Greenway Biotech Ammonium Sulfate Fertilizer
Best nitrogen booster for gardeners needing to acidify alkaline soil.
This is the go-to solution for gardeners needing an immediate nitrogen hit to jumpstart growth. It works fast to green up lawns and acidify stubborn soil, though you’ll need to be precise with application to avoid over-fertilizing your plants.
$24.99
at
Greenway Biotech
Who it's for
- Gardeners seeking immediate visual results and lush foliage
- Growers cultivating acid-loving plants in alkaline soil conditions
- Plant enthusiasts prioritizing long-term health and enzyme development
Who should skip it
- Gardeners looking for an all-in-one complete nutrient solution
- Novice gardeners prone to over-application or uneven distribution
- Homeowners maintaining turfgrass that requires neutral soil pH
Performance breakdown
Nutrient Solubility
Fully water-soluble formula ensures rapid uptake for immediate plant response.
Soil Acidification
High sulfur content effectively lowers pH for acid-loving plant varieties.
Nitrogen Potency
Concentrated ammoniacal nitrogen drives aggressive greening and vigorous vegetative growth.
Purity Standards
Rigorous third-party testing guarantees minimal heavy metals for safer gardening.
Application Versatility
Adapts easily to foliar sprays or soil drenches for flexible feeding.
Quality Assurance
CDFA registration provides professional-grade confidence in the guaranteed nutrient analysis.
Key Specs
NPK Ratio
21-0-0
Secondary Nutrient
24% Sulfur (S)
Nitrogen Form
21% Ammonical Nitrogen (NH₄⁺)
Solubility
100% Water Soluble
Registration
CDFA Registered #2014005
Manufacturing Origin
Made in USA
Purity
Verified Low Heavy Metals
pH Effect
Acidifying
Coverage Area
500 sq ft
Nitrogen Percentage
21.0%
Know before you buy
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