NPK Industries: Raw Soluble Carbon "Humic Acid"

Sale price$18.99
In stock
Commercial & ACMPR growers: Email us for wholesale orders


RAW HUMIC ACID: chelate RAW Humic Acid contains 59% Humic Acids derived from Leonardite which is the most concentrated, water Soluble humic acid product on the market today. In nature, humic acid has a buffering effect on the pH of soils. It can raise the pH of acid soils and lower the pH of alkaline soils. RAW Humic Acid is also great for hydroponics applications, especially when added to RO filtered water. RAW Humic acid is a natural chelator and is a beneficial supplement to all feeding schedules.

• 59% humic acids derived from Leonardite (organic matter)
• Completely water soluble
• Helps use available minerals more effectively
• Concentrated for less waste, easier use
• Full recipe book (online) provides suggested uses and combinations

Available in 2-oz (makes 200 gallons) and 8-oz sizes.

Recipe Book (PDF)
Feeding Schedule (PDF)

Add 1/8 to 1/4 tsp per gallon in reservoir for irrigation. Apply as needed.

Grower’s Tip:
Studies have shown that when used with seaweed extracts like RAW Kelp, this product is 50% more effective than when used alone, resulting in more mineral availability, larger root mass and rapid growth.

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