A unique 3-in-1 combination of potassium, magnesium and sulfur, Langbeinite is a naturally occurring source of these three vital plant nutrients. Potassium is essential for high quality fruit, magnesium is required for the synthesis of chlorophyll and sulfur is needed for enzyme activation.

Ingredients: Potassium magnesium sulfate

OMRI Approved (Organic Materials Review Institute)

CDFA Approved (Registered Organic Input Material)