Seachem Flourish Nitrogen (100ml / 250ml / 500ml)
Seachem Flourish Nitrogen is a concentrated nitrogen supplement for freshwater planted aquariums. It provides nitrogen in both nitrate and ammonium forms, making it readily available for plant uptake and helping prevent nitrogen deficiency.
Nitrogen is a key macronutrient required for healthy leaf growth and overall plant development, especially in heavily planted or high-light aquariums.
Features & Benefits:
Concentrated nitrogen supplement for aquatic plants
Provides nitrogen in multiple bioavailable forms
Helps prevent and correct nitrogen deficiency
Supports healthy leaf growth and plant development
Ideal for heavily planted and high-light aquariums
Suitable for freshwater planted aquariums
Trusted quality by Seachem
Available Sizes:
Flourish Nitrogen – 100ml
Flourish Nitrogen – 250ml
Flourish Nitrogen – 500ml
For freshwater aquariums only. Use as directed. Best used as part of a complete fertilization program.
Seachem Flourish Phosphorus (100ml / 250ml / 500ml)
Seachem Flourish Phosphorus is a concentrated phosphorus supplement for freshwater planted aquariums. It helps prevent and correct phosphorus deficiency, supporting healthy plant growth, strong roots, and improved overall plant vitality.
Phosphorus is an essential macronutrient required for energy transfer and growth, especially in heavily planted or high-light aquariums.
Features & Benefits:
Concentrated phosphorus supplement for aquatic plants
Helps prevent and correct phosphorus deficiency
Supports healthy growth and plant vitality
Ideal for heavily planted and high-light aquariums
Suitable for freshwater planted aquariums
Trusted quality by Seachem
Available Sizes:
Flourish Phosphorus – 100ml
Flourish Phosphorus – 250ml
Flourish Phosphorus – 500ml
For freshwater aquariums only. Use as directed. Best used as part of a complete fertilization program.
Seachem Flourish Potassium (100ml / 250ml / 500ml)
Seachem Flourish Potassium is a concentrated potassium supplement for freshwater planted aquariums. Potassium is a vital macronutrient that supports strong plant growth, improved leaf development, and overall plant health.
This supplement helps prevent potassium deficiency, which can cause yellowing leaves, weak stems, and poor growth, especially in high-light or heavily planted aquariums.
Features & Benefits:
Concentrated potassium supplement for aquatic plants
Helps prevent and correct potassium deficiency
Supports strong growth and healthy leaf development
Ideal for heavily planted and high-light aquariums
Safe for fish, shrimp, and other invertebrates
Trusted quality by Seachem
Available Sizes:
Flourish Potassium – 100ml
Flourish Potassium – 250ml
Flourish Potassium – 500ml
For freshwater aquariums only. Use as directed. Best used as part of a complete plant fertilization program.
Seachem Flourish Tabs – 10 Pack
Seachem Flourish Tabs are nutrient-rich root tabs designed to provide essential elements directly to the root zone of aquatic plants. Ideal for heavy root feeders such as swords, crypts, and lotus, they help promote strong root development and healthy, sustained plant growth.
Each tab is formulated to supply a balanced blend of trace elements, vitamins, and minerals, making them perfect for planted aquariums with gravel or sand substrates.
Features & Benefits:
Nutrient-rich root tabs for planted aquariums
Feeds plants directly at the root zone
Ideal for heavy root-feeding plants
Supports strong root development and healthy growth
Long-lasting nutrient release
Suitable for freshwater planted aquariums
Trusted quality by Seachem
Pack Size:
10 Tabs
Insert tabs into the substrate near plant roots. Use as directed.
Seachem Flourish Trace (100ml / 250ml / 500ml)
Seachem Flourish Trace is a concentrated supplement of essential trace elements required for proper aquatic plant growth in freshwater aquariums. These micronutrients are rapidly consumed in planted tanks and must be replenished regularly to maintain healthy growth and vibrant coloration.
Flourish Trace is designed to be used in combination with Seachem Flourish and other Seachem plant supplements to create a complete and balanced fertilization system. It supports overall plant vitality and promotes strong, healthy growth.
Features & Benefits:
Supplies essential trace elements for aquatic plants
Helps prevent trace element deficiencies
Supports healthy growth and vibrant plant coloration
Ideal for all freshwater planted aquariums
Safe for fish, shrimp, and other invertebrates
Trusted quality by Seachem
Available Sizes:
Flourish Trace – 100ml
Flourish Trace – 250ml
Flourish Trace – 500ml
For freshwater aquariums only. Use as directed. Best used as part of a complete plant fertilization program.
Seachem Flourite (3.5kg / 7kg)
Seachem Flourite is a premium clay-based substrate designed specifically for planted aquariums. It provides a stable, nutrient-rich foundation for root development, promoting healthy growth for aquatic plants without altering water chemistry.
Ideal for long-term planted tanks, Flourite supports strong root systems and vibrant plant coloration while remaining inert and safe for fish, shrimp, and invertebrates.
Features & Benefits:
Nutrient-rich clay substrate for planted aquariums
Supports healthy root development and plant growth
Does not alter water chemistry
Ideal for long-term planted tanks
Safe for fish, shrimp, and other invertebrates
Trusted quality by Seachem
Available Sizes:
Flourite – 3.5kg
Flourite – 7kg
For freshwater aquariums only. Rinse thoroughly before use. Best used as part of a complete planted aquarium setup.
Seachem Flourite Black 3.5kg–7kg
Description
Seachem Flourite Black is a premium, porous clay gravel specifically designed for planted aquariums. Its rich black color enhances the natural beauty of aquatic plants and fish while providing an optimal substrate that promotes strong root development. The unique porous structure supports beneficial bacterial colonization, helping to maintain healthy biological filtration. Flourite Black is easy to rinse and ideal for both freshwater and planted aquarium setups.
Key Features
Natural porous clay gravel substrate
Deep black color for dramatic contrast and visual appeal
Promotes strong plant root growth
Supports beneficial bacterial colonization
Easy to rinse and aquarium‑ready
Suitable for planted freshwater aquariums
Benefits
Enhances the look of planted tanks with rich, uniform black color
Provides a stable substrate that encourages vigorous plant growth
Improves biological filtration through porous structure
Helps maintain healthy aquarium conditions
Long‑lasting, non‑muddy gravel that won’t cloud water after rinsing
Usage
Rinse Flourite Black thoroughly with clean water before use
Spread substrate evenly across the aquarium bottom
Use a depth of 2–3 inches (5–7 cm) for planted aquariums
Position plants and add appropriate root tabs or fertilizers as needed
Perform regular maintenance with gentle vacuuming to avoid disturbing roots
Top up substrate during tank upgrades or plant rearrangements
Seachem Flourite Black Sand 3.5–7kg
Description
Seachem Flourite Black Sand is a premium aquarium substrate designed for planted freshwater tanks. Its fine, natural black sand enhances the visual appeal of aquariums while providing a stable and nutrient‑rich base for aquatic plants. The porous composition supports beneficial bacterial growth and strong root development, creating a healthy environment for plants and fish. Flourite Black Sand is easy to rinse and aquarium‑ready, making it ideal for both new setups and aquascaping projects.
Key Features
Fine natural black sand substrate
Promotes strong plant root growth
Supports beneficial bacterial colonization
Deep black color enhances aquarium aesthetics
Easy to rinse and aquarium‑ready
Suitable for freshwater planted aquariums
Benefits
Creates a stunning, high‑contrast look in planted tanks
Provides a fertile base for healthy plant growth
Encourages biological filtration through its porous structure
Helps maintain clearer water with minimal cloudiness
Long‑lasting substrate that supports stable aquarium conditions
Usage
Rinse Flourite Black Sand thoroughly with clean water before use
Spread evenly on the aquarium bottom
Use a depth of 2–3 inches (5–7 cm) for planted aquarium setups
Position plants and add appropriate root tabs or fertilizers as needed
Perform regular gentle vacuuming to maintain cleanliness without disturbing roots
Add water slowly over a plate or dish to avoid substrate displacement
Seachem Flourite Dark 3.5–7kg
Description
Seachem Flourite Dark is a high‑quality, porous clay gravel substrate designed for planted freshwater aquariums. Its rich, natural dark tones provide an attractive contrast that enhances the appearance of plants and fish. The porous structure promotes beneficial bacterial colonization and supports strong root development, helping establish and maintain a healthy, thriving aquatic environment. Flourite Dark is easy to rinse and aquarium‑ready, making it suitable for both new setups and aquascaping projects.
Key Features
Porous clay gravel substrate ideal for planted tanks
Rich dark color for enhanced aquarium aesthetics
Promotes strong plant root growth
Supports beneficial bacterial colonization
Easy to rinse and aquarium‑ready
Suitable for freshwater planted aquariums
Benefits
Creates a visually striking foundation in aquarium setups
Encourages healthy plant growth and root development
Enhances biological filtration with its porous composition
Helps maintain stable, healthy aquarium conditions
Long‑lasting substrate with minimal cloudiness after rinsing
Usage
Rinse Flourite Dark thoroughly with clean water before use
Spread evenly across the aquarium bottom
Use a depth of 2–3 inches (5–7 cm) for planted aquarium setups
Position plants and add appropriate root tabs or fertilizers as needed
Add water slowly to avoid disturbing the substrate
Perform routine gentle vacuuming to maintain cleanliness without disrupting roots
Seachem Flourite Sand 3.5–7kg
Description
Seachem Fluorite Sand is a premium, natural fine‑grain substrate designed for freshwater planted aquariums. Combining the aesthetics of sand with the nutrient‑rich, porous structure of Fluorite, it promotes healthy root growth and supports beneficial bacterial colonization. Its subtle, natural tones enhance the look of aquatic plants and fish while providing a stable, aquarium‑ready base for long‑term tank success.
Key Features
Fine natural sand substrate
Porous structure that supports plant roots and bacteria
Aquarium‑ready with easy rinsing
Subtle natural coloration for enhanced tank aesthetics
Ideal for planted freshwater aquariums
Benefits
Encourages healthy plant root development
Enhances biological filtration and aquarium stability
Creates a smooth, attractive substrate surface
Minimal cloudiness after rinsing
Suitable for a variety of planted aquarium designs
Usage
Rinse Fluorite Sand thoroughly with clean water before use
Spread evenly across the aquarium bottom
Use a depth of 2–3 inches (5–7 cm) for planted setups
Position plants and add appropriate root tabs or fertilizers as needed
Add water slowly to avoid disturbing the substrate
Perform routine gentle vacuuming to maintain cleanliness
Seachem Fluorite Red 3.5–7kg
Description
Seachem Fluorite Red is a premium aquarium substrate specially formulated for freshwater planted tanks. Its rich red and earthy tones create a stunning visual backdrop that enhances plant colors and fish contrast. The porous clay structure promotes beneficial bacterial growth and supports strong root establishment, making it ideal for long‑term plant health and overall aquarium stability. Fluorite Red is easy to rinse and aquarium‑ready for immediate use.
Key Features
Porous clay gravel substrate
Rich red and earthy color tones
Promotes strong plant root growth
Supports beneficial bacterial colonization
Easy to rinse and aquarium‑ready
Designed for freshwater planted aquariums
Benefits
Adds vibrant, eye‑catching aesthetics to planted tanks
Encourages healthy plant root development
Enhances biological filtration with porous structure
Helps maintain stable, healthy aquarium conditions
Long‑lasting substrate with minimal water cloudiness after rinsing
Usage
Rinse Fluorite Red thoroughly with clean water before use
Spread evenly across the aquarium bottom
Use a depth of 2–3 inches (5–7 cm) for planted aquarium setups
Position plants and add appropriate root tabs or fertilizers as needed
Add water slowly over a plate or dish to avoid disturbing substrate
Perform routine gentle vacuuming to maintain cleanliness
Seachem Focus
Treat fish effectively while protecting your aquarium with Seachem Focus from Seachem. This antibacterial polymer helps bind medications to fish food, allowing targeted treatment of internal infections while reducing the amount of medication released into the water. It is ideal for use in both freshwater and marine aquariums.
Key Features
Binds medications to fish food for targeted treatment
Helps treat internal infections in fish
Suitable for freshwater and marine aquariums
Reduces medication entering the aquarium water
Easy to mix with medicated foods
Benefits
✅ Allows targeted treatment directly through fish food✅ Helps reduce stress on the aquarium environment✅ Improves the effectiveness of many fish medications✅ Safe for use in freshwater and marine systems✅ Helps limit medication exposure to other tank inhabitants
Instructions for Use
Mix the recommended amount of medication with fish food.
Add an equal amount of Focus to the mixture.
Add a few drops of water and mix to form a paste.
Allow the mixture to sit for a few minutes so it binds properly.
Feed the medicated food to your fish as directed during treatment.