Down to Earth Langbeinite Fertilizer
Best organic mineral supplement for professional growers and serious home gardeners.
This fine-milled mineral powder delivers a potent, immediate boost of potassium, magnesium, and sulfur directly to your plants. While it requires more hands-on mixing than granular options, the water-soluble formula is a game-changer for precision feeding through irrigation or foliar sprays.
$14.99
at
Grange Co-op
Who it's for
- Organic growers prioritizing sustainable and chemical-free soil inputs
- Gardeners seeking essential potassium, magnesium, and sulfur for plant health
- Owners of sensitive plants prone to fertilizer burn
Who should skip it
- Budget-conscious shoppers comparing costs against synthetic alternatives
- Gardeners needing a complete NPK fertilizer for initial growth
- Farmers requiring immediate correction for acute nutrient deficiencies
Performance breakdown
Nutrient Solubility
The 200 mesh powder dissolves rapidly for seamless fertigation system integration.
Organic Compliance
Dual OMRI and CDFA certification ensures strict adherence to organic standards.
Application Versatility
Easily transitions between drip irrigation, reservoir feeding, and foliar spray applications.
Nutrient Density
Delivers a potent, balanced trio of potassium, magnesium, and sulfur.
Plant Uptake Speed
Sulfate form provides immediate bioavailability for rapid plant nutrient absorption.
Ease of Mixing
Fine particle size prevents clogging in sprayers and irrigation emitters.
Key Specs
Guaranteed Analysis
Soluble Potash (K2O) 21.5%
Guaranteed Analysis
Magnesium (Mg) 10.8%
Guaranteed Analysis
Sulfur (S) 22.0%
Derived from
Langbeinite
Particle Size
200 mesh powder
Package Weight
5 LBS.
Form
Wettable Powder (Solution Grade)
Potassium Percentage
21.5%
Nitrogen Percentage
0.0%
Phosphorus Percentage
0.0%
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