Langbeinite 0-0-22 Fertilizer
Best mineral-based supplement for gardeners needing balanced potassium, magnesium, and sulfur.
Grow Organic's Langbeinite 0-0-22 Fertilizer is a premium choice for gardeners seeking a balanced nutrient solution. This mineral-based fertilizer delivers potassium, magnesium, and sulfur in a single, uniform particle, ensuring even distribution and optimal plant uptake. Its neutral pH won't alter soil acidity, and the low chloride content minimizes the risk of fertilizer burn. While fully water-soluble, its slower dissolving nature is ideal for general field applications or mixing into container soil, providing essential secondary nutrients for robust plant growth.
$16.99
Owner Satisfaction
4.6
/ 5
Category Rank
1928
/ 4348
#1928 in Fertilizers
Price vs Category Average
-72%
Below average
Guaranteed analysis
222210.8
/ Soluble potash–%; Sulfur–%; Magnesium–%
Who it's for
- Gardeners seeking balanced mineral support for high-quality fruit production
- Container gardeners growing sensitive plants prone to fertilizer burn
- Organic growers needing certified inputs for sustainable soil health
Who should skip it
- Gardeners wanting an all-in-one fertilizer for complete plant nutrition
- Budget-conscious growers prioritizing low-cost conventional potassium sources
- Farmers requiring immediate nutrient availability for rapid growth cycles
Performance breakdown
Nutrient Density
Delivers a potent, balanced trio of essential secondary plant nutrients.
Soil Safety
Neutral pH and low chloride content protect delicate root systems.
Application Versatility
Performs reliably in both large field plots and small containers.
Release Consistency
Slow-release granular form ensures steady, long-term nutrient availability for plants.
Ease of Distribution
Uniform particle size allows for precise and even soil coverage.
Mineral Purity
High-quality mineral source provides clean, reliable nutrition for organic gardening.
Key Specs
Guaranteed analysis
Soluble potash–22%; Sulfur–22%; Magnesium–10.8%
Weight
5 lb
pH
Neutral
Derived from
sulfate of potash-magnesia
Maximum chlorine content
less than 3.0%
Application rate for containers
1 Tablespoon per gallon of soil
Fertilizer Source
Mineral Based
Nitrogen Percentage
0.0%
Features
- Uniform nutrient distribution in each particle.
- Neutral pH protects soil balance.
- Low chloride content prevents fertilizer burn.
- Totally water-soluble for easy uptake.
- Ideal for field or container use.
- Provides essential sulfur and magnesium.
- Mineral-based for reliable nutrition.
What customers say
Customers consistently praise this Langbeinite fertilizer for its noticeable impact on plant vitality and yield, especially in vegetable gardens and fruit trees. Reviewers frequently highlight the high quality of the granular formulation, noting its slow release properties prevent nutrient burn, making application straightforward even for novice gardeners. The primary sentiment revolves around its effectiveness as a gentle yet powerful source of potassium and magnesium. Many users feel the product offers excellent value, justifying the price point through superior results compared to synthetic alternatives. This reliability and proven performance establish it as a trusted staple for organic growers seeking robust plant health.
Know before you buy
This fertilizer provides a guaranteed analysis of 22% soluble potash, 22% sulfur, and 10.8% magnesium. It contains no nitrogen or phosphorus, making it a specialized supplement for plants that need a boost in these specific secondary nutrients.
No, this product has a neutral pH. It is designed to provide essential minerals without altering the existing acidity or alkalinity of your soil.
Yes, this fertilizer is formulated with a low chloride content of less than 3.0%. This significantly reduces the risk of fertilizer burn, making it a safer option for salt-sensitive plants compared to standard potassium fertilizers.
For container gardening, the recommended application rate is 1 tablespoon per gallon of soil. Because it is a granular, slow-release product, you can mix it directly into your potting medium for steady nutrient availability.
While the nutrients are fully water-soluble for easy plant uptake, the granular form is designed to dissolve slowly. This provides a more consistent, long-term supply of nutrients rather than a rapid, short-lived flush.
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$17