HPK 1 GALLON

HPK 1 GALLON

SKU: ROHPKG
$35.99Price

Roots Organics HPK liquid bloom booster features a combination of seabird guano and phosphate rock, renowned as unparalleled reserves of available phosphorus, combined with langbeinite, a powerful source of potassium and magnesium that is carefully mined from ancient sea beds in the desert of the American Southwest.

  • DERIVED FROM:

    Seabird guano, phosphate rock, and langbeinite

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