Pay in 4 interest-free payments of $8.29 Learn more
Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
Suitable for use with ultra-low volume application equipment
Comes in 1 inch in
Black color
99% of airborne pollen
Humboldt County's Own Magnum, 1 Gallon Replacement Probes Suitable for use with ultra-lowHumboldt County's Own Magnum is Magnesium and Sulfur Boost that your plants need! Photosynthesis is the process whereby the chlorophyll in the leaves converts sunshine and CO2 into sugars. It is the basis of ALL plant growth. No Magnesium, no chlorophyll, no photosynthesis. Sulfur aids in the formation of chlorophyll. MAGNUM is our high potency Magnesium Sulfur boost that will ensure an ample supply of Magnesium and Sulfur for chlorophyll synthesis.
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