• Humboldt County's Own Magnum
  • Humboldt County's Own Magnum, 2.5 Gallon
  • Humboldt County's Own Magnum, 5 Gallon
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Humboldt Countys Own

Humboldt County's Own Magnum

Humboldt County's Own Magnum

$31.05
$31.05
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Humboldt County's Own Magnum is a high potency Magnesium/Sulfur boost with Vitamin B1. The Magnesium guarantees an ample supply for chlorophyll synthesis and the B1 helps mitigate the stress caused by high performance bloom regimens. Works well with all popular base nutrients.