74 iron fertilizer on offer(Disclaimer)
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➤ Last checked on 11.10.2026
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20% discount
API Root TABS Freshwater Aquarium Plant Fertilizer 0.4-Ounce 10-Count Box (Pack of 2)
Pack of 2
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20% discount
Hygger CO2 HC035 All-in-One Liquid Aquarium Plant Fertilizer - with Essential Micro & Macro Nutrients for Freshwater Planted Tanks, 150ml/500ml/1000ml (500mL)
12 essential trace elements: HC035 is packed with 12 crucial micro nutrients including Iron (Fe), Calcium (Ca), Magnesium (Mg), Manganese (Mn), Zinc (Zn), Boron (B), Molybdenum (Mo), Copper (Amino acid chelated copper,Cu in bio-safe form), Silicon (Si), plus supplemental N, P, K. Prevents and corrects deficiency symptoms, promoting vibrant health and color.
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14% discount
FZONE Root Tabs, Aquarium Plant Fertilizer, Safe for Fish & Shrimp, 60g/Box
Optimized NPK Ratio (1 : 0.3 : 2.6):FZONE root tabs feature a low-nitrogen, low-phosphorus, high-potassium formula that helps maintain stable water quality while fueling strong plant growth. Designed for freshwater aquariums, they support lush crypts, vibrant sword plants, and dense carpeting plants. Safe for all fish and shrimp.
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10% discount
Brightwell Aquatics Florin-Fe Aquarium Plant Iron Formula, 500ml
DUAL IRON SUPPORT – Provides immediate and slow-release iron for optimal plant growth and sustained nutrient availability.
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9% discount
Seachem Flourish Iron 250 mL / 8.5 fl. oz.
Highly concentrated
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NilocG Aquatics | Aquarium Dry Fertilizer (EI w/GH and Iron)
NilocG Aquatics
free delivery
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Aquario Neo Solution 2 - Liquid Fertilizer 1000ml
Comprehensive Nutrient Blend: Aquario Neo solution aquarium plant fertilizer, contains essential nutrients like iron, boron, molybdenum, calcium, amino acids, and humic acid. This liquid fertilizer for plants ensures optimal growth and vibrant colors for your green plant.
free delivery
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Seachem Flourish Iron 500 mL / 17 fl. oz.
Highly concentrated
free delivery
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2HR Aquarist All-in-One Aquarium Plant Fertilizer APT 1/ Zero (500ml)
All-in-one planted aquarium fertilizer for tanks with more fish.
free delivery
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Easy Life USFE 1000 Ferro Plant Fertilizer
Concentrated iron supplement
free delivery
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2HR Aquarist All-in-One Aquarium Plant Fertilizer APT 1/ Zero (300ml)
All-in-one planted aquarium fertilizer for tanks with more fish.
free delivery
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NilocG Aquatics | Aquarium Dry Fertilizer (EI NPK+Microplex w/Iron)
NilocG Aquatics
free delivery
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Elemental Single Nutrient Dosing System (Elemental Iron)
Complete System: Includes 5 bottles (16.9 oz each) of single nutrient dosing solutions - Na, K, Ca, N, and P - for a comprehensive hydroponics system.
free delivery
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2HR Aquarist All-in-One Aquarium Plant Fertilizer APT 1/ Zero (1000ml)
All-in-one planted aquarium fertilizer for tanks with more fish.
free delivery
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Ferrous Gluconate | Half Pound(8oz)
Food Grade Ferrous Gluconate Dihydrate 12.46%
free delivery
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2HR Aquarist All-in-one Aquarium Plant Fertilizers APT 3 / Complete (1000ml)
All-in-one planted aquarium fertilizer
free delivery
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Flourish Iron, 4 L / 1 fl. gal
Highly concentrated (10,000 mg/L) iron source for the planted aquarium
free delivery
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2HR Aquarist All-in-one Aquarium Plant Fertilizers APT 1 (600ml)
All-in-one aquarium plant fertilizer for tanks with more fish.
free delivery
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2HR Aquarist All-in-one Aquarium Plant Fertilizers APT 3 / Complete (300ml)
All-in-one aquarium planted fertilizer
free delivery
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Elemental Single Nutrient Dosing System (High Tech Package)
The High Tech Package includes all the bottles in the line: Nitrogen, Potassium, Phosphorous, Iron and Trace 500ml Pump Top Bottles
free delivery
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S.T. International Fe+K Growth Tablets for Aquarium Plants
Contains protective iron and concentrated potassium that provide a balanced habitat perfect for aquatic plants
free delivery
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Seachem Flourish Iron 2 L / 67.6 fl. oz.
Highly concentrated (10,000 mg/L) iron source for the planted aquarium
free delivery
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2HR Aquarist All-in-one Aquarium Plant Fertilizer APT E Estimative Index (500ml)
Enhanced Estimative Index Formula aquarium fertilizer
free delivery
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2HR Aquarist All-in-one Aquarium Plant Fertilizers APT 3 / Complete (600ml)
All-in-one aquarium plant fertilizer
free delivery
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S.T. International Ferro Nutriment Aquarium Plant Supplement, 5 Fluid Ounce
Contains Iron, the most important trace element and other essential nutrients that aquatic plants need
free delivery
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Aquario Plant Fertilizer - Liquid Iron for Aquarium Plants - Boosts Red Color & Supports Healthy Growth - Neo Solution Fe, 1000ml
Strengthens Red Color: Our liquid fertilizer for indoor plants enhances the red hues of your aquarium flora, ensuring vibrant and healthy growth. Fortified with iron liquid, it provides an essential nutrient boost.
free delivery
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Continuum Aquatics FloraViv Fe, Iron Supplement for Aquarium Plants 2L
Concentrated, timed release iron supplement for freshwater planted aquariums
free delivery
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2HR Aquarist All-in-one Aquarium Plant Fertilizer APT E Estimative Index (1000ml)
Enhanced Estimative Index Formula aquarium fertilizer
free delivery
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2HR Aquarist All-in-one Aquarium Plant Fertilizer APT E Estimative Index (300ml)
Enhanced Estimative Index Formula aquarium plant fertilizer
free delivery
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Brightwell Aquatics FlorinBase Laterin Substrat F Clay Granules, 15lbs
Fine, high porosity, kiln fired clay granular substrate
free delivery
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NilocG ThriveCaps Aquarium Root Fertilizer for Planted Tanks, 60 Caps
ThriveCaps are nutrient rich tablets which are intended to be placed in the substrate of a planted freshwater aquarium. They will provide a long lasting nutrient source essential for healthy plant growth.
free delivery
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Söchting Dosator - Increase Oxygen Level and Aquatic Plants Fertilizer Shrimps Fish Planted Tank Aquarium (Söchting Special Aquarium Fertiliser (50ml))
Automatic fertiliser dosage: ensures an even and needs-based nutrient delivery to your aquarium plants.
free delivery
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API Leaf Zone Plant Food for Freshwater Aquariums
Contains one (1) API LEAF ZONE Freshwater Aquarium Plant Fertilizer 16-Ounce Bottle
free delivery
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Dajana DJ8371 Proflor Fertiliser, 3.38 Fl Oz 100ml, Aquarium, Terrarium Plant Fertilizer Food
Dajana ProFlor 3.38 oz (100ml) 3.38 oz (100ml )
free delivery
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Brightwell Aquatics Florin-Fe Aquarium Plant Iron Formula, 20L
DUAL IRON SUPPORT – Provides immediate and slow-release iron for optimal plant growth and sustained nutrient availability.
free delivery
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Hygger CO2 HC035 All-in-One Liquid Aquarium Plant Fertilizer - with Essential Micro & Macro Nutrients for Freshwater Planted Tanks, 150ml/500ml/1000ml (1000mL)
12 essential trace elements: HC035 is packed with 12 crucial micro nutrients including Iron (Fe), Calcium (Ca), Magnesium (Mg), Manganese (Mn), Zinc (Zn), Boron (B), Molybdenum (Mo), Copper (Amino acid chelated copper,Cu in bio-safe form), Silicon (Si), plus supplemental N, P, K. Prevents and corrects deficiency symptoms, promoting vibrant health and color.
free delivery
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Crystalpro Flora Multi Minerals All-in-One Aquarium Plant Fertilizer - Plant Food for Fast Root & Leaf Growth - Safe for Fish, Shrimp & Snails (4.2 Oz / 125ml)
Crystalpro Flora Multi Minerals is a all in one plant food supplement necessary for the coloration and healthy growth of freshwater aquarium plants.
free delivery
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Aquario Neo Tabs - Aquarium Plant Fertilizer Root Tabs with Potassium - Potassium Freshwater & Saltwater Tank Tablets, Safe for Fish & Shrimp & Snails - Tab K, 20 Tabs
Potassium-Rich Formula: Aquario Neo Plants Tab K delivers essential potassium directly to plant roots, enhancing photosynthesis and promoting robust growth for your aquarium to thrive.
free delivery
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API Leaf Zone Aquarium Plant Food, 32-Ounce (2) 16oz Bottles.
Plant Food: The API Leaf Zone Aquarium 32-Ounce Plant Food is formulated for rapid absorption through plant leaves
free delivery
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Hygger CO2 HC035 All-in-One Liquid Aquarium Plant Fertilizer - with Essential Micro & Macro Nutrients for Freshwater Planted Tanks, 150ml/500ml/1000ml (150mL)
12 essential trace elements: HC035 is packed with 12 crucial micro nutrients including Iron (Fe), Calcium (Ca), Magnesium (Mg), Manganese (Mn), Zinc (Zn), Boron (B), Molybdenum (Mo), Copper (Amino acid chelated copper,Cu in bio-safe form), Silicon (Si), plus supplemental N, P, K. Prevents and corrects deficiency symptoms, promoting vibrant health and color.
free delivery
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Dr. Tank Bottom Stick - Aquarium Plant Fertilizer Sticks for Aquatic Plants, Substrate Nutrients for Freshwater & Planted Tanks, Slow-Release Nutrients for Plant Growth, 15 Sticks - Trace Stick
Robust Root Growth: Dr. Tank Bottom Root Sticks deliver nutrients directly to the root zone, encouraging consistent growth and healthy development for aquarium plants. Designed for planted tanks with aquasoil or nutrient-rich substrates, without affecting water clarity.
free delivery
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Crystalpro Flora Multi Minerals All-in-One Aquarium Plant Fertilizer - Plant Food for Fast Root & Leaf Growth - Safe for Fish, Shrimp & Snails (16.9 Oz / 500ml)
Crystalpro Flora Multi Minerals is a all in one plant food supplement necessary for the coloration and healthy growth of freshwater aquarium plants.
free delivery
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Aquario Plant Fertilizer for Aquarium Plants - Liquid Iron Fertilizer for Aquarium Plants - Boosts Red Color & Supports Healthy Growth for Aquarium Plants - Neo Solution Fe, 300ml
Strengthens Red Color: Our liquid fertilizer for indoor plants enhances the red hues of your aquarium flora, ensuring vibrant and healthy growth. Fortified with iron liquid, it provides an essential nutrient boost.
free delivery
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Aquarium Fertilizer | Ferrum Liquid Iron 500ml Bottle | NilocG Aquatics | Highly Concentrated Iron Supplement for Planted Tanks
Ferrum- Liquid Iron Supplement
free delivery
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Brightwell Aquatics Ferrion Iron Supplement for Reef Aquariums, 250ml
SUPPORTS PHOTOSYNTHETIC ORGANISMS – Provides essential iron for macroalgae, coralline algae, mangroves, marsh grasses, and zooxanthellate corals.
free delivery
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NilocG Thrive+ All in One Aquarium Fertilizer for Planted Tanks, 500mL with 2ml Pump
Healthy Plants: Keep your live aquarium plants happy and healthy with our aquarium fertilizer and watch them thrive. This fish tank fertilizer is suitable for high-tech setups with a pH under 7, but can also be used for low-tech setups.
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Seachem Flourish, 250 ml/ 8.5 fl.oz.
SUPPLEMENT: Seachem Flourish is a comprehensive plant supplement for the natural freshwater aquarium, containing a rich assortment of important micro elements, trace elements and other nutrients.
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Aquario Plant Fertilizer for Aquarium Plants - Micronutrient Liquid Fertilizer with Iron, Boron, Molybdenum, Calcium for Balanced Growth & Enhanced Red Colors in Aquatic Plants - Neo Solution 2, 300ml
Comprehensive Nutrient Blend: Aquario Neo solution aquarium plant fertilizer, contains essential nutrients like iron, boron, molybdenum, calcium, amino acids, and humic acid. This liquid fertilizer for plants ensures optimal growth and vibrant colors for your green plant.
free delivery
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Brightwell Aquatics Ferrion Iron Supplement for Reef Aquariums, 2L
SUPPORTS PHOTOSYNTHETIC ORGANISMS – Provides essential iron for macroalgae, coralline algae, mangroves, marsh grasses, and zooxanthellate corals.
free delivery
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Seachem Flourish 2 L / 67.6 fl. oz.
SUPPLEMENT: Seachem Flourish is a comprehensive plant supplement for the natural freshwater aquarium, containing a rich assortment of important micro elements, trace elements, and other nutrients.
free delivery
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Dr. Tank Bottom Stick - Aquarium Plant Fertilizer Sticks for Aquatic Plants, Substrate Nutrients for Freshwater & Planted Tanks, Slow-Release Nutrients for Plant Growth, 15 Sticks - Vivid Stick
Robust Root Growth: Dr. Tank Bottom Root Sticks deliver nutrients directly to the root zone, encouraging consistent growth and healthy development for aquarium plants. Designed for planted tanks with aquasoil or nutrient-rich substrates, without affecting water clarity.
free delivery
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Brightwell Aquatics Florin-Fe Aquarium Plant Iron Formula, 2L
DUAL IRON SUPPORT – Provides immediate and slow-release iron for optimal plant growth and sustained nutrient availability.
free delivery
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Brightwell Aquatics FlorinBase Laterin Substrat VF Clay Substrate, 25lbs
Provides long term nutrient availability with properties similar to hardened clay soils native to the environments where aquarium plants were originally collected
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Flora Micro - Iron and Micro Nutrient Fertilizer for Aquarium Plants - Enhances Leaf Color and Healthy Growth in Freshwater Aquariums - Part of the Flora Nutrition Series - 16.9 fl oz
Iron-Rich Micro Nutrient Blend: Supplies iron, magnesium, calcium, and trace elements essential for lush growth and vibrant leaf color in planted tanks
free delivery
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Brightwell Aquatics FlorinBase Laterin Substrat VF Clay Substrate, 15lbs
Provides long term nutrient availability with properties similar to hardened clay soils native to the environments where aquarium plants were originally collected
free delivery
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Thrive+ All in One Liquid Aquarium Plant Fertilizer – Highly Concentrated Aquatic Plant Fertilizer Solution – Nutrient-Rich Aquarium Plant Food – Convenient Usage – Effective Results (4000ml)
Healthy Plants: Keep your live aquarium plants happy and healthy with our aquarium fertilizer and watch them thrive. This fish tank fertilizer is suitable for high-tech setups with a pH under 7, but can also be used for low-tech setups.
free delivery
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API LEAF ZONE Freshwater Aquarium Plant Fertilizer 18-Ounce Bottle White
Contains one (1) API LEAF ZONE Freshwater Aquarium Plant Fertilizer 16-Ounce Bottle
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ThriveCaps | Aquarium Root Tab/Caps | NA Premium Root Caps 60 Count(1 gram Each) (3x60ct Jars)
NilocG Aquatics
free delivery
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Seachem Labs Flourish Comprehensive Plant Supplement -- 250 mL
AGE OF AQUARIUMS LIVE FISH AND PLANTS
free delivery
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ThriveCaps | Aquarium Root Tab/Caps | NA Premium Root Caps 60 Count(1 gram Each) (2x60ct Jars)
NilocG Aquatics
free delivery
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API PONDCARE AQUATIC PLANT FOOD TABLETS Potted Plant Fertilizer 3.8-ounce, 25 Tab (185A)
Contains one (1) PONDCARE AQUATIC PLANT FOOD TABLETS Potted Plant Fertilizer 3.8-ounce
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7% discount
Brightwell Aquatics FlorinBase Laterin Substrat VF Clay Substrate, 5lbs
Provides long term nutrient availability with properties similar to hardened clay soils native to the environments where aquarium plants were originally collected
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Seachem Flourish Freshwater Plant Supplement 500 ml and Seachem Flourish Potassium 500ml
Contains comprehensive plant supplements including potassium, calcium, magnesium, iron and other micro nutrients to help freshwater plants thrive. (Seachem Flourish)
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Flourish Iron, 20 L / 5.3 fl. gal.
Highly concentrated (10,000 mg/L) iron source for the planted aquarium
free delivery
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Brightwell Aquatics Florin-Fe Aquarium Plant Iron Formula, 250ml
DUAL IRON SUPPORT – Provides immediate and slow-release iron for optimal plant growth and sustained nutrient availability.
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Brightwell Aquatics FlorinBase Laterite Powder Iron Clay Substrate, 1000g
HIGH-IRON LATERITE CLAY – Rich in essential minerals, especially iron, to boost plant health, enhance color, and support long-term growth.
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Novique Root Tabs Freshwater Aquarium Plant Fertilizer Safe for Fish Shrimp and Planted Fish Tanks Slow Release
【Novique Root Tabs】: Aquarists often face challenges such as liquid fertilizer easily diluting and causing algae to proliferate, water plants lacking nutrients grow poorly, the bottom bed of a newly set aquarium lacks sufficient nutrition, and the maintenance process is cumbersome with high costs, and the water quality is prone to imbalance. This Root Tabs directly address these core pain points. With a scientific formula, it precisely supplies nutrients to ensure the growth of water plants.
free delivery
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Brightwell Aquatics FlorinBase Laterite Powder Iron Clay Substrate, 325g
HIGH-IRON LATERITE CLAY – Rich in essential minerals, especially iron, to boost plant health, enhance color, and support long-term growth.
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Brightwell Aquatics Ferrion Iron Supplement for Reef Aquariums, 20L
SUPPORTS PHOTOSYNTHETIC ORGANISMS – Provides essential iron for macroalgae, coralline algae, mangroves, marsh grasses, and zooxanthellate corals.
free delivery
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NilocG ThriveTabs Root Fertilizer Tablets for Planted Aquariums, 75 Count
COMPLETE ROOT NUTRITION – ThriveTabs provide NPK plus magnesium, iron and essential micronutrients directly in the substrate for rooted aquarium plants.
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MICROBE-LIFT Bloom and Grow Iron, Aquatic Plant Supplement, Brings Out Vibrant Color, Prevents Yellowing, 8oz
WHEN TO USE: This aquatic plant treatment should be used where additional iron is needed to prevent iron deficiency, or where signs of iron deficiency are present. This includes weak thin stems or yellowing between the veins of the leaf (chlorosis).
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5% discount
Seachem Flourish Iron 100 mL / 3.4 fl. oz.
Highly concentrated
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Seachem Plant Pack: Fundamentals 3-100 mL/3.4 fl. oz.
This product is easy to use
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Seachem Flourish Excel 500 ml and Seachem Flourish Tabs Growth Supplement - Aquatic Plant Stimulant 10 ct Bundle
Promotes photosynthesis and provides organic carbon (Flourish Excel). Also contains iron that promotes ferrous state for better plant utilization.
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We have found a total of 74 iron fertilizer deals at amazon, Chewy.com, Equestrian Collections, and other shops for you. The most popular brands include: Brightwell Aquatics, NilocG Aquatics, and Seachem. Today's offer is API Root TABS Freshwater Aquarium Plant Fertilizer 0.4-Ounce 10-Count Box (Pack of 2) with 20% discount. The lowest price we found in our offers is $ 7.99 . The highest price in our price comparison is $ 349.99 . Currently, we have selected 6 reliable shops for you to buy iron fertilizer affordably.