Pay in 4 interest-free payments of $8.29 Learn more
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USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Oct 27 - Nov 1
Pay in 4 interest-free payments of $8.29 Learn more
Ships within 48 hours · Estimated delivery Oct 27 - Nov 1
or the flowering
You’ll Maximize Your Root Zones For Stronger Plants
Used moderately during early flowering
APPLICATION RATE
Humboldt County's Own Magnum Propagation or the floweringHumboldt 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.