Similar to: American Plant Food SoluGreen Ammonium Sulfate
2 filters applied based on search
Top Picks
Best nitrogen supplement for gardeners needing high-purity, water-soluble plant nutrition.
This is the gold standard for gardeners who need a clean, high-purity nitrogen boost without the heavy metal baggage of lesser fertilizers. Its exceptional solubility makes it a versatile workhorse for everything from soil drenching to complex hydroponic systems, though you will need to look elsewhere if your soil is already nitrogen-rich.
Nutrient Rich
High Solubility
Low Heavy Metals
Non-Foaming
-
Rapid Green-Up Power
-
Added Sulfur for Soil Health
-
Effective Soil Acidification
-
High Potential for Fertilizer Burn
-
Incomplete Nutrient Profile
-
Requires pH Monitoring
Best high nitrogen fertilizer for homeowners seeking rapid lawn greening.
This nitrogen-rich supplement provides an immediate nutrient boost, performing reliably in both cool and warm temperatures. By slightly lowering soil pH, it creates an optimal environment for nutrient uptake, making it a versatile tool for maintaining healthy, vibrant turf throughout the growing season.
Fast Acting
pH Balancing
Color Enhancement
Easy Mixing
-
Rapid Greening
-
Soil Acidification
-
High Solubility
-
Burn Risk
-
Frequent Application
-
Leaching Potential
Best nutrient supplement for gardeners preventing blossom end rot and tip burn.
This is the ultimate insurance policy against blossom end rot and weak cell walls. While it requires a bit more attention than a standard slow-release granule, the immediate, water-soluble nutrient boost is the fastest way to turn struggling vegetables and houseplants into thriving, high-yield specimens.
Rot Prevention
Cell Strength
Green Growth
Nutrient Uptake
-
Essential Calcium Delivery
-
Rapid Growth Boost
-
Ideal for Acidic Soils
-
Not a Complete Nutrient Source
-
Requires Careful Storage
-
Potential for Fertilizer Burn
Best concentrated calcium source for professional hydroponic and soilless growers.
Best nitrogen supplement for gardeners seeking quick, plant-based growth results.
Best high-nitrogen fertilizer for growers seeking vigorous vegetative plant development.
Best organic nitrogen source for eco-conscious gardeners and professional growers.
Best nutrient supplement for growers seeking stronger, more resilient plant structures.
Best high purity supplement for serious hydroponic growers.
Best bloom booster for indoor gardeners seeking maximum harvest density.
Best quick-release nitrogen source for gardeners needing efficient dry-spray application.
Best microbial supplement for gardeners seeking healthier, more resilient plants.
Best bloom booster for gardeners seeking larger, more abundant floral displays.
Best organic supplement for gardeners seeking stronger roots and lush growth.
Best nutrient supplement for serious hydroponic and container gardeners.
Best potassium booster for growers seeking larger, denser flower yields.
Best water-soluble fertilizer for home gardeners seeking bountiful tomato harvests.
Best high phosphorus fertilizer for maximizing seasonal flower production.
Best liquid soil amendment for precision agriculture professionals
Best concentrated soil conditioner for serious organic gardeners.
Best bloom booster for professional growers seeking dense, high-quality flower yields.
Best natural wetting agent for organic gardeners seeking optimal nutrient absorption.
Best nutrient supplement for coco coir growers using reverse osmosis water.
Best root booster for gardeners seeking larger, more nutrient-dense plant yields.
Best nutrient boost for gardeners growing flowers in cool or overcast climates.
Best bloom booster for growers seeking larger, more aromatic harvests.
Best bloom booster for growers seeking larger, more aromatic medicinal harvests.
Best bloom booster for gardeners seeking larger, more robust flower production.
Best bloom booster for growers aiming to maximize harvest yields.
Best mineral supplement for organic gardeners seeking healthier, more productive plants.
Best bloom booster for growers seeking enhanced flower quality and potency.
Best bloom booster for growers seeking maximum harvest yields.
Best bloom-stage nutrient for growers seeking consistent, high-quality flowering results.
Best specialized fertilizer for home strawberry growers and hydroponic enthusiasts.
Best organic nutrient solution for vegan-conscious hydroponic gardeners.
Best natural mineral supplement for organic home gardeners.
Best organic nitrogen boost for serious vegetable and flower gardeners.
Best versatile fertilizer for home gardeners seeking consistent plant growth.
Best pure mineral supplement for health conscious individuals seeking clean ingredients.
Best versatile fertilizer for gardeners seeking consistent and healthy plant growth.
Best organic soil conditioner for home gardeners seeking simple plant vitality.
Best soluble mineral supplement for serious indoor hydroponic gardeners.
Best natural supplement for gardeners seeking stronger roots and higher yields.
Best all-in-one nutrient for rapid vegetative and seedling growth.
Best organic nutrient booster for versatile soil and hydroponic gardeners.
Best bloom booster for growers seeking larger, denser final harvests.
Best metabolic supplement for growers seeking to maximize overall plant vigor.
Best bloom booster for growers seeking larger, denser, and heavier harvests.
Best growth booster for mushroom cultivators seeking higher yields and contamination protection.
Best structural supplement for growers seeking rapid vegetative development.
Best bloom booster for growers seeking larger, more fragrant flower yields.
Best bloom booster for growers seeking higher yields and healthier roots.
Best bloom booster for gardeners wanting vibrant flowers and abundant harvests.
Best plant food for achieving lush, healthy growth in home gardens.
Best late stage nutrient boost for serious home gardeners.
Best biological root enhancer for serious organic gardeners.
Best natural soil amendment for dedicated organic gardeners.
Best organic root booster for home gardeners seeking healthier plants.
Best high concentration supplement for budget conscious indoor gardeners.
Best organic soil amendment for eco-conscious gardeners seeking stronger plant immunity.
Best natural soil treatment for eco-conscious gardeners and pet owners.
Best root booster for organic container and no-till gardeners.
Best organic phosphorus supplement for maximizing flower and vegetable yields.
Best soil inoculant for gardeners seeking to maximize natural phosphorus uptake.