Lotus CalMag
Best nutrient supplement for coco coir growers seeking optimal plant health.
Elevate your plant's health with Lotus CalMag, a premium supplement designed for optimal growth, especially in coco coir environments. This readily absorbed formula delivers essential calcium and magnesium in a perfect 4:1 ratio, effectively combating deficiencies and preventing nutrient lockout. It's ideal for pre-treating coco media to remove unwanted sodium and chloride, ensuring a clean start for your plants. Whether applied to the root zone or as a foliar spray, Lotus CalMag promotes balanced development and vibrant plant life. Its unique blend may result in a moist texture, but performance remains unaffected.
$45.99
Owner Satisfaction
4.5
/ 5
Category Rank
3101
/ 4449
#3101 in Fertilizers
Price vs Category Average
-25%
Below average
Nutrient Ratio
41
/ : Calcium to Magnesium
Who it's for
- Gardeners managing nutrient deficiencies in demanding growth environments
- Hydroponic growers needing clog-free, easy-to-mix nutrient delivery
- Coco coir users preventing substrate nutrient lockout
Who should skip it
- Beginners seeking an all-in-one primary fertilizer solution
- Growers using base nutrients already rich in calcium and magnesium
- Cultivators who prefer to avoid frequent pH monitoring and adjustment
Performance breakdown
Coco Coir Compatibility
Engineered specifically to neutralize sodium and chloride in coco media.
Nutrient Absorption Rate
Readily available formula ensures plants access secondary nutrients without delay.
Deficiency Prevention
The precise 4:1 ratio effectively eliminates common calcium and magnesium gaps.
Application Versatility
Seamlessly transitions between root zone feeding and foliar spray applications.
Solubility Efficiency
Water-soluble powder dissolves quickly for consistent, clog-free irrigation system use.
Formula Stability
Moist texture can be slightly messy despite maintaining high chemical efficacy.
Key Specs
Nutrient Ratio
4:1 Calcium to Magnesium
Package Size
30 oz
Fertilizer Form
Water Soluble Powder
Fertilizer Type
Secondary Nutrient Supplement
Fertilizer Source
Mineral Based
Application Method
Foliar Spray
Organic Certified
No
Season of Application
All Season
Features
- Provides essential calcium and magnesium
- Optimized 4:1 nutrient ratio
- Prevents nutrient lockout in coco coir
- Flushes coco coir of sodium and chloride
- Versatile foliar or root application
- Supports balanced plant development
- Readily absorbed secondary nutrients
- Ideal for coco-based grows
What customers say
Lotus CalMag is consistently praised for its exceptional quality and reliability. Growers report significant improvements in plant health and structure, noting its effectiveness in addressing nutrient deficiencies. The product integrates seamlessly into existing feeding schedules, mixing easily without clogging systems. This dependable performance makes it a valuable staple for cultivators seeking consistent results and robust growth. Its ease of use and reliable outcomes are key highlights for those aiming for optimal plant development.
Know before you buy
Coco coir has a natural tendency to bind with calcium and magnesium, which can lead to nutrient lockout. Lotus CalMag provides a concentrated 4:1 ratio to satisfy the medium's high demand for these minerals while flushing out residual sodium and chloride.
Yes, this formula is versatile and can be applied either as a root drench or a foliar spray. Foliar application is an effective way to quickly correct minor deficiencies or provide a rapid nutrient boost to your plants.
Yes, the unique mineral composition of Lotus CalMag can result in a slightly moist texture. This does not affect the product's performance, solubility, or nutrient efficacy.
No, Lotus CalMag is a mineral-based, quick-release supplement. It is designed for growers who prioritize precise, readily available nutrient delivery over organic certification.
This specific ratio is engineered to mirror the uptake requirements of most plants, ensuring that neither nutrient interferes with the absorption of the other. It helps prevent common deficiencies that lead to stunted growth or yellowing leaves.
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$46