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.
Overview
Brand : Covington Naturals
Item Form : Liquid
Liquid Volume : 32 Fluid Ounces
Specific Uses For Product : Plant Growth, Root Development, Seed Development, Soil Conditioning
Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.
🌿 Is free shipping available?
We do not currently offer free shipping. However, this may be added at some point. We apologize.
🌿 How can I get a tracking number for my order?
If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.
🌿 How do I process a return or exchange?
For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.
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