Categories
Online Shopping Blog
Today's Deals
Categories
Online Shopping Blog
Today's Deals
Categories
Online Shopping Blog
Today's Deals
Categories
Online Shopping Blog
Today's Deals
Best Aquatic Plant Food For Aquarium of 2026
Last updated on 07/01/2026
Advertising disclosure
Advertising disclosure
Most Relevant
Most Relevant
Best Discount
Lowest Price
Electronics
Home & Kitchen
Computers
Office Supplies
Toys & Games
Sports & Fitness
Home
Garden
Categories
Gardening
Fertilisers & Plant Food
Water Plant Fertilisers
Most Relevant
Most Relevant
Best Discount
Lowest Price
Best Choice
1
TNC Complete - Plant Fertilizer Aquarium/Aquatic Plant Food (2500ml)
TNC
Why we love it
Safe for aquatic life.
Promotes lush plant growth.
Highly economical formula.
Main Highlights
TNC Complete has ALL the nutrients required for lush, healthy growth in both red and green plants
Contains essential nitrate*, phosphate** (if you don't need N & P - choose 'TNC Lite')
Will not cause algae and is safe for shrimp, snails, other inverts and fish
Ideal for high light / CO2 or Carbon supplemented aquariums - alternatively search TNC Lite
Economic - Concentrated formula & integrated measuring bottle - 1000ml will treat 10000 litres of tank water
Show More
9.8
Exceptional
Check Price
9.8
Exceptional
TNC
TNC Complete - Plant Fertilizer Aquarium/Aquatic Plant Food (2500ml)
Check Price
Show More
Why we love it
Safe for aquatic life.
Promotes lush plant growth.
Highly economical formula.
Main Highlights
TNC Complete has ALL the nutrients required for lush, healthy growth in both red and green plants
Contains essential nitrate*, phosphate** (if you don't need N & P - choose 'TNC Lite')
Will not cause algae and is safe for shrimp, snails, other inverts and fish
Ideal for high light / CO2 or Carbon supplemented aquariums - alternatively search TNC Lite
Economic - Concentrated formula & integrated measuring bottle - 1000ml will treat 10000 litres of tank water
Show More
Value for Money
2
TNC Complete - Plant Fertilizer Aquarium/Aquatic Plant Food (1000ml)
TNC
6% Off
Why we love it
Ensures lush, healthy growth.
Safe for all aquatic life.
Highly economical and efficient.
Main Highlights
TNC Complete has ALL the nutrients required for lush, healthy growth in both red and green plants
Contains essential nitrate*, phosphate** (if you don't need N & P - choose 'TNC Lite')
Will not cause algae and is safe for shrimp, snails, other inverts and fish
Ideal for high light / CO2 or Carbon supplemented aquariums - alternatively search TNC Lite
Economic - Concentrated formula & integrated measuring bottle - 1000ml will treat 10000 litres of tank water
Show More
9.7
Exceptional
Check Price
9.7
Exceptional
TNC
TNC Complete - Plant Fertilizer Aquarium/Aquatic Plant Food (1000ml)
6% Off
Check Price
Show More
Why we love it
Ensures lush, healthy growth.
Safe for all aquatic life.
Highly economical and efficient.
Main Highlights
TNC Complete has ALL the nutrients required for lush, healthy growth in both red and green plants
Contains essential nitrate*, phosphate** (if you don't need N & P - choose 'TNC Lite')
Will not cause algae and is safe for shrimp, snails, other inverts and fish
Ideal for high light / CO2 or Carbon supplemented aquariums - alternatively search TNC Lite
Economic - Concentrated formula & integrated measuring bottle - 1000ml will treat 10000 litres of tank water
Show More
3
TNC Lite - Aquarium plant food/Aquatic fertiliser WITHOUT Nitrate and Phosphate (500ml)
TNC
Why we love it
Contains essential nutrients.
Safe for all aquatic life.
Highly concentrated and economic.
Main Highlights
Universal fertiliser containing iron, and other essential nutrients for lush growth in both red and green plants
Nitrate and Phosphate free (if you need N & P – choose 'TNC Complete')
Will not cause algae and is safe for shrimp, snails, other inverts and fish
Suitable for tropical and cold water aquariums & can be used with carbon filters
Economic. Concentrated formula & integrated measuring bottle - 500ml will treat 5000 litres of tank water
Show More
9.6
Superb
Check Price
9.6
Superb
TNC
TNC Lite - Aquarium plant food/Aquatic fertiliser WITHOUT Nitrate and Phosphate (500ml)
Check Price
Show More
Why we love it
Contains essential nutrients.
Safe for all aquatic life.
Highly concentrated and economic.
Main Highlights
Universal fertiliser containing iron, and other essential nutrients for lush growth in both red and green plants
Nitrate and Phosphate free (if you need N & P – choose 'TNC Complete')
Will not cause algae and is safe for shrimp, snails, other inverts and fish
Suitable for tropical and cold water aquariums & can be used with carbon filters
Economic. Concentrated formula & integrated measuring bottle - 500ml will treat 5000 litres of tank water
Show More
4
TNC Complete - Liquid Aquarium Plant Food/Aquatic fertiliser (500ml)
TNC
Why we love it
Safe for all tank inhabitants.
Supports lush, healthy growth.
Extremely cost-effective solution.
Main Highlights
TNC Complete has ALL the nutrients required for lush, healthy growth in both red and green plants
Contains essential nitrate*, phosphate** (if you don't need N & P - choose 'TNC Lite')
Will not cause algae and is safe for shrimp, snails, other inverts and fish
Ideal for high light / CO2 or Carbon supplemented aquariums - alternatively search TNC Lite
Concentrated and economical plant food. 500ml will treat up to 5000 litres of tank water
Show More
9.5
Superb
Check Price
9.5
Superb
TNC
TNC Complete - Liquid Aquarium Plant Food/Aquatic fertiliser (500ml)
Check Price
Show More
Why we love it
Safe for all tank inhabitants.
Supports lush, healthy growth.
Extremely cost-effective solution.
Main Highlights
TNC Complete has ALL the nutrients required for lush, healthy growth in both red and green plants
Contains essential nitrate*, phosphate** (if you don't need N & P - choose 'TNC Lite')
Will not cause algae and is safe for shrimp, snails, other inverts and fish
Ideal for high light / CO2 or Carbon supplemented aquariums - alternatively search TNC Lite
Concentrated and economical plant food. 500ml will treat up to 5000 litres of tank water
Show More
5
NT Labs Plantus, Fertiliser for Aquatic Plants, Plant Nutrition for Aquarium Plants, Suitable for Estimative Index Dosing, Aquascaping Essential, For Freshwater Aquariums. (245ml - Treats 7000L)
NT Labs
25% Off
Why we love it
Complete nutrition for aquatic plants.
Maximizes growth with excess nutrients.
Versatile usage for any aquarium.
Main Highlights
【 COMPLETE PLANT FERTILISER FOR AQUASCAPERS】: Plantus is a complete fertiliser for your freshwater aquatic plants. It contains all macro and micronutrients needed for optimum plant health and growth.
【SUITABLE FOR ESTIMATIVE INDEXING】: The formulation of Plantus is based on the Estimative Index concept for dosing, where plant nutrients and vital trace elements are provided in abundance. Plant growth is limited by the least available nutrient, so by providing these in excess, plant growth is maximised. The unused nutrients are then removed from the system during a water change.
【VERSATILE USAGE】: Plantus can be used as a daily or weekly plant fertiliser depending on your aquarium.
【BALANCED FORMULATION】: The macro and micronutrients are balanced in a way to prevent algae growth in an aquarium of healthy plants when supported with sufficient lighting and CO2 where required.
【ALL-IN-ONE FORMULATION】: N 0.18%, P2O5 0.17%, K2O 1.11%, MgO 0.36%. Potassium Nitrate, Potassium phosphate monobasic, Magnesium sulphate heptahydrate, EDTA, DTPA, Potassium sulphate. Trace Element mixture including: Boron, Zinc, Copper, Cobalt, Manganese, Molybdenum and Iron.
Show More
9.4
Superb
Check Price
9.4
Superb
NT Labs
NT Labs Plantus, Fertiliser for Aquatic Plants, Plant Nutrition for Aquarium Plants, Suitable for Estimative Index Dosing, Aquascaping Essential, For Freshwater Aquariums. (245ml - Treats 7000L)
25% Off
Check Price
Show More
Why we love it
Complete nutrition for aquatic plants.
Maximizes growth with excess nutrients.
Versatile usage for any aquarium.
Main Highlights
【 COMPLETE PLANT FERTILISER FOR AQUASCAPERS】: Plantus is a complete fertiliser for your freshwater aquatic plants. It contains all macro and micronutrients needed for optimum plant health and growth.
【SUITABLE FOR ESTIMATIVE INDEXING】: The formulation of Plantus is based on the Estimative Index concept for dosing, where plant nutrients and vital trace elements are provided in abundance. Plant growth is limited by the least available nutrient, so by providing these in excess, plant growth is maximised. The unused nutrients are then removed from the system during a water change.
【VERSATILE USAGE】: Plantus can be used as a daily or weekly plant fertiliser depending on your aquarium.
【BALANCED FORMULATION】: The macro and micronutrients are balanced in a way to prevent algae growth in an aquarium of healthy plants when supported with sufficient lighting and CO2 where required.
【ALL-IN-ONE FORMULATION】: N 0.18%, P2O5 0.17%, K2O 1.11%, MgO 0.36%. Potassium Nitrate, Potassium phosphate monobasic, Magnesium sulphate heptahydrate, EDTA, DTPA, Potassium sulphate. Trace Element mixture including: Boron, Zinc, Copper, Cobalt, Manganese, Molybdenum and Iron.
Show More
6
API LEAF ZONE Freshwater Aquarium Plant Fertilizer 473 ml Bottle
API
Why we love it
Promotes healthy plant growth.
Prevents leaf decay.
Nutrient-rich formulation.
Main Highlights
Contains one (1) API LEAF ZONE Freshwater Aquarium Plant Fertilizer 473 ml Bottle
Promotes strong, hardy and colourful leaves and prevents yellow, decaying leaves
Contains essential nutrients including chelated iron and potassium
Formulated for rapid absorption in freshwater aquarium plants
Use for weekly monitoring and when water or fish problems appear
Show More
9.4
Superb
Check Price
9.4
Superb
API
API LEAF ZONE Freshwater Aquarium Plant Fertilizer 473 ml Bottle
Check Price
Show More
Why we love it
Promotes healthy plant growth.
Prevents leaf decay.
Nutrient-rich formulation.
Main Highlights
Contains one (1) API LEAF ZONE Freshwater Aquarium Plant Fertilizer 473 ml Bottle
Promotes strong, hardy and colourful leaves and prevents yellow, decaying leaves
Contains essential nutrients including chelated iron and potassium
Formulated for rapid absorption in freshwater aquarium plants
Use for weekly monitoring and when water or fish problems appear
Show More
7
TNC Complete - Liquid Aquarium Plant Food/Aquatic fertiliser (250ml)
TNC
Why we love it
Promotes lush plant growth.
Safe for all aquatic life.
Highly concentrated and economical.
Main Highlights
TNC Complete has ALL the nutrients required for lush, healthy growth in both red and green plants
Contains essential nitrate*, phosphate**, magnesium, iron and other trace elements
Will not cause algae and is safe for shrimp, snails, other inverts and fish
Ideal for high light / CO2 or Carbon supplemented aquariums - alternatively search TNC Lite
Economic - Concentrated formula & integrated measuring bottle - 250ml will treat 2500 litres of tank water
Show More
9.2
Superb
Check Price
9.2
Superb
TNC
TNC Complete - Liquid Aquarium Plant Food/Aquatic fertiliser (250ml)
Check Price
Show More
Why we love it
Promotes lush plant growth.
Safe for all aquatic life.
Highly concentrated and economical.
Main Highlights
TNC Complete has ALL the nutrients required for lush, healthy growth in both red and green plants
Contains essential nitrate*, phosphate**, magnesium, iron and other trace elements
Will not cause algae and is safe for shrimp, snails, other inverts and fish
Ideal for high light / CO2 or Carbon supplemented aquariums - alternatively search TNC Lite
Economic - Concentrated formula & integrated measuring bottle - 250ml will treat 2500 litres of tank water
Show More
8
API LEAF ZONE Freshwater Aquarium Plant Fertilizer 237 ml Bottle
API
34% Off
Why we love it
Promotes colorful, hardy leaves.
Contains essential nutrients.
Formulated for rapid absorption.
Main Highlights
Contains one (1) API LEAF ZONE Freshwater Aquarium Plant Fertilizer 237 ml Bottle
Promotes strong, hardy and colourful leaves and prevents yellow, decaying leaves
Contains essential nutrients including chelated iron and potassium
Formulated for rapid absorption in freshwater aquarium plants
Use for weekly monitoring and when water or fish problems appear
Show More
9.2
Superb
Check Price
9.2
Superb
API
API LEAF ZONE Freshwater Aquarium Plant Fertilizer 237 ml Bottle
34% Off
Check Price
Show More
Why we love it
Promotes colorful, hardy leaves.
Contains essential nutrients.
Formulated for rapid absorption.
Main Highlights
Contains one (1) API LEAF ZONE Freshwater Aquarium Plant Fertilizer 237 ml Bottle
Promotes strong, hardy and colourful leaves and prevents yellow, decaying leaves
Contains essential nutrients including chelated iron and potassium
Formulated for rapid absorption in freshwater aquarium plants
Use for weekly monitoring and when water or fish problems appear
Show More
9
Aquarium plant fertiliser – ARKA Plants Green 118 ml – promotes lush growth & deep roots – complete liquid fertiliser with iron, vitamins & trace elements – easy dosing – for vibrant freshwater tanks
ARKA
Why we love it
Boosts vibrant plant growth.
Strengthens roots for stability.
Simple, economical application method.
Main Highlights
Boosts plant health & colour – delivers essential micronutrients for rich green leaves & dense growth – supports lush, stable plant masses in all freshwater aquariums.
Strengthens roots effectively – includes iron, vitamins & trace minerals to promote strong root systems – perfect for aquascapes, planted tanks & new setups.
Complete nutrient supply – with chelated iron, boron, manganese & key microelements – supports healthy photosynthesis & long-term vitality of aquatic plants.
Simple to use & economical – dose 5 ml per 100 L of water – adapt based on light & CO₂ – suitable for weekly or daily use – clear formula, no clouding or residue.
Premium quality from ARKA – developed for aquascapers & plant lovers – free from animal ingredients – made in Germany – ideal with CO₂ systems & Plants Fe.
Show More
9.0
Superb
Check Price
9.0
Superb
ARKA
Aquarium plant fertiliser – ARKA Plants Green 118 ml – promotes lush growth & deep roots – complete liquid fertiliser with iron, vitamins & trace elements – easy dosing – for vibrant freshwater tanks
Check Price
Show More
Why we love it
Boosts vibrant plant growth.
Strengthens roots for stability.
Simple, economical application method.
Main Highlights
Boosts plant health & colour – delivers essential micronutrients for rich green leaves & dense growth – supports lush, stable plant masses in all freshwater aquariums.
Strengthens roots effectively – includes iron, vitamins & trace minerals to promote strong root systems – perfect for aquascapes, planted tanks & new setups.
Complete nutrient supply – with chelated iron, boron, manganese & key microelements – supports healthy photosynthesis & long-term vitality of aquatic plants.
Simple to use & economical – dose 5 ml per 100 L of water – adapt based on light & CO₂ – suitable for weekly or daily use – clear formula, no clouding or residue.
Premium quality from ARKA – developed for aquascapers & plant lovers – free from animal ingredients – made in Germany – ideal with CO₂ systems & Plants Fe.
Show More
10
NPK Aquarium Fertiliser – ARKA Plants NPK 118 ml – complete macronutrients with nitrate, phosphate & potassium – boosts growth, leaf strength & colour – ideal for aquascaping & CO₂ plant tanks
ARKA
Why we love it
Lush growth and vibrant colors.
Prevents nutrient deficiencies effectively.
Safe for shrimp and sensitive species.
Main Highlights
Complete NPK fertiliser for aquatic plants – delivers nitrate, phosphate & potassium in ideal ratio – ensures lush growth, vibrant colour & strong leaves in all CO₂ or high-light planted tanks.
Fills macronutrient gaps & prevents deficiencies – suitable for stem plants, mosses, carpeting plants & epiphytes – supports healthy development & long-term stability of aquatic flora.
Ideal for aquascaping & community tanks – safe for shrimp & sensitive species – works in CO₂-injected setups or low-tech aquariums – developed for demanding freshwater aquarists.
Easy dosing with precise control – 5 ml daily per 100 L for high light tanks, 2 ml for low light – once a week if no CO₂ used – fast absorption with no clouding or waste buildup.
ARKA quality – made in Germany – proven by professional aquascapers & breeders – part of the trusted ARKA plant care system – innovative formula for long-lasting success in planted aquariums.
Show More
8.8
Excellent
Check Price
8.8
Excellent
ARKA
NPK Aquarium Fertiliser – ARKA Plants NPK 118 ml – complete macronutrients with nitrate, phosphate & potassium – boosts growth, leaf strength & colour – ideal for aquascaping & CO₂ plant tanks
Check Price
Show More
Why we love it
Lush growth and vibrant colors.
Prevents nutrient deficiencies effectively.
Safe for shrimp and sensitive species.
Main Highlights
Complete NPK fertiliser for aquatic plants – delivers nitrate, phosphate & potassium in ideal ratio – ensures lush growth, vibrant colour & strong leaves in all CO₂ or high-light planted tanks.
Fills macronutrient gaps & prevents deficiencies – suitable for stem plants, mosses, carpeting plants & epiphytes – supports healthy development & long-term stability of aquatic flora.
Ideal for aquascaping & community tanks – safe for shrimp & sensitive species – works in CO₂-injected setups or low-tech aquariums – developed for demanding freshwater aquarists.
Easy dosing with precise control – 5 ml daily per 100 L for high light tanks, 2 ml for low light – once a week if no CO₂ used – fast absorption with no clouding or waste buildup.
ARKA quality – made in Germany – proven by professional aquascapers & breeders – part of the trusted ARKA plant care system – innovative formula for long-lasting success in planted aquariums.
Show More
