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.
Delivery
All orders within the USA are shipped via UPS at the following rates (you will have the option to select your rate when placing an order):
- Free Standard (1-5 business days) — Free (orders over $100)
- Standard (1-5 business days) — $5.95
- Next Day Air (1 business day) — $18.95
