Greenway Biotech Potassium Sulfate Fertilizer
Best chloride-free nutrient boost for sensitive crops and hydroponic systems.
This chloride-free formula is the gold standard for sensitive crops that demand high potassium without the risk of salt burn. While it requires a bit more precision than standard granular options, its total water solubility makes it an essential tool for anyone serious about maximizing fruit quality and plant resilience.
$21.99
Who it's for
- Gardeners growing salt-sensitive crops and delicate seedlings
- Farmers seeking enhanced flowering and improved plant protein synthesis
- Producers utilizing precision fertigation or foliar spray systems
Who should skip it
- Gardeners managing heavy clay or poorly draining soil conditions
- Budget-conscious growers prioritizing cost-effective bulk nutrient sources
- Beginners looking for an all-in-one complete fertilizer solution
Performance breakdown
Nutrient Concentration
High-potency 0-0-53 ratio delivers maximum potassium impact for demanding crops.
Solubility Efficiency
Fully dissolves in water for seamless integration into any irrigation system.
Crop Safety
Chloride-free formula prevents salt burn on sensitive plants and vegetables.
Application Versatility
Adapts easily to foliar sprays, soil drenches, or advanced hydroponic setups.
Soil pH Management
Sulfur content actively helps balance soil chemistry for optimal nutrient uptake.
Plant Resilience
Strengthens cellular structure to improve drought tolerance and disease resistance.
Key Specs
NPK Ratio
0-0-53
Derived From
Potassium Sulfate (K₂SO₄)
Potassium Content
53% K₂O
Sulfur Content
17%
Chloride Content
Virtually none (Chloride-Free)
Manufacturing Location
California, USA
Registration
Registered with the California Department of Food and Agriculture (CDFA)
Solubility
100% Water Soluble
Fertilizer Source
Synthetic
Nitrogen Percentage
0.0%
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