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Yard Mastery’s 12% Humic Acid Liquid Fertilizer delivers a powerful bio-stimulant formula designed to enhance root growth, chlorophyll content, nutrient uptake, and soil structure. With one gallon covering an impressive 14,222 square feet, this liquid fertilizer is ideal for professionals and enthusiasts aiming for a vibrant, healthy lawn with improved plant quality and resilience.






| 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
2 months ago
1 month ago