black Magic liquid nutrient program – not to be used as a standalone product
  • Can be used in drain-to-waste or recirculating hydroponic systems
  • Good for every stage of the growing process

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Specifications

Details
Active Ingredients Nitrogen, Phosphate
Compatible Grass Type All Purpose
Emergent Type Neither Pre nor Post Emergent
Liquid Fertilizer Type Liquid Plant Fertilizer
Longevity (weeks) 2

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ManhattanGal

3. Botanicare 10102-11402 Cal-Mag Plus Plant Supplement – 1 qt jug

Botanicare 10102-11402 Cal-Mag Plus Plant Supplement - 1 qt jug

  • Quart

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Details
Product Type Plant Supplement
Container Size 1
Brand Name Botanicare

4. General Hydroponics – CALiMAGic 6 Gal

General Hydroponics - CALiMAGic 6 Gal

  • 6 Gallon

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Weight 69.87 oz

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Walt

5. Advanced Nutrients – Sensi Cal-Mag Xtra 4 L

Advanced Nutrients - Sensi Cal-Mag Xtra 4 L

  • 4 L

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Specifications

Details
Length (in.) 8.06
Nutrient Application Hydroponic and Soil Nutrient
Nutrient Type Synthetic Based
OMRI Certified No
Nutrient Material Type Liquid

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rachel
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6. Seachem Flourish Tabs (10 Pack)

Seachem Flourish Tabs (10 Pack)

  • Gravel bed supplement for the planted aquarium
  • Provides micro elements, trace elements and other nutrients
  • Targets root zone

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Weight 0.1 lb

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7. Botanicare Cal-Mag Plus Plant Supplement 2-0-0 Formula, 1 Quart

Botanicare Cal-Mag Plus Plant Supplement 2-0-0 Formula, 1 Quart

  • Highly fortified calcium, magnesium, and iron plant supplement formulated to correct common deficiencies
  • Supplement your existing nutrient program with Cal-Mag Plus
  • To Use: Mix well and use with every watering, as needed, for enhanced growth apply as a foliar spray
  • For use in containers, coco, hydrogardens, and when growing in soil
  • Contains formulation of 2-0-0 NPK

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8. Jonathan Green 11353 Fertilizer Mag-I-Cal 5M

Jonathan Green 11353 Fertilizer Mag-I-Cal 5M

  • 5 m

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Central Sod
Esbenshade’s Garden Center

Product Details

Specifications

Details
Country of Origin Canada
Coverage Area 5000 Sq. Ft
Formulation 35% Calcium
Concentrate or Ready To Use Ready To Use
Product Form Granules

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Yard man
Leslie
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9. Botanicare Cal-Mag Plus, A Calcium, Magnesium, and Iron Plant Supplement, Quart

Botanicare Cal-Mag Plus, A Calcium, Magnesium, and Iron Plant Supplement, Quart

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10. AlgaeCal Plus Plant-Based Calcium Supplement with Magnesium, Boron, Vitamin K2 + D3 | Increase Bone Strength | All Natural Ingredients | Highly

AlgaeCal Plus Plant-Based Calcium Supplement with Magnesium, Boron, Vitamin K2 + D3 | Increase Bone Strength | All Natural Ingredients | Highly

  • 120 Count (Pack Of 6)

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Product Details

Specifications

Details
Count Per Pack 1
Count 1
Multipack Quantity 6
Assembled Product Weight 2.25 lb

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11. Natures Answer Cal-Mag, Plant Based, Vegetarian Capsules – 120 capsule

Natures Answer Cal-Mag, Plant Based, Vegetarian Capsules - 120 capsule

  • 120 Vegetarian Capsules

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Product Details

Specifications

Details
Units in Package 120
Directions Suggested Use: As a dietary supplement, take four (4) capsules once a day with food. Story in a cool, dry place.
Ingredients Other Ingredients: Vegetable (Capsule), Microcrystalline Cellulose, Calcium Silicate.
Warnings Keep out of reach of children. Do not use if safety seal is damaged or missing. If you are pregnant, nursing, taking any medications, planning any medical procedure or have a medical.
Serving Size 4 capsules

12. Lotus Nutrients Cal/Mag Pro Series | 120 oz

Lotus Nutrients Cal/Mag Pro Series | 120 oz

  • 120 oz

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Specifications

Details
Lead Time This product ships in 1-3 Business Days
Length (in.) 10
N-P-K 13 – 0 – 0
Nutrient Application Hydroponic and Soil Nutrient
Nutrient Material Type Powder

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Matthew T.
Stephen M.
Steven f.

13. Botanicare Cal-Mag Plus, A Calcium, Magnesium, and Iron Plant Supplement, Corrects Common Plant Deficiencies, Add to Water or Use As A Spray, 2-0-0

Botanicare Cal-Mag Plus, A Calcium, Magnesium, and Iron Plant Supplement, Corrects Common Plant Deficiencies, Add to Water or Use As A Spray, 2-0-0

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14. Garden of Life mykind Organics Plant Calcium Supplement Made from Whole Foods with Magnesium, Vitamin D As D3, and Vitamin K As MK7 for Bone Health,

Garden of Life mykind Organics Plant Calcium Supplement Made from Whole Foods with Magnesium, Vitamin D As D3, and Vitamin K As MK7 for Bone Health,

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Stephanie B.

15. Energetix – Phyto Cal-Mag Plus – 120 Capsules

Energetix - Phyto Cal-Mag Plus - 120 Capsules

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Supplement First
Forrest Health

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Specifications

Details
Serving Size 4 capsules

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J.A.
G.B.
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16. Global Healing – Intracal – 120 Capsules

Global Healing - Intracal - 120 Capsules

  • Healthy Bones & Teeth”
  • Cardiovascular Health
  • Balanced Calcium Intake
  • Pure 2:1 Form
  • Manufactured In The USA

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Global Healing
eVitamins.com
Discount Nutrition Shop

Product Details

Specifications

Details
Directions Take 2 capsules three times daily between meals or as recommended by your healthcare provider
Ingredients Calcium
Ingredients Magnesium
Ingredients Vegetable Capsule
Ingredients Organic Gum Acacia
Ingredients Organic Rice Hulls
Ingredients Fulvic Ionic Mineral Complex
Other
Form Capsules
Special GMO-Free
Special Vegan
Special Gluten-Free

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Fatima E.
Cindy M.
Shalamar W.

17. Garden of Life Vitamin Code Raw Calcium, Capsules – 120 count

Garden of Life Vitamin Code Raw Calcium, Capsules - 120 count

  • 120 Count

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The Vitamin Shoppe
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Specifications

Details
Rich Ingredients Vegetable cellulose (capsule), organic potato starch.
Ingredients Vegetable cellulose (capsule), organic potato starch.
Nutrition Claim Vegetarian
Nutrition Claim Kosher
Nutrition Claim Sustainable

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MZ

18. Garden of Life Kind Organics Plant Calcium, Organic, Vegan Tablets – 90 tablets

Garden of Life Kind Organics Plant Calcium, Organic, Vegan Tablets - 90 tablets

  • Promotes bone strength
  • Is easy to digest plant-sourced calcium, not made from crushed rocks
  • Reduces the risk of osteoporosis††
  • Organic Clean Tablets—No Magnesium Stearate (Vegetable Lubricant)

Product Details

Specifications

Details
Ingredients CLEAN TABLET TECHNOLOGY BLEND (PATENT PENDING): ORGANIC TAPIOCA DEXTROSE, ORGANIC GUM ARABIC, ORGANIC BROWN RICE (CONCENTRATE & EXTRACT), ORGANIC POTATO STARCH, ORGANIC COATING (ORGANIC TAPIOCA MALTODEXTRIN, ORGANIC SUNFLOWER LECITHIN, ORGANIC PALM OIL, ORGANIC GUAR GUM).
Other Information MADE IN THE U.S.A. FROM FOODS GROWN IN THE U.S.A. AND OTHER COUNTRIES.
Food Facts Organic
Food Facts Artificial Preservative Free
Food Facts Non GMO

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19. Advanced Nutrients Sensi Cal Mag Xtra-4L

Advanced Nutrients Sensi Cal Mag Xtra-4L

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20. Now Foods Cal-Mag Caps – 120 Capsules

Now Foods Cal-Mag Caps - 120 Capsules

  • Joint Health
  • Calcium, Magnesium And Trace Minerals Derived From Red Marine Algae
  • A Dietary Supplement
  • Vegetarian/Vegan
  • Family Owned Since 1968

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Product Details

Specifications

Details
Serving Size 2 Capsules
Servings Per Container 60
Vitamin D3 (as Cholecalciferol) 12.5 mcg (500 IU)
Zinc (from L-OptiZinc Monomethionine) 7.5 mg
Copper (from Copper AAC*) 0.5 mg

Conclusion

Based on the research that has been conducted, it appears that taking a calcium magnesium supplement can be beneficial for plants. The supplement provides the plants with the nutrients they need to grow and thrive.

Additionally, the supplement helps to improve the quality of the soil, making it more fertile and better able to support plant growth.

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