EB Stone Sul Po Mag
Best organic mineral supplement for gardeners seeking balanced soil nutrients.
This naturally occurring mineral amendment delivers a vital boost of sulfur, potassium, and magnesium to your soil. It is a straightforward, effective way to correct nutrient deficiencies and support robust plant development throughout the growing season.
$11.09
at
Store
Who it's for
- Organic gardeners seeking balanced soil nutrients without chemical additives
- Growers managing active nutrient deficiencies in fruit and vegetable crops
- Hobbyists growing salt-sensitive plants like berries, avocados, or grapes
Who should skip it
- Users sensitive to airborne particles or those without protective masks
- Inexperienced gardeners who skip soil testing before adding concentrated minerals
- Gardeners in humid climates with limited airtight storage options
Performance breakdown
Nutrient Density
Delivers a potent, concentrated punch of three critical plant-building minerals.
Soil Solubility
Crystalline structure breaks down efficiently for rapid root zone absorption.
Application Versatility
Works seamlessly across diverse garden beds, shrubs, and container plants.
Ingredient Purity
Sourced from natural langbeinite with minimal processing or synthetic additives.
Ease of Distribution
Granular texture allows for consistent, even spreading by hand or spreader.
Deficiency Correction
Rapidly addresses yellowing leaves and stunted growth caused by mineral gaps.
Key Specs
Weight
7 lbs
Material
Langbenite (Sulfate of Potash Magnesia)
Nutrients
Sulfur, Potassium, Magnesium
Form
Crystalline
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