Humboldts Secret Soluble Kelp Extract Powder | 0-0-16 Water Seaweed Fertilizer | Concentrated Nutrients & Minerals for Lawn, Garden, Vegetables, Houseplants, Succulents & Hydroponics | 2 lb Bag
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Product details
| Management number | 214745716 | Release Date | 2026/04/12 | List Price | US$15.99 | Model Number | 214745716 | ||
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- 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.
| UPC | 850058984445 |
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| Coverage | Full Coverage |
| Item Form | Powder |
| Brand Name | Humboldts Secret |
| Unit Count | 32.0 Ounce |
| Item Weight | 2 Pounds |
| Manufacturer | Humboldts Secret |
| Mixing Ratio | 1:32 to 1:16 |
| Target Species | general plants |
| Included Components | Resealable Bag |
| Specific Uses For Product | Plant Growth, Root Development, Soil Conditioning |
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