Lotus
Lotus Pro Series CalMag
Best calcium and magnesium supplement for coco coir cultivators.
The Lotus Pro Series CalMag is formulated to deliver essential secondary nutrients, calcium and magnesium, in highly absorbable forms. This supplement is specifically designed to support balanced and robust growth, making it integral for cultivators using coco-based growing mediums. Users should note that the nutrient blend may present with a moist, kinetic sand-like consistency upon opening. This appearance is normal and does not compromise the product's solubility or performance, reflecting the complexity of the blend engineered for superior harvest quality.
$14.95
Owner Satisfaction
4.6
/ 5
Category Rank
1939
/ 4425
#1939 in Fertilizers
Price vs Category Average
-76%
Below average
Product Type
Secondary Nutrient Supplement
/ Secondary Nutrient Supplement
Who it's for
- Professional growers managing rapid plant development and nutrient uptake
- Space-conscious gardeners preferring compact, shelf-stable dry supplements
- Lotus system users seeking simplified, consistent feeding schedules
Who should skip it
- Growers wanting a quick, dump-and-stir mixing process
- Beginners struggling with precise nutrient solution monitoring
- Gardeners using alternative base nutrient brands
Performance breakdown
Coco Coir Compatibility
Engineered specifically to bridge nutrient gaps in coco-based growing systems.
Nutrient Bioavailability
Highly absorbable forms ensure plants receive essential calcium and magnesium quickly.
Solubility Efficiency
Dissolves cleanly despite the unique, kinetic sand-like texture of the blend.
Growth Support
Promotes robust structural development and balanced plant health throughout the cycle.
Harvest Quality Impact
Complex nutrient profile directly contributes to superior final crop density.
Ease of Handling
Moist consistency requires careful measurement compared to standard dry powders.
Key Specs
Product Type
Secondary Nutrient Supplement
Primary Function
Source of readily absorbed Calcium and Magnesium
Recommended Medium
Essential for coco based grows
Features
- Provides two most readily absorbed secondary nutrients
- Integral for achieving balanced and healthy plant growth
- Specifically formulated for optimal performance in coco coir systems
- Complex nutrient blend designed for the strongest harvest quality
- Normal consistency resembles moist kinetic sand, ensuring high solubility
What customers say
Consumers consistently highlight the exceptional quality and reliability of the Lotus Pro Series CalMag. Growers appreciate its effectiveness in quickly addressing common calcium and magnesium deficiencies, resulting in noticeably healthier and more vigorous plant growth. A major theme is the product's ease of use; it mixes seamlessly into nutrient solutions without sedimentation, simplifying the feeding schedule. This dependable performance establishes the CalMag as a highly valued component for cultivators prioritizing consistent, robust results.
Know before you buy
The moist, kinetic sand-like consistency is a normal characteristic of this specific nutrient blend. It does not indicate that the product is spoiled or damaged, and it will dissolve completely when mixed into your nutrient solution.
While this product is specifically engineered to address the unique nutrient demands of coco coir, it can be used in other mediums. However, it is most essential for coco-based grows where calcium and magnesium deficiencies are more common.
This supplement provides highly absorbable calcium and magnesium, which are critical secondary nutrients. Using it helps prevent common deficiencies, supporting more robust plant structure and higher-quality harvests.
No, the Lotus Pro Series CalMag is designed for high solubility. Despite its unique texture, it is formulated to integrate seamlessly with your existing nutrient regimen without causing clumping or solubility issues.
Unlike many liquid alternatives, this is a complex, concentrated blend designed for maximum absorption. Its unique physical state is a result of the specific nutrient profile chosen to support vigorous growth and harvest quality.
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