Growth Science Organics Humic Tonic
Best organic soil amendment for gardeners seeking improved nutrient uptake.
Enhance your soil's vitality with Growth Science Organics Humic Tonic. This premium liquid concentrate is derived from ancient leonardite deposits, rich in humic acids that naturally boost soil health and fertility. It improves soil structure, enhances biological activity, and makes nutrients more accessible to plants. Certified organic and suitable for organic growing practices, this tonic is a natural solution for promoting robust plant development and overall plant health. Easily incorporated into your routine, it's designed to enrich your soil and support thriving plant life.
$50.14
Owner Satisfaction
4.6
/ 5
Category Rank
1791
/ 4425
#1791 in Fertilizers
Price vs Category Average
-19%
Below average
Who it's for
- Growers aiming for improved soil structure and microbial health
- Gardeners seeking maximum nutrient absorption efficiency
- Organic cultivators avoiding synthetic additives
Who should skip it
- Budget-conscious growers wanting to minimize feeding schedule complexity
- Beginners looking for a simple, all-in-one nutrient solution
- Users concerned about potential staining on equipment or clothing
Performance breakdown
Soil Bio-Activation
High-grade leonardite base effectively stimulates essential soil microbial communities.
Nutrient Bioavailability
Chelating properties significantly improve plant access to locked-out soil nutrients.
Application Efficiency
Concentrated liquid formula integrates seamlessly into existing irrigation or feeding schedules.
Organic Integrity
Rigorous CDFA and WSDA certifications ensure compliance for strict organic growers.
Soil Structure Impact
Consistent use promotes better aeration and moisture retention in dense soils.
Concentration Potency
Five percent humic acid content provides a balanced, effective dosage per application.
Key Specs
5% Humic Acids
Volume
2.5 gallons
Brand
Growth Science
Item Form
Liquid Concentrate
Fertilizer Source
Organic
Organic Certified
Yes
UPC
855275005638
Package Dimensions
14.2 x 8.3 x 7 inches
Features
- Improves soil fertility and structure
- Enhances beneficial soil biology
- Derived from natural leonardite
- Concentrated liquid for easy application
- Increases nutrient uptake
- Supports soil microbial communities
- CDFA registered organic input material
- WSDA & CleanGreen Certified
What customers say
Users consistently highlight the Humic Tonic's effectiveness in boosting plant health, noting significant improvements in nutrient absorption and root development. A key attraction is the high quality of the organic ingredients. Application is simple, allowing for easy integration into existing feeding schedules. This product is regarded as a reliable and essential amendment that delivers clear, tangible results for growers prioritizing organic solutions.
Know before you buy
Humic Tonic improves soil structure and increases the bioavailability of nutrients, making it easier for your plants to absorb what they need to thrive. It also supports beneficial microbial life, which is essential for long-term soil health.
Yes. Growth Science Organics Humic Tonic is CDFA registered, WSDA certified, and CleanGreen certified, making it a reliable choice for organic growing practices.
As a concentrated liquid, it is designed for easy mixing into your existing feeding routine. You can dilute it according to the label instructions and apply it directly to your soil or growing medium.
This tonic is derived from ancient leonardite deposits. Leonardite is a highly concentrated, natural source of humic substances that are widely recognized for their ability to improve soil fertility.
While humic acids can have a mild buffering effect on soil, this product is primarily intended to improve soil structure and nutrient uptake rather than act as a pH adjuster. It is best to monitor your pH levels separately if you are growing in a sensitive environment.
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