- Triple-Action Root Growth Formula: Covington PRO-LINE HFK-633 combines the power of 6% humic acid, 3% fulvic acid, and 3% organic sea kelp to deeply nourish roots, promote healthy plant development, and improve soil structure for stronger, greener growth.
- High-Performance Potassium Nitrate Stimulant: Infused with premium potassium nitrate, this advanced fertilizer jumpstarts deep root formation and enhances nutrient uptake for trees, plants, and lawns?ideal for boosting vitality and resilience.
- Organic Sea Kelp for Lawn & Garden Health: Sustainably sourced liquid seaweed extract enhances stress resistance against drought, heat, and disease, while promoting vigorous plant metabolism and lush, vibrant foliage.
- Versatile Use Across Plants & Lawns: From garden beds to turfgrass, indoor plants to trees, HFK-633 delivers universal benefits, making it a go-to liquid kelp fertilizer for lawns, plants, and ornamental landscapes.
- Safe, Natural & Easy Application: Crafted with safe ingredients in the USA ? this liquid concentrate is easy to apply, quickly absorbed, and safe for pets, people, and pollinators.
