Age Old Kelp
Top Pick
Age Old Nutrients

Age Old Kelp

4.7

Best organic supplement for gardeners seeking to boost soil and plant health.

This liquid concentrate turns tired soil into a thriving ecosystem by leveraging the natural potency of sustainably harvested kelp. It trades the complexity of synthetic fertilizers for a simple, biological boost that jumpstarts germination and helps your plants process nutrients more efficiently.

Who it's for

  • Gardeners seeking natural growth boosters for plant health
  • Growers managing plants in harsh or fluctuating climates
  • Versatile cultivators using diverse feeding and irrigation systems

Who should skip it

  • Beginners needing an all-in-one primary fertilizer solution
  • Indoor gardeners sensitive to strong organic or earthy scents
  • Users preferring low-maintenance, shelf-stable liquid fertilizers

Performance breakdown

Soil Bio-Activation

Stimulates microbial life to create a thriving, nutrient-rich root environment.

Excellent

Nutrient Bioavailability

Natural chelators ensure plants absorb essential minerals with maximum efficiency.

Excellent

Germination Support

Provides the necessary chemical signals to jumpstart healthy seedling development.

Excellent

Sourcing Integrity

Uses sustainably harvested Ascophyllum nodosum for environmentally conscious gardening.

Excellent

Application Versatility

Liquid concentrate format integrates easily into any existing feeding schedule.

Excellent

Stress Resilience

Boosts natural antioxidant production to help plants withstand environmental stressors.

Good

Key Specs

NPK Ratio

0.3-0.25-0.15

Active Ingredient

Sea Kelp (Ascophyllum nodosum)

Fertilizer Form

Liquid Concentrate

Release Type

Quick Release

Shipping Weight

489.5 lbs

Model Number

AO31700

Package Type

Drum

UPC-A Barcode

632327103555

Nitrogen Percentage

0.3%

Phosphorus Percentage

0.25%

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