EB Stone Sul Po Mag
Top Pick
EB Stone

EB Stone Sul Po Mag

4.6

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

In stock

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.

Excellent

Soil Solubility

Crystalline structure breaks down efficiently for rapid root zone absorption.

Excellent

Application Versatility

Works seamlessly across diverse garden beds, shrubs, and container plants.

Excellent

Ingredient Purity

Sourced from natural langbeinite with minimal processing or synthetic additives.

Excellent

Ease of Distribution

Granular texture allows for consistent, even spreading by hand or spreader.

Good

Deficiency Correction

Rapidly addresses yellowing leaves and stunted growth caused by mineral gaps.

Excellent

Key Specs

Weight

7 lbs

Material

Langbenite (Sulfate of Potash Magnesia)

Nutrients

Sulfur, Potassium, Magnesium

Form

Crystalline

Know before you buy

Still have a question?

Ask Metto anything about the EB Stone Sul Po Mag before you decide.

EB Stone Sul Po Mag

Ready to buy?

Store
Store
In stock
$11.09
Buy