Best Calcium Magnesium For Plants In May 2025

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Choosing the Best Calcium Magnesium For Plantsmay be challenging as you have to screen through the large amount of similar products available on the market. Don’t worry though; we have got our hands on 10 trendy and top rated products and below is our recommendation.

To help you in your search, we have completed this list of the Best Calcium Magnesium For Plants.

Top Rated Best Calcium Magnesium For Plants Of 2025

Rank Product Name Score
1
Advanced Nutrients 6360-12 Sensi Cal Mag Xtra, 250 mL.250 Liter, Brown/A
Advanced Nutrients 6360-12 Sensi Cal Mag Xtra, 250 mL.250 Liter, Brown/A
9.7
2
General Hydroponics CALiMAGic Quart
General Hydroponics CALiMAGic Quart
9.5
3
Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, Quart (32 oz)
Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, Quart (32 oz)
9.1
4
Botanicare HGC732125 Cal-Mag Plus Calcium, Magnesium & Iron Plant Supplement 5-Gallon
Botanicare HGC732125 Cal-Mag Plus Calcium, Magnesium & Iron Plant Supplement 5-Gallon
8.8

1. Advanced Nutrients 6360-12 Sensi Cal Mag Xtra, 250 mL.250 Liter, Brown/A

1
9.7/10 our score

  • Advanced nutrients brand
  • Comes in 250ml size
  • No assembly required
  • Will work in soil or hydroponics

2. General Hydroponics CALiMAGic Quart

2
9.5/10 our score

  • Will not clog spray lines or drip emitters and can be used in reservoirs combined with many other fertilizers
  • Calimagic 1-0-0 is a concentrated blend of readily available calcium and magnesium
  • Prevents secondary nutrient deficiencies in fast growing plants
  • Contains an npk of 1-0-0
  • Helps prevent blossom end rot and tip burn in tomatoes, lettuce, and other calcium intensive plants

3. Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, Quart (32 oz)

3
9.1/10 our score

  • Contains no harmful edta: unlike other brands, bloom city uses organic chelates and never uses chemicals like edta, healthier for your garden and healtier for the planet. we choose only the highest quality ingredient sources and manufacturing methods to create the worlds best craft growing nutrient systems
  • Contains more micronutrients than any other brand: iron (fe), zinc (zn), boron (b), copper (cu), manganese (mn), molybdenum (mo), sulfur (s)
  • Compatible with any nutrient system: 100% compatible with other nutrient systems, and can help make other minerals more bio-available
  • Bioactivated formula for optimal nutrient uptake: calcium and magnesium, micro-chelated with fulvic acid, if you google it youll see why thats good
  • Prevents common growth deficiencies: apply cal-mag in every stage of growth for strong stalk and leaf health. apply with every watering for the full benefit

4. Botanicare HGC732125 Cal-Mag Plus Calcium, Magnesium & Iron Plant Supplement 5-Gallon

4
8.8/10 our score

  • Highly beneficial calcium, magnesium, iron and trace mineral plant nutrient supplement
  • Helps with calcium, magnesium and iron deficiencies in nutrient fertilizer programs
  • Cal mag plus 2-0-0 is custom designed
  • Container's measure 10-2/5-inch length by 11-inch width by 13-4/5-inch height
  • This product available in 5-gallon

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