Hero image 0 of Ammonium Sulfate 21-0-0 Fertilizer "Greenway Biotech Brand" 5 Pounds, 0 of 1
Ammonium Sulfate 21-0-0 Fertilizer "Greenway Biotech Brand" 5 Pounds
Ammonium Sulfate 21-0-0 Fertilizer "Greenway Biotech Brand" 5 PoundsAmmonium Sulfate 21 0 0 Fertilizer Greenway Biotech Brand 5 PoundsGreenway Biotech Ammonium Sulfate Fertilizer 21 0 0 2 PoundsAmmonium Sulfate 21 0 0 Fertilizer Greenway Biotech Brand 10 PoundsAmmonium Sulfate Fertilizer 21 0 0 2 X 25 Pounds Great Lawn FertilizerAmmonium Sulfate Fertilizer 21 0 0 100 Water soluble Lawn Fertilizer 25 Pounds
Shape:5 Pounds
Key item features
- Ammonium Sulfate Fertilizer 21-0-0 100% Water soluble Lawn Fertilizer 5 Pounds
- Ammonium Sulfate Fertilizer 21-0-0
Premium nitrogen and sulfur fertilizer for professional results. Fast-acting, 100% water-soluble formula provides rapid nutrient delivery and supports soil acidification for alkaline conditions—perfect for lawns and acid-loving plants like blueberries.
🔬 Lab Tested & Verified 📋 CDFA Registered ✓ Low Heavy Metals 🏭 Made in USA Since 1989See the Difference in DaysFEATURESDay 1 💧 Apply & WaterDay 3-5 🌱 First SignsDay 7-10 🌿 Visible GreeningDay 14+ 🌾 Full ResultsDERIVED FROM- 21% Nitrogen: Fast-acting ammonium nitrogen (NH₄⁺) for rapid green-up and vigorous vegetative growth
- 24% Sulfur: Essential secondary nutrient supports chlorophyll production, protein synthesis, and enzyme activation
- 100% Water Soluble: Dissolves completely for immediate nutrient availability through soil drench or fertigation
- Acidifying Action: Gradually lowers soil pH over time—ideal for alkaline soils and acid-loving plants
- Dual-Purpose Formula: Provides both nitrogen nutrition and sulfur supplementation in one application
- Low Heavy Metals: Third-party tested to exceed EPA safety standards for garden and agricultural use
PERFECT FOR THESE APPLICATIONSAmmonium Sulfate (NH₄)₂SO₄
Manufactured through the reaction of ammonia with sulfuric acid, producing a stable crystalline salt. This synthetic process ensures consistent purity and nutrient content in every batch. Our ammonium sulfate is produced in the USA under strict quality controls, with each lot tested for nutrient analysis and heavy metal content to meet CDFA registration requirements.
COMMON PROBLEMS? WE HAVE SOLUTIONS🌾Lawns4 lb/1000 sq ft🥬Vegetables2-3 tbsp/plant🫐Blueberries1/4 cup/bush🪴Houseplants1 tbsp/gallonWHY GROWERS CHOOSE THIS FORMULA😟 Yellow, patchy lawn?✅ 21% nitrogen delivers visible greening in 7-10 days😟 Blueberries not thriving?✅ Acidifying action creates ideal pH 4.5-5.5 conditions😟 Slow plant growth?✅ 24% sulfur boosts chlorophyll and protein synthesis😟 Alkaline soil issues?✅ Gradual pH reduction improves nutrient availability💪 21% Fast-Acting NitrogenWater-soluble ammonium nitrogen for rapid green growth and vigorous development. Visible results in 7-10 days.
🔬 24% Essential SulfurSupports chlorophyll formation, protein synthesis, and helps acidify alkaline soils over time.
⚡ 100% Water SolubleDissolves quickly for immediate availability through soil application or fertigation systems.
- By Greenway Biotech, Inc.
Specs
- Npk ratio21-0-0
- Fertilizer typeSynthetic
- FormGranules
- Rec. useLawn
- BrandGreenway Biotech
- Rec locationOutdoor
Current price is USD$34.99
Price when purchased online
- Free shipping
Free 30-day returns
How do you want your item?
Columbus, 43215
Arrives between Apr 18 - Apr 21
|
Sold and shipped by Greenway Biotech, Inc
4.647058823529412 stars out of 5, based on 34 seller reviews(4.6)34 seller reviews
Free 30-day returns
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About this item
Product details
Application Rates Lawn Application:
Vegetable Gardens (Per 1000 sqft):
Vegetable Gardens (Per Plant):
House Plants:
Other Applications:
| Area | Application Rate | Frequency |
|---|---|---|
| Per 1000 sqft | 3-5 pounds | Every 4-6 weeks during growing season |
| Per Acre | 120-200 pounds | As needed |
| Plant Type | Application Rate | Frequency |
|---|---|---|
| Leafy Greens | 1-2 pounds | As needed |
| Fruiting Vegetables | 2-3 pounds | |
| Root Vegetables | 1.5-2.5 pounds | |
| Legumes | 1.5-2.5 pounds |
| Plant Type | Application Rate | Frequency |
|---|---|---|
| Leafy Greens | 1-2 tablespoons | As needed |
| Fruiting Vegetables | 2-3 tablespoons | |
| Root Vegetables | 1.5-2.5 tablespoons | |
| Legumes | 1.5-2.5 tablespoons |
| Plant Size | Application Rate | Frequency |
|---|---|---|
| Small | 1 tsp per gallon of water | Every 4-6 weeks |
| Medium to Large | 1-2 tbsp per gallon of water |
| Application Type | Area/Plant Type | Application Rate | Frequency |
|---|---|---|---|
| Field Crops | Per Acre | 50-150 pounds | As needed |
| Foliar Application | All Plants | 1-2 tbsp per gallon of water | Every 2-4 weeks during growing season |
| Greenhouse and Hydroponic | All Plants | 1-2 tbsp per gallon of water | Regularly, adjust based on plant needs |
Simply mix into the topsoil and water thoroughly after application.
Grow with ConfidenceOur Ammonium Sulfate Fertilizer 21-0-0 is designed to give you peace of mind and exception
- Ammonium Sulfate Fertilizer 21-0-0 100% Water soluble Lawn Fertilizer 5 Pounds
- Ammonium Sulfate Fertilizer 21-0-0
Premium nitrogen and sulfur fertilizer for professional results. Fast-acting, 100% water-soluble formula provides rapid nutrient delivery and supports soil acidification for alkaline conditions—perfect for lawns and acid-loving plants like blueberries.
🔬 Lab Tested & Verified 📋 CDFA Registered ✓ Low Heavy Metals 🏭 Made in USA Since 1989See the Difference in DaysFEATURESDay 1 💧 Apply & WaterDay 3-5 🌱 First SignsDay 7-10 🌿 Visible GreeningDay 14+ 🌾 Full ResultsDERIVED FROM- 21% Nitrogen: Fast-acting ammonium nitrogen (NH₄⁺) for rapid green-up and vigorous vegetative growth
- 24% Sulfur: Essential secondary nutrient supports chlorophyll production, protein synthesis, and enzyme activation
- 100% Water Soluble: Dissolves completely for immediate nutrient availability through soil drench or fertigation
- Acidifying Action: Gradually lowers soil pH over time—ideal for alkaline soils and acid-loving plants
- Dual-Purpose Formula: Provides both nitrogen nutrition and sulfur supplementation in one application
- Low Heavy Metals: Third-party tested to exceed EPA safety standards for garden and agricultural use
PERFECT FOR THESE APPLICATIONSAmmonium Sulfate (NH₄)₂SO₄
Manufactured through the reaction of ammonia with sulfuric acid, producing a stable crystalline salt. This synthetic process ensures consistent purity and nutrient content in every batch. Our ammonium sulfate is produced in the USA under strict quality controls, with each lot tested for nutrient analysis and heavy metal content to meet CDFA registration requirements.
COMMON PROBLEMS? WE HAVE SOLUTIONS🌾Lawns4 lb/1000 sq ft🥬Vegetables2-3 tbsp/plant🫐Blueberries1/4 cup/bush🪴Houseplants1 tbsp/gallonWHY GROWERS CHOOSE THIS FORMULA😟 Yellow, patchy lawn?✅ 21% nitrogen delivers visible greening in 7-10 days😟 Blueberries not thriving?✅ Acidifying action creates ideal pH 4.5-5.5 conditions😟 Slow plant growth?✅ 24% sulfur boosts chlorophyll and protein synthesis😟 Alkaline soil issues?✅ Gradual pH reduction improves nutrient availability💪 21% Fast-Acting NitrogenWater-soluble ammonium nitrogen for rapid green growth and vigorous development. Visible results in 7-10 days.
🔬 24% Essential SulfurSupports chlorophyll formation, protein synthesis, and helps acidify alkaline soils over time.
⚡ 100% Water SolubleDissolves quickly for immediate availability through soil application or fertigation systems.
- By Greenway Biotech, Inc.
info:
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Warranty
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Showing 1-1 of 1 review
Apr 1, 2019
Walmart customer
Item details
Shape: 2 Pounds
5 out of 5 stars review
It works!
Bought this to lower ph in garden spot. Two weeks in and ph has dropped a full point so far
Helpful?50QSQY5DUOJL210651649
