| Brand | PowerGrow Systems |
|---|---|
| Type | Fertilizer |
| MPN | LANGBEINITE-5LB |
| Country/Region of Manufacture | United States |
| Material Basis | Organic |
| UPC | 600150826163 |
Check the listing for details. LANGBEINITE - Sulfate of Potash Magnesia (K-MAG) Organic 0-0-22Fertilizer - 5lbs. Condition: New. Listed at 17.95 USD. Langbeinite Organic Fertilizer (NPK of 0-0-22) (AKA Sulfate of Potash Magnesia K-MAG) is a naturally mined crystalline mineral that supplies the water-soluble sulfate form of three vital plant nutrients: potassium, magnesium and sulfurs.