Natural Root Booster: Derived from premium Ascophyllum Nodosum, this concentrated sea kelp fertilizer provides potassium, minerals, and essential trace elements. With a 0-0-16 NPK ratio, it supports vigorous root systems, increases stress resistance, and enhances overall plant growth in lawns, vegetables, flowers, and fruits. Highly Concentrated Formula: Our soluble kelp powder is fully water-soluble for rapid nutrient delivery, ensuring plants receive maximum benefit. A little goes a long way, offering multiple applications for hydroponics, gardens, and houseplants, while encouraging sturdy stems, rich foliage, and long-lasting plant vitality. Versatile Applications: This kelp extract for plants can be applied as a soil drench, foliar spray, or hydroponic additive, making it ideal for any growing environment. From seedlings to harvest, it improves soil fertility, enhances nutrient uptake, and promotes balanced growth in vegetables, fruits, and ornamental plants. Improves Soil And Crop Health: Trusted by gardeners, Humboldts Secret seaweed fertilizer is packed with natural minerals to enhance soil quality and develop resilient roots. Perfect for indoor and outdoor use, it strengthens crop vitality, boosts resilience, and delivers reliable results throughout every season of gardening. Easy To Use And Fast Acting: This concentrated water soluble kelp fertilizer mixes instantly with water for hassle-free feeding. Use as a foliar spray, lawn booster, or hydroponic solution to provide a strong potassium boost that encourages flowering, stimulates growth, and keeps plants thriving with minimal effort. Clear Application Directions: Simple to use, this seaweed fertilizer powder dissolves quickly for precise feeding. For foliar spray, mix 1/4–1/2 teaspoon per gallon of water and apply every 7–15 days. For hand watering, use 1/2–1 teaspoon per gallon every 2 weeks, ensuring consistent nutrition and vigorous plant growth. Humboldts Secret Soluble Kelp Extract Powder is a premium plant food designed to deliver powerful nutrition across a wide variety of growing environments, from backyard gardens and lush lawns to hydroponic systems and greenhouse setups. Derived from Ascophyllum Nodosum, this concentrated seaweed extract for plants supplies a rich balance of essential minerals, trace elements, and natural compounds that promote vigorous growth, strong stems, and abundant blooms. Unlike liquid alternatives, our soluble seaweed powder fertilizer dissolves instantly for quick absorption, making it a highly efficient and cost-effective solution that stretches further with every application. Gardeners choose this versatile formula as a sea kelp powder for lawns, vegetable gardens, fruits, and ornamentals because it not only improves root structure but also enhances soil fertility and microbial activity, ensuring that plants receive maximum nutrition for long-term health. Perfect for both indoor and outdoor use, this fertilizer for plants provides an immediate potassium boost that supports flowering, improves stress tolerance, and enhances resistance to challenging conditions. With its easy mixing and wide compatibility, you can apply it as a soil drench, a foliar spray, or a hydroponic additive, making it one of the most flexible choices in natural gardening solutions. As a seaweed fertilizer powder trusted by professionals and home gardeners alike, it delivers consistent results by strengthening root development, promoting lush foliage, and increasing crop vitality without the use of harsh chemicals. The high concentration of beneficial nutrients found in our seaweed extract for soil makes it suitable for everything from delicate houseplants to large-scale garden plots, giving you the confidence that every application is working hard to maximize your plant’s potential. Whether you’re looking to improve overall plant health, and fruiting cycles, or simply maintain thriving greenery.