Hydrofarm HNMB405 Humboldt Nutrients Master-B, 1 qt HNMB405 or Humboldt Nutrients

Humboldt Nutrients Master-B, 1 qt HNMB405 | Humboldt Nutrients

Humboldt Nutrients

$18.90
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SKU:
HNMB405
Weight:
2.57 LBS
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NPK 1-5-6

Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made with non-toxic, high quality ingredients.

Humboldt Nutrients has formulated this vigorous 2-part nutrient solution for use on

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