Product Overview
Down To Earth Langbeinite (Sul-Po-Mag) | 5 lbs
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.
Contains 22% K2O, 11% Mg and 22% S.