Sparetime Supply Soluble Seaweed Powder
Best organic supplement for gardeners seeking stronger roots and lush growth.
This concentrated seaweed powder is the ultimate shortcut for gardeners who want professional-grade soil vitality without the mess of liquid fertilizers. It requires a bit of manual mixing, but the trade-off is a potent, shelf-stable boost that turns lackluster plants into thriving, resilient greenery.
$31.98
at
Rasahydroponics
Who it's for
- Gardeners seeking stronger blooms and improved plant stress resistance
- Botanists prioritizing comprehensive micronutrient health and vigorous growth
- Hydroponic growers needing a versatile, fast-dissolving nutrient supplement
Who should skip it
- Indoor gardeners sensitive to strong marine odors during mixing
- Container gardeners worried about long-term soil salt accumulation
- Beginners looking for a simple, all-in-one complete fertilizer solution
Performance breakdown
Solubility efficiency
Dissolves rapidly in water for seamless integration into irrigation systems.
Nutrient bioavailability
Natural growth stimulants ensure rapid uptake for immediate plant response.
Application versatility
Equally effective for delicate houseplants and robust outdoor vegetable patches.
Stress resilience support
Fortifies plant cellular structure against environmental heat and drought stress.
Soil health impact
Organic composition actively improves soil structure and long-term microbial activity.
Root development potency
High potassium content drives vigorous early root establishment and expansion.
Key Specs
NPK Ratio
1-0-12
Package Weight
8 lbs
Fertilizer Form
Soluble Powder
Organic Origin
Derived from black seaweed
Contains natural plant growth stimulants
Cytokinins, Auxins, and Gibberellins
Nitrogen
1.0%
Phosphorus
0.0%
Potassium
12.0%
Water Soluble
Yes
Fertilizer Source
Organic
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