Age Old Fish & Seaweed
Best organic liquid fertilizer for home gardeners seeking healthier, higher-yielding plants.
Elevate your plant's vitality with Age Old Fish & Seaweed 6 gal. This organic liquid fertilizer, crafted by Age Old Nutrients, harnesses the power of ocean fish and seaweed extracts to promote robust growth, vibrant flowering, and abundant fruiting. Its 3-3-2 NPK ratio nourishes your plants while enhancing soil's biological activity and fostering strong root development. Ideal for lawns, gardens, and shrubs, this OMRI Listed formula provides a natural boost for healthier, higher-yielding plants throughout the growing season.
$210.58
Owner Satisfaction
4.6
/ 5
Category Rank
1791
/ 4425
#1791 in Fertilizers
Price vs Category Average
+241%
Above average
NPK Ratio
332
/ --
Who it's for
- Organic gardeners seeking balanced, all-natural plant nutrition
- Soil health enthusiasts looking to boost microbial activity
- Outdoor growers needing plants with high environmental stress tolerance
Who should skip it
- Indoor gardeners sensitive to strong, lingering organic odors
- Users relying on automated drip or fine-mist spray systems
- Budget-conscious gardeners managing large-scale planting areas
Performance breakdown
Organic Integrity
OMRI certification ensures complete compliance for strict organic gardening standards.
Nutrient Versatility
Balanced NPK ratio supports everything from delicate flowers to robust shrubs.
Soil Vitality
Seaweed extracts actively stimulate beneficial microbes for healthier root zones.
Application Flexibility
Liquid concentrate works seamlessly as both a drench and foliar spray.
Growth Acceleration
Quick-release formula provides an immediate boost for visible seasonal progress.
Bulk Efficiency
Six-gallon volume offers significant value for large-scale garden maintenance.
Key Specs
NPK Ratio
3-3-2
Package Size
6 gallons
Form
Liquid Concentrate
Manufacturer
Age Old Nutrients
Part Number
AO40600
Organic Certified
Yes
OMRI Listed
Yes
Country of Origin
USA
Features
- Supports vigorous plant growth
- Enhances flowering and fruiting
- Increases soil biological activity
- Develops strong root systems
- Provides natural plant nutrients
- Boosts overall plant yields
- OMRI Listed for organic gardening
- Suitable for various plant types
What customers say
Customers rave about the exceptional quality and noticeable results from Age Old Fish & Seaweed. Many report significantly healthier, more robust plant growth with rapid improvements in foliage and yield. While the natural fish odor is present, users find it a minor consideration for the product's powerful and reliable performance. Its concentrated formula offers excellent value, requiring less product per application and lasting longer. This combination of high efficacy and cost effectiveness makes it a highly regarded choice for growers seeking superior plant health and bountiful harvests.
Know before you buy
Yes, this product is OMRI Listed, meaning it meets the standards for organic gardening. It is safe to use on vegetables, flowers, and shrubs to promote healthy growth and higher yields.
This liquid concentrate is versatile and can be applied both as a soil drench and as a foliar spray. Always ensure you follow the dilution instructions on the label to avoid leaf burn.
The 3-3-2 ratio indicates a balanced supply of nitrogen, phosphorus, and potassium. This combination supports overall plant health, from leaf development and root strength to flower and fruit production.
Beyond providing nutrients to the plant, the fish and seaweed extracts help stimulate biological activity in the soil. This encourages a healthier growing environment and better nutrient uptake for your plants.
Age Old Fish & Seaweed is a quick-release fertilizer. Because it is a water-soluble liquid concentrate, the nutrients are readily available for your plants to absorb shortly after application.
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$211