Support stronger roots, improved nutrient uptake, and healthier soil with the N-Ext 0-0-1 RGS / 0-0-1 Humic-12 Combo. This five-gallon lawn care kit combines the root-supporting benefits of RGS Root Growth Stimulant with the soil health benefits of Humic-12.
Together, these liquid bio-stimulants are designed to support root development, stolons and rhizomes, soil structure, water retention, chlorophyll content, nutrient availability, and overall turf quality. The combo includes one 2.5-gallon bottle of RGS and one 2.5-gallon bottle of Humic-12 for a total of five gallons.
The N-Ext RGS / Humic-12 Combo includes two 2.5-gallon bottles:
RGS Label & Specs
Humic12 Label & Specs
The RGS / Humic-12 Combo combines root support with soil health support to create a more favorable growing environment for turfgrass.
RGS, or Root Growth Stimulant, contains sea kelp and chelating humic acid. It is designed to support root development as well as the growth of stolons and rhizomes. Stronger root systems help turfgrass access available water and nutrients more effectively.
Humic-12 is a concentrated humic acid bio-stimulant formulated to support overall soil health. Its 12% humic acid concentration helps support soil structure, nutrient availability, water retention, and overall plant quality.
Used together, RGS and Humic-12 help support both the root system and the soil environment surrounding it.
The N-Ext RGS / Humic-12 Combo can be used on labeled cool-season and warm-season grasses, including:
Always read and follow the individual product label for approved uses, application rates, and application timing.
Coverage is based on the lowest application rate. Always use the application rate and coverage information listed on the current product label.
What Is Included in the RGS and Humic12 5-Gallon Combo?
The RGS and Humic12 5-Gallon Combo Pack includes two 2.5-gallon bottles:
• 2.5 gallons of RGS
• 2.5 gallons Humic12
Together, these bio-stimulants are designed to support root growth and improve overall soil health.
What Are the Benefits of Using RGS and Humic12 Together?
RGS uses sea kelp hormones and humic acid to stimulate roots, stolons, and rhizomes. Humic12 is a concentrated humic-acid bio-stimulant designed to support soil structure, nutrient availability, water retention, and overall soil health. Used together, they can help promote stronger roots, improved nutrient uptake, and better turf quality.
How Do You Apply the 5-Gallon RGS and Humic12 Combo Pack?
Apply RGS at 6–9 ounces per 1,000 square feet and Humic12 at 3-9 ounces per 1,000 sq ft using a pump sprayer, battery sprayer, or hose-end sprayer. They can be mixed in your sprayer or applied separately. Water both products into the soil within 24 hours with approximately ¼ inch of rainfall or irrigation. Always follow the product labels for exact application instructions.
Is the RGS and Humic12 Combo Safe for All Grass Types?
Yes. The RGS and Humic12 Combo can be used on many cool-season and warm-season grasses, including Kentucky bluegrass, turf-type tall fescue, perennial ryegrass, bermudagrass, St. Augustinegrass, zoysiagrass, centipedegrass, and bahiagrass. Always follow the product labels for application rates, watering instructions, and use restrictions.
| Shipping |
Shipping calculated at checkout. No P.O. Boxes. Not available in Oregon, California, Alaska or Hawaii. |
| Delivery Time | 4–7 business days |
| Returns | All sales are final; no cancellations, returns, or exchanges. |
| Customer Support | Contact Yard Mastery Support |
Thanks for subscribing!
This email has been registered!