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Humax (Gallon) - PSA800

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$14.99
  • Qualifies for $11.99 per package flat rate shipping in the Continental US.
  • Not registered for sale in: AK, AR, CO, IL, IN, IA, KY, ME, MD, MI, MN, MS, MT, NE, NH, NC, ND, OH, OK, PA, RI, SD, TN, UT, VA, WV, WI, WY
  • In stock. Ships from our warehouse in Northern California.

Humic Acid to Stimulate Growth and Uptake. Plant growth stimulant and enhancer. Really performs when used in foliar feeding solutions with other nutrients. Rates of 16-32 oz/acre or 1 tbs/gal will stimulate plant growth and increase yields. Rates of 4-16 oz/acre will increase uptake of foliar nutrients, especially Ca, P, Mg and Fe.

Humax enhances cell permeability, increases oxygen availability and reduces the surface tension of spray water (which boosts the effectiveness of foliar feeds).



Humax is applied to soils in water or fertilizer solutions at 32-64 oz/acre to reduce soil compaction and promote root growth. Many growers band it under seeds to enhance germination at 12-24 oz/acre. Humax can also be used at 1 oz/gal as a dip for transplants to stimulate root activity, reduce transplant shock and as a seed soak.



Contains 12% humic acid. See also Micro Hume, in the Liquid Fertilizers section.

Important Information for Certified Organic Growers

We do our best to update our product's organic status, however the status of any product can change at anytime without notice from the manufacturer. Please confirm that the product is allowed by your certifying agency and that it's still OMRI Listed® at www.omri.org

We do our best to update our product's organic status, however the status of any product can change at anytime without notice from the manufacturer. Please confirm that the product is allowed by your certifying agency and that it's still on CDFA's organic input material list at cdfa.ca.gov

We do our best to update our product's organic status, however the status of any product can change at anytime without notice from the manufacturer. Please confirm that the product is allowed by your certifying agency and that it's still on WSDA's organic materials list at agr.wa.gov

  • Item Model Number: PSA800
  • Shipping Dimensions: 10.25 x 7 x 5 inches
  • Shipping Weight: 12 pounds
  • Product Label: Humax (Gallon) Label - 669kb
  • Materials Safety Data Sheet (MSDS): Humax (Gallon) MSDS - 8kb

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(888) 784-1722
Free Seed Packs on Orders Over $50, See promotion page for details

404 - Page not found!

This is not the page you're looking for.

The page you requested was not found, and we have a fine guess why.
  • If you typed the URL directly, please make sure the spelling is correct.
  • If you clicked on a link to get here, the link is outdated.
What can you do?
Have no fear, help is near! There are many ways you can get back on track.

Free Seed Packs

With Online Orders

  • 2 free seed packs on orders of $50
  • 5 free seed packs on orders of $100

Browse Peaceful Valley Organic Vegetable Seed Packs

Grow Organic

  • For a healthy and safe food supply
  • For a clean and sustainable environment
  • For an enjoyable and rewarding experience

For Life!

Weekly Newsletter

  • Garden Tips and Tricks
  • Video How-To's
  • Exclusive Coupons

You may also be interested in

Free Seed Packs

With Online Orders

  • 2 free seed packs on orders of $50
  • 5 free seed packs on orders of $100

Browse Peaceful Valley Organic Vegetable Seed Packs

Grow Organic

  • For a healthy and safe food supply
  • For a clean and sustainable environment
  • For an enjoyable and rewarding experience

For Life!

Weekly Newsletter

  • Garden Tips and Tricks
  • Video How-To's
  • Exclusive Coupons