Age Old Kelp
Best natural supplement for gardeners seeking healthier soil and stronger plant growth.
This sustainably harvested kelp extract is the ultimate soil probiotic for those who prefer natural biology over synthetic additives. It won't provide a heavy nutrient load, but it excels at priming your soil’s microbial health and giving seeds the best possible start.
$47.99
at
SproutHouse Supply
Who it's for
- Gardeners seeking stronger roots and faster vegetative growth
- Outdoor growers needing plants that survive extreme weather
- Soil enthusiasts looking to maximize existing nutrient uptake
Who should skip it
- Indoor gardeners sensitive to strong, lingering organic smells
- Heavy feeders requiring a complete NPK fertilizer solution
- Budget-conscious growers preferring cheaper synthetic or granular options
Performance breakdown
Soil Vitality Impact
Actively stimulates microbial life for a healthier, more resilient root zone.
Nutrient Absorption Efficiency
Natural chelators significantly improve how plants intake essential minerals from soil.
Germination Support
Provides the necessary biological boost for faster, more reliable seed starts.
Application Versatility
Liquid concentrate formula works seamlessly across lawns, gardens, and indoor plants.
Sustainability Profile
Sustainably harvested Ascophyllum nodosum ensures an environmentally conscious gardening routine.
Nutrient Density
Low NPK levels serve better as a supplement than a primary fertilizer.
Key Specs
NPK Ratio
0.30-0.025-0.015
Nitrogen Percentage
0.3%
Phosphorus Percentage
0.025%
Potassium Percentage
0.015%
Fertilizer Form
Liquid
Release Type
Fast Release
Active Ingredients
Ascophyllum nodosum (Sea Kelp)
Plant Type Application
Lawn, Vegetables, Flowers, Trees & Shrubs, Indoor Plants
Fertilizer Source
Natural
Water Soluble
No
Know before you buy
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