Deep Roots Fertilizer
“Transforming invasive species into regenerative growth, one scale at a time”
What is Deep Roots?
We’re a Utah-based company producing a liquid fish soil amendment made from invasive carp. We harvest carp through spearfishing or coordinate with government-led carp removal efforts. Our low-odor, non-burning formula feeds soil microbes, improves nutrient cycling, and supports healthy plant growth in gardens, farms, and landscapes. By removing invasive fish from local waterways and returning nutrients to the soil, we restore ecosystems from water to land. You’ll find us in local Nurseries stretching from Logan to Salt Lake City, down to Cedar City. Interested in a or custom filtered order?
Why use Deep Roots soil amendment?
Rooted in restoration
We make a soil amendment from invasive fish. By harvesting carp, an invasive species that harms freshwater ecosystems, we help support restoration efforts while transforming a regional challenge into a regenerative resource.
Crafted the right way
We preserve what nature made. Our soil amendment is made through a natural fermentation process that protects living microbes, preserves native amino acids while producing a gentle, low-NPK formula that nourishes plants and rebuilds soil biology.
Better for your Plants
Every drop supports the strength of your soil. Our fertilizer feeds the soil plants rely on, improving root growth, boosting nutrient availability, and helping crops become stronger and more resilient. Deep Roots supports healthier harvests in farms and gardens alike.
Summer: Support Growth & Resilience
During the growing season, regular applications help maintain healthy soil microbial communities that support nutrient cycling and root function. Summer use can improve plant vigor, support flowering and fruiting, and help plants better tolerate heat and drought stress. Apply to soil in the morning or evening to avoid midday heat.
Spring: Wake Up the Soil
Early spring is the ideal time to apply Deep Roots Amendment as soils begin to warm and microbial activity increases. Spring applications help activate native soil biology, unlock existing nutrients, and support steady early growth. Apply as a soil drench or diluted watering for seedlings, transplants, garden beds, and perennials as they break dormancy.
How to use Deep Roots fish soil amendment:
Winter: Indoor Growing & Soil Prep
During winter, Deep Roots Soil Amendment can be used for indoor plants, seedlings, and starts grown under lights or in greenhouses. Diluted applications support steady nutrient cycling in potting soils and container mixes without burning roots. In outdoor beds in cold climates, winter is best used as a soil-building and planning phase, with applications resuming once soils thaw in early spring.
Fall: Rebuild & Recharge
Fall is an excellent time to apply Deep Roots Soil Amendment to rebuild soil organic inputs after harvest. Fall applications feed microbes that continue working below ground, supporting root growth, nutrient storage, and soil structure heading into winter. Especially beneficial for perennial beds, trees, shrubs, and garden areas being prepared for next season.
Deep Roots Soil Amedment
Contact us for large volume, wholesale and custom filtering orders. We’d love to work with you!
Growing Applications:
Home gardeners seeking natural growing solutions and soil conditioning
Composters who want to jumpstart their process
Homeowners focused on natural, watershed-friendly lawncare
Farms that incorporate natural and organic growing practices
Recommended usage:
Add 1 tsp per gallon of water. Apply every 1-3 weeks.
During active growth, dilute 1-2 tsp into 1 gallon of water and apply every 1-2 weeks.
This is a concentrated fish product, dilute prior to use!