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🌿 Elevate your lawn game with nature’s ultimate root fuel!
Yard Mastery’s 12% Humic Acid Liquid Fertilizer is a premium bio-stimulant designed to enhance root growth, nutrient uptake, and soil structure. One gallon covers over 14,000 sq ft, delivering all-season improvements in chlorophyll content, water retention, and overall plant quality. Perfect for professionals and DIY lawn enthusiasts seeking a greener, healthier turf with proven, science-backed results.






| ASIN | B09J1H67MW |
| Best Sellers Rank | #46,850 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,212 in Garden Fertilizers |
| Brand | Yard Mastery |
| Brand Name | Yard Mastery |
| Coverage | 14,222 square feet |
| Customer Reviews | 4.6 out of 5 stars 108 Reviews |
| Included Components | Humic Acid for Lawns |
| Item Form | Liquid |
| Item Weight | 6 Ounces |
| Liquid Volume | 128 Fluid Ounces |
| Manufacturer | Greene County Fertilizer |
| Mixing Ratio | 1:0:0 |
| Model Number | HUM-GAL |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | YM-HUM |
| Specific Uses For Product | Lawns |
| Target Species | lawns |
| Unit Count | 128 Fluid Ounces |
A**R
use it
Great stuff.
D**A
always apply before a rain so it soaks into the soil. Becareful spraying because it will stain
Makes the grass greener and healthier.
R**R
Great product and works like it says
This is a great product and highly recommend.
T**X
Very good addition to fertilizer program
Helps your lawn absorb more nutrients. Also noted the lawn doesn't feel rock hard to walk on it, helping with decompaction. I get bigger amount so I can do couple of treatments throughout the year. Highly recommended.
G**G
Excellent Customer Service
Kirstin provided outstanding customer service. Very pleased and will continue to use their products.
S**C
Lawn is still green despite the heatwave
Putting this down with some sea kelp.
G**Y
The best.
N-Ext makes the best lawn ferts. That's all I'm going to say about that. Don't believe me, just ask the Lawn Care Nut.
C**T
Doesn’t hurt anything
not sure if it’s helping any but it definitely didn’t hurt anything I use quite a bit of organic fertilizer and different products so just adding one is hard to tell if that one product is making a difference. But my grass is very green and thick. I have a very small 600 square-foot yard so one bottle last me quite a long time usually add at the beginning of spring
Trustpilot
1 month ago
1 month ago