Kelpak Seaweed Concentrate
Best organic growth booster for serious home gardeners and professional growers.
This cold-extracted seaweed concentrate is the gold standard for anyone serious about root health and crop yields. While it requires the extra step of mixing and application, the decades of proven results make it a far more reliable choice than the generic, heat-processed fertilizers crowding the shelves.
$127.42
at
Custom Hydro
Who it's for
- Gardeners seeking stronger, more resilient root systems
- Farmers managing plants through harsh weather or transplanting
- Commercial growers needing cost-effective solutions for large-scale applications
Who should skip it
- Budget-conscious hobbyists looking for standard, low-cost fertilizers
- Casual gardeners preferring simple, easy-to-use liquid products
- Users lacking climate-controlled storage space for sensitive supplies
Performance breakdown
Nutrient Bioavailability
Cold cellular-burst extraction keeps delicate growth hormones active and highly effective.
Root Development
Natural auxin and cytokinin levels drive rapid, robust underground growth.
Application Versatility
Highly soluble formula works seamlessly for both foliar sprays and irrigation.
Yield Impact
Decades of field data confirm consistent, measurable improvements in crop output.
Environmental Integrity
Sustainably harvested kelp ensures a clean, organic footprint for your garden.
Concentrate Efficiency
High potency allows for significant dilution, stretching the 2.5-gallon supply further.
Key Specs
Fertilizer Grade
0-0-1
Derived From
Fresh Ecklonia Maxima Kelp
pH
4.6
Potassium Content
1.0% Soluble Potash (K2O)
Extraction Method
Cold Cellular-Burst Technology
Package Size
2.5 Gallons
Application Dilution (Foliar)
Max 0.2%
Application Dilution (Drip Irrigation)
Max 0.1%
Water Soluble
Yes
Fertilizer Form
Liquid Concentrate
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