15 humic acid

15% Liquid Humic Acid

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Page 25 of OMRI Generic Material List

1 Quart, 1 Gallon, 5 Gallon, Pallet

What 15% Liquid Humic Acid Is

A-1 Organic Lawns 15% Humic Acid is soil conditioner in a bottle. It contains 12% shale, 88% water.

  • This liquid humic acid is derived from humic shale, which is a deposit of prehistoric plant derivatives.
  • An excellent soil builder to replace minerals in mineral deficient soils.
  • Root developer
  • Nutrient carrier
  • Enhances soil properties such as
      • Water holding capacity
      • Buffers pH
      • Temperature
      • Tilth
  • Excellent foliar feeding product

Where to Use

15% Humic Acid from A-1 Organic Lawns is used on lawns, farmers fields, and garden plots. It is great for:

  • Growing hay
  • Treating your lawn
  • Germinating helper


Rule of Thumb
1/4 tsp, 1/2 tsp, 3/4 tsp, or 1 tsp per gallon based on age of the plant.

Plant & Root Drenching and Deep Root Feedings
Dilute with water 40:1

Strong Mix 16ppm, Weak Mix 4 ppm

For professional and home/garden use. Can be safely mixed with most fertilizers.

In Young Plants & Starts
Use only enough product to color water.


1-3 gallons per acre