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Additives by Type: Planted Tank Additives
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Brightwell Aquatics BlackWater Conditioner for FW Aquaria, 250 ml
Brightwell Aquatics BlackWater Conditioner for FW Aquaria, 250 ml
Our Price: $5.70
In Stock


  • Establishes similar water conditions to those found in blackwater rivers, many of which are home to important fishes and plants
  • May be used to help simulate the onset of the rainy season for encouragement of fish spawning
  • Provides humic substances (humic and fluvic acid), complex bio-organic molecules known to increase the availability of important nutrients (such as iron, calcium, magnesium, molybdenum, copper, maganese, zinc, cobalt and nickel) to plants, potentially enhancing the effectiveness of plant nutrient solutions in aquaria
  • Formulated using extensive research on aquatic plant nutrient requirements and riverine water chemistry
Brightwell Aquatics BlackWater Conditioner for FW Aquaria, 500 ml
Brightwell Aquatics BlackWater Conditioner for FW Aquaria, 500 ml
Our Price: $9.20
(Out of Stock)


  • Establishes similar water conditions to those found in blackwater rivers, many of which are home to important fishes and plants
  • May be used to help simulate the onset of the rainy season for encouragement of fish spawning
  • Provides humic substances (humic and fluvic acid), complex bio-organic molecules known to increase the availability of important nutrients (such as iron, calcium, magnesium, molybdenum, copper, maganese, zinc, cobalt and nickel) to plants, potentially enhancing the effectiveness of plant nutrient solutions in aquaria
  • Formulated using extensive research on aquatic plant nutrient requirements and riverine water chemistry
Brightwell Aquatics Florin-Fe Ferrous & Ferric Iron for Planted FW Aquaria, 125 ml
Brightwell Aquatics Florin-Fe Ferrous & Ferric Iron for Planted FW Aquaria, 125 ml
Our Price: $3.80
In Stock


  • Provides both ferrous (Fe2+) and ferric (Fe3+) iron sources to maximize benefit to planted aquaria
  • Two-tiered approach to iron supplementation consists of one ingredient to deliver immediate iron and another ingredient that slowly releases iron during the light cycle, when the aquarium is illuminated
  • Over 50% stronger than most competing products
  • Formulated utilizing extensive research on aquatic plant nutrient requirements
Brightwell Aquatics Florin-Fe Ferrous & Ferric Iron for Planted FW Aquaria, 250 ml
Brightwell Aquatics Florin-Fe Ferrous & Ferric Iron for Planted FW Aquaria, 250 ml
Our Price: $5.70
In Stock


  • Provides both ferrous (Fe2+) and ferric (Fe3+) iron sources to maximize benefit to planted aquaria
  • Two-tiered approach to iron supplementation consists of one ingredient to deliver immediate iron and another ingredient that slowly releases iron during the light cycle, when the aquarium is illuminated
  • Over 50% stronger than most competing products
  • Formulated utilizing extensive research on aquatic plant nutrient requirements
Brightwell Aquatics Florin-Fe Ferrous & Ferric Iron for Planted FW Aquaria, 500 ml
Brightwell Aquatics Florin-Fe Ferrous & Ferric Iron for Planted FW Aquaria, 500 ml
Our Price: $9.20
In Stock


  • Provides both ferrous (Fe2+) and ferric (Fe3+) iron sources to maximize benefit to planted aquaria
  • Two-tiered approach to iron supplementation consists of one ingredient to deliver immediate iron and another ingredient that slowly releases iron during the light cycle, when the aquarium is illuminated
  • Over 50% stronger than most competing products
  • Formulated utilizing extensive research on aquatic plant nutrient requirements
Brightwell Aquatics FlorinAxis Carbon Source & Krebs Cycle Stimulator, 125 ml
Brightwell Aquatics FlorinAxis Carbon Source, 125 ml
Our Price: $3.80
In Stock


  • A concentrated source of bioavailable carbon, Krebs cycle intermediates, humic and amino acids, and naturally-occurring phytohormones
  • May be used as a primary or supplementary source of carbon (compatible with CO2 supplementation)
  • Provides key components of the Krebs cycle, the series of biochemical reactions that are ultimately responsible for converting complex organic molecules into energy in all aerobic organisms; benefits are more efficient metabolism of foods and available nutrients for fishes and plants alike, as well as enhanced decomposition of latent organic material
  • Provides naturally-derived sources of humic substances, which aid plants in the uptake of important nutrients such as iron, calcium, magnesium, etc., and can even increase the availability of these substances in the aquarium environment
  • Formulated utilizing extensive research on aquatic plant nutrient requirements and Molecular Biology
Brightwell Aquatics FlorinAxis Carbon Source & Krebs Cycle Stimulator, 250 ml
Brightwell Aquatics FlorinAxis Carbon Source, 250 ml
Our Price: $5.70
In Stock


  • A concentrated source of bioavailable carbon, Krebs cycle intermediates, humic and amino acids, and naturally-occurring phytohormones
  • May be used as a primary or supplementary source of carbon (compatible with CO2 supplementation)
  • Provides key components of the Krebs cycle, the series of biochemical reactions that are ultimately responsible for converting complex organic molecules into energy in all aerobic organisms; benefits are more efficient metabolism of foods and available nutrients for fishes and plants alike, as well as enhanced decomposition of latent organic material
  • Provides naturally-derived sources of humic substances, which aid plants in the uptake of important nutrients such as iron, calcium, magnesium, etc., and can even increase the availability of these substances in the aquarium environment
  • Formulated utilizing extensive research on aquatic plant nutrient requirements and Molecular Biology
Brightwell Aquatics FlorinAxis Carbon Source & Krebs Cycle Stimulator, 500 ml
Brightwell Aquatics FlorinAxis Carbon Source, 500 ml
Our Price: $9.20
In Stock


  • A concentrated source of bioavailable carbon, Krebs cycle intermediates, humic and amino acids, and naturally-occurring phytohormones
  • May be used as a primary or supplementary source of carbon (compatible with CO2 supplementation)
  • Provides key components of the Krebs cycle, the series of biochemical reactions that are ultimately responsible for converting complex organic molecules into energy in all aerobic organisms; benefits are more efficient metabolism of foods and available nutrients for fishes and plants alike, as well as enhanced decomposition of latent organic material
  • Provides naturally-derived sources of humic substances, which aid plants in the uptake of important nutrients such as iron, calcium, magnesium, etc., and can even increase the availability of these substances in the aquarium environment
  • Formulated utilizing extensive research on aquatic plant nutrient requirements and Molecular Biology
Brightwell Aquatics FlorinBacter, 250 ml
Brightwell Aquatics FlorinBacter, 250 ml
Our Price: $7.70
In Stock

Complete Bioculture for all Freshwater and Planted Aquaria

  • Suspension of non-pathogenic aerobic and anaerobic microbes, as well as natural
    enzymes, specifically formulated to establish biological filtration in new aquarium set-ups,
    and to enhance the rate of nitrification, denitrification, and organic waste degradation
    through complete nutrient remineralization. Specifically formulated for use in
    freshwater aquaria.
  • Particularly useful in freshwater aquaria with high population densities of fish species that
    are active swimmers and/or require frequent feeding
  • Supplied in a state of suspended animation for maximum longevity.
    Formulated utilizing extensive data compiled by microbiologists
Brightwell Aquatics FlorinBacter, 500 ml
Brightwell Aquatics FlorinBacter, 500 ml
Our Price: $14.10
In Stock

Complete Bioculture for all Freshwater and Planted Aquaria

  • Suspension of non-pathogenic aerobic and anaerobic microbes, as well as natural
    enzymes, specifically formulated to establish biological filtration in new aquarium set-ups,
    and to enhance the rate of nitrification, denitrification, and organic waste degradation
    through complete nutrient remineralization. Specifically formulated for use in
    freshwater aquaria.
  • Particularly useful in freshwater aquaria with high population densities of fish species that
    are active swimmers and/or require frequent feeding.
  • Supplied in a state of suspended animation for maximum longevity.
    Formulated utilizing extensive data compiled by microbiologists.
Brightwell Aquatics FlorinMulti Multi-Nutrient Fertilizer, 125 ml
Brightwell Aquatics FlorinMulti Multi-Nutrient Fertilizer, 125 ml
Our Price: $3.80
In Stock


  • Provides 14 elements critical to long-term health, growth, and coloration of aquatic plants
  • Elemental ratio reflects current understanding of general requirements for unrestricted growth of tropical aquatic plants
  • May be used to establish beneficial water parameters in new aquaria, to replenish depleted elemental concentrations in aquaria, to replenish depleted elemental concentrations in aquaria that rarely receive a water change, and to re-establish concentrations in aquaria following large water changes
  • Well-suited to the planted aquarium hobbyist seeking one simple solution to use for the majority of plant husbandry requirements (e.g. aside from instances when specific water parameters require adjustment).
  • Also provides 0.001% iodine to enable crustaceans (such as shrimp) to molt and grow
  • Formulated utilizing extensive research on aquatic plant nutrient requirements
Brightwell Aquatics FlorinMulti Multi-Nutrient Fertilizer, 250 ml
Brightwell Aquatics FlorinMulti Multi-Nutrient Fertilizer, 250 ml
Our Price: $5.70
In Stock


  • Provides 14 elements critical to long-term health, growth, and coloration of aquatic plants
  • Elemental ratio reflects current understanding of general requirements for unrestricted growth of tropical aquatic plants
  • May be used to establish beneficial water parameters in new aquaria, to replenish depleted elemental concentrations in aquaria, to replenish depleted elemental concentrations in aquaria that rarely receive a water change, and to re-establish concentrations in aquaria following large water changes
  • Well-suited to the planted aquarium hobbyist seeking one simple solution to use for the majority of plant husbandry requirements (e.g. aside from instances when specific water parameters require adjustment).
  • Also provides 0.001% iodine to enable crustaceans (such as shrimp) to molt and grow
  • Formulated utilizing extensive research on aquatic plant nutrient requirements
Brightwell Aquatics FlorinMulti Multi-Nutrient Fertilizer, 2L
Brightwell Aquatics FlorinMulti Multi-Nutrient Fertilizer, 2L
Our Price: $31.40
In Stock


  • Provides 14 elements critical to long-term health, growth, and coloration of aquatic plants
  • Elemental ratio reflects current understanding of general requirements for unrestricted growth of tropical aquatic plants
  • May be used to establish beneficial water parameters in new aquaria, to replenish depleted elemental concentrations in aquaria, to replenish depleted elemental concentrations in aquaria that rarely receive a water change, and to re-establish concentrations in aquaria following large water changes
  • Well-suited to the planted aquarium hobbyist seeking one simple solution to use for the majority of plant husbandry requirements (e.g. aside from instances when specific water parameters require adjustment).
  • Also provides 0.001% iodine to enable crustaceans (such as shrimp) to molt and grow
  • Formulated utilizing extensive research on aquatic plant nutrient requirements
Brightwell Aquatics FlorinMulti Multi-Nutrient Fertilizer, 500 ml
Brightwell Aquatics FlorinMulti Multi-Nutrient Fertilizer, 500 ml
Our Price: $9.20
(Out of Stock)


  • Provides 14 elements critical to long-term health, growth, and coloration of aquatic plants
  • Elemental ratio reflects current understanding of general requirements for unrestricted growth of tropical aquatic plants
  • May be used to establish beneficial water parameters in new aquaria, to replenish depleted elemental concentrations in aquaria, to replenish depleted elemental concentrations in aquaria that rarely receive a water change, and to re-establish concentrations in aquaria following large water changes
  • Well-suited to the planted aquarium hobbyist seeking one simple solution to use for the majority of plant husbandry requirements (e.g. aside from instances when specific water parameters require adjustment).
  • Also provides 0.001% iodine to enable crustaceans (such as shrimp) to molt and grow
  • Formulated utilizing extensive research on aquatic plant nutrient requirements
Seachem Equilibrium 300 gm
Seachem Equilibrium, 300 gm
Our Price: $6.30
In Stock

Seachem Equilibrium is specifically designed to establish the ideal mineral content for the planted aquarium. Equilibrium contains no sodium or chloride (which can be detrimental to a planted aquarium at elevated levels). Equilibrium is ideally suited for use with RO (reverse osmosis) or DI (deionized) water or any mineral deficient water. Equilibrium raises the essential mineral/electrolyte content (General Hardness) of the water to balance with and promote stability of the carbonate hardness.

To raise mineral content/general hardness (GH) by 1 meq/L (3 dH), add 16 g (1 tablespoon) for every 20 gallons when setting up an aquarium or when making water changes (add to new water).
Seachem Flourish Excel 250 ml
Seachem Flourish Excel, 250 ml
Our Price: $5.86
In Stock

Seachem Flourish Excel is a source of bioavailable organic carbon. All plants require a source of carbon. This is typically obtained from CO2, but, may also be derived from simple organic compounds (such as photosynthetic intermediates). The use of either CO2 injection or Flourish Excel does not necessarily negate the use of the other. Because the processes of producing photosynthetic intermediates and building onto them occur simultaneously, one can derive a substantial benefit with the use of Flourish Excel either alone or in conjunction with CO2 . The combination is particularly ideal for situations when continuing to add CO2 could result in dangerously low pH levels. Flourish Excel also has iron reducing properties which promote the ferrous state of iron, which is more easily utilized by plants than ferric iron.

  • Organic carbon for freshwater planted aquariums
  • Can be used alone or in conjunction with CO2 injection
  • Use one capful for every 50 gallons every day or every other day. The entire 250 ml bottle will treat 50 gallons for 1-2 months.
Seachem Flourish Excel 500 ml
Seachem Flourish Excel, 500 ml
Our Price: $9.38
In Stock

Seachem Flourish Excel is a source of bioavailable organic carbon. All plants require a source of carbon. This is typically obtained from CO2, but, may also be derived from simple organic compounds (such as photosynthetic intermediates). The use of either CO2 injection or Flourish Excel does not necessarily negate the use of the other. Because the processes of producing photosynthetic intermediates and building onto them occur simultaneously, one can derive a substantial benefit with the use of Flourish Excel either alone or in conjunction with CO2 . The combination is particularly ideal for situations when continuing to add CO2 could result in dangerously low pH levels. Flourish Excel also has iron reducing properties which promote the ferrous state of iron, which is more easily utilized by plants than ferric iron.

  • Organic carbon for freshwater planted aquariums
  • Can be used alone or in conjunction with CO2 injection
  • Use one capful for every 50 gallons every day or every other day. The entire 500 ml bottle will treat 100 gallons for 1-2 months.
Seachem Flourish Tabs 10 Pack
Seachem Flourish Tabs, 10 Pack
Our Price: $7.41
In Stock

Seachem Flourish Tabs are growth stimulating tablets for plant roots. They contain essential trace elements, amino acids, and vitamins. They are rich in iron, manganese, magnesium, calcium, potassium, inositol, choline B12, biotin, and other factors that have been determined to be beneficial to aquatic plant roots.

  • Growth stimulating tablets for plant roots in freshwater planted aquariums
  • Contain no phosphate or nitrate that would promote algae proliferation
  • Each pack of ten tablets treats a 12 X 30 inch plant bed twice
Seachem Flourish Tabs 40 Pack
Seachem Flourish Tabs, 40 Pack
Our Price: $22.29
In Stock

Seachem Flourish Tabs are growth stimulating tablets for plant roots. They contain essential trace elements, amino acids, and vitamins. They are rich in iron, manganese, magnesium, calcium, potassium, inositol, choline B12, biotin, and other factors that have been determined to be beneficial to aquatic plant roots.

  • Growth stimulating tablets for plant roots in freshwater planted aquariums
  • Contain no phosphate or nitrate that would promote algae proliferation
  • Each pack of ten tablets treats a 12 X 30 inch plant bed twice
Seachem Flourish 250 ml
Seachem Flourish, 250 ml
Our Price: $5.86
In Stock

Seachem Flourish is a comprehensive plant supplement for the natural freshwater aquarium. It contains a rich assortment of important micro elements, trace elements and other nutrients. These include calcium, magnesium, iron and other important elements that have been shown to be beneficial to aquatic plants.

  • For freshwater planted aquariums
  • Use one capful for every 60 gallons once or twice a week. The entire 250 ml bottle will treat 100 gallons for 4-6 months.