Aptus Mineral Cal Mag
Best calcium-magnesium supplement for professional soilless and hydroponic growers.
This is the gold standard for stabilizing nutrient solutions in coco and rockwool. While it demands a bit more precision than all-in-one additives, the trade-off is a remarkably stable tank that prevents common deficiencies and fuels explosive root growth.
$25.00
at
Aptus
Who it's for
- Cultivators aiming for stronger stems and higher quality floral yields
- Growers seeking rapid nutrient uptake for faster plant development
- Indoor gardeners using coco coir or reverse osmosis water systems
Who should skip it
- Gardeners preferring a low-maintenance, set-it-and-forget-it reservoir routine
- Novice growers struggling with complex nutrient mixing and monitoring
- Commercial farmers managing tight budgets for large-scale operations
Performance breakdown
Nutrient Stability
Maintains chemical integrity in reservoirs for over two weeks.
pH Buffering
Stabilizes feed water effectively across diverse cultivation systems.
Solubility
High-grade mineral formulation ensures zero clogging in irrigation lines.
Deficiency Prevention
Rapidly corrects calcium and magnesium gaps in soilless mediums.
System Compatibility
Seamlessly integrates with RO, soft, and municipal water sources.
Growth Efficacy
Promotes robust root development and structural integrity throughout flowering.
Key Specs
Form
Liquid Concentrate
Fertilizer Source
Mineral Based
Application Method
Soil Drench
Water Soluble
true
Target Plant Type
Vegetables, Houseplants, Acid-Loving Plants
Fertilizer Form
Liquid Concentrate
Season of Application
All Season
Shelf life
5+ years if stored properly
Compatibility
Compatible with all nutrient and cultivation systems
Recommended Application Rate
1.5 ml per 1 gallon (with 2-part NPK), 2.5 ml per 1 gallon (with BASE & municipal water), 3-4 ml per 1 gallon (with BASE and RO/Soft water)
Know before you buy
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Ask Metto anything about the Aptus Mineral Cal Mag before you decide.
