Best Calcium Magnesium For Plants In July 2025

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 Buy Now	9.7 Buy Now
2	General Hydroponics CALiMAGic Quart Buy Now	9.5 Buy Now
3	Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, Quart (32 oz) Buy Now	9.1 Buy Now
4	Botanicare HGC732125 Cal-Mag Plus Calcium, Magnesium & Iron Plant Supplement 5-Gallon Buy Now	8.8 Buy Now

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

1

Buy Now

9.7/10 our score

Buy Now

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

2. General Hydroponics CALiMAGic Quart

2

Buy Now

9.5/10 our score

Buy Now

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

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

3

Buy Now

9.1/10 our score

Buy Now

• Bioactivated formula for optimal nutrient uptake: calcium and magnesium, micro-chelated with fulvic acid, if you google it youll see why thats good
• Compatible with any nutrient system: 100% compatible with other nutrient systems, and can help make other minerals more bio-available
• Contains more micronutrients than any other brand: iron (fe), zinc (zn), boron (b), copper (cu), manganese (mn), molybdenum (mo), sulfur (s)
• 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
• 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

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

4

Buy Now

8.8/10 our score

Buy Now

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