Covington PRO-LINE Humic Acid, Fulvic Acid, Kelp Seaweed Fertilizer (32oz), HFK-633 Superior Potassium Nitrate Root Growth Stimulant with Humic, Fulvic & Kelp Fertilizer for Plant & Tree Root Health

★★★★★ 4.2 21 reviews

$34.95
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$34.95
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Product details

Management number 220048153 Release Date 2026/05/03 List Price $13.98 Model Number 220048153
Category
  • 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.
UPC 860008675743
Coverage 5300 to 10600 Sq ft
Item Form Liquid
Brand Name Covington Naturals
Unit Count 32.0 Fluid Ounces
Part Number CN-HFK633-32
Manufacturer Covington Naturals
Mixing Ratio 7:1
Model Number Humic,Fulvic,Kelp 6-3-3
Liquid Volume 32 Fluid Ounces
Target Species plants, lawns, indoor foliage
Number of Items 1
Included Components Quart Jug
Specific Uses For Product Plant Growth, Root Development, Seed Development, Soil Conditioning

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4.2 out of 5
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21 ratings | 9 reviews
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