Down To Earth Langbeinite (Sul-Po-Mag) - 50 lb Growing M&P Magnesium (Mg) : 1

Magnesium (Mg) : 1

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3 years @ 10 tests per day

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Down To Earth Langbeinite (Sul-Po-Mag) - 50 lb Growing M&P Magnesium (Mg) : 1A 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.