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Additives by Type: Freshwater Aquarium Supplements

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Brightwell Aquatics Clarifi-FW, 250 ml Brightwell Aquatics Clarifi-FW, 250 ml

Advanced Clarifier for all Freshwater and Planted Aquaria


  • Flocculant for improving water clarity in freshwater aquaria; helps eliminate cloudy water.
  • Binds particulate material suspended in aquarium water, enabling removal from the
    system by means of mechanical filtration.
  • Specifically formulated for use in freshwater aquaria; not to be used in marine aquaria.
  • Safe for use with all manner of freshwater fishes, plants, and invertebrates.

Our Price: $5.80
In Stock
Brightwell Aquatics Clarifi-FW, 500 ml Brightwell Aquatics Clarifi-FW, 500 ml

Advanced Clarifier for all Freshwater and Planted Aquaria


  • Flocculant for improving water clarity in freshwater aquaria; helps eliminate cloudy water.
  • Binds particulate material suspended in aquarium water, enabling removal from the
    system by means of mechanical filtration.
  • Specifically formulated for use in freshwater aquaria; not to be used in marine aquaria.
  • Safe for use with all manner of freshwater fishes, plants, and invertebrates.

Our Price: $8.80
In Stock
Trace & Minor Elements for Discus & other South American Riverine Fishes Brightwell Aquatics DiscusCode, 250 ml

Trace & Minor Elements for Discus & other South American Riverine Fishes


  • Unique complex that provides trace and minor elements in ratios found to be beneficial
    to discus and other fishes that share the same waters of origin
  • Provides minor and trace elements utilized in important neurological and metabolic
    reactions, and which are incorporated into natural biopigments for coloration
  • Replaces minor and trace elements used by aquarium inhabitants, and which are lost
    through chemical filtration (use of filtration media such as resins and activated carbon)
  • Composed of purified water and ultra-high purity materials
  • Formulated utilizing extensive research on chemistry of the waters naturally-inhabited
    by discus, as well as discus trace and minor element requirements

Our Price: $5.70
In Stock
Trace & Minor Elements for Discus & other South American Riverine Fishes Brightwell Aquatics DiscusCode, 500 ml

Trace & Minor Elements for Discus & other South American Riverine Fishes


  • Unique complex that provides trace and minor elements in ratios found to be beneficial
    to discus and other fishes that share the same waters of origin
  • Provides minor and trace elements utilized in important neurological and metabolic
    reactions, and which are incorporated into natural biopigments for coloration
  • Replaces minor and trace elements used by aquarium inhabitants, and which are lost
    through chemical filtration (use of filtration media such as resins and activated carbon)
  • Composed of purified water and ultra-high purity materials
  • Formulated utilizing extensive research on chemistry of the waters naturally-inhabited
    by discus, as well as discus trace and minor element requirements

Our Price: $9.20
In Stock
Brightwell Aquatics Florin Delta GH+ 250 grams Brightwell Aquatics Florin Delta GH+, 250 grams

Establishes Proper K+, Mg2+ & Ca2+ in purified & Soft Water for all Planted Aquarua

  • Establishes an optimal mineral balance in water that has been purified or is exceedingly-soft for all freshwater planted aquaria, as well as for biotope aquaria housing fishes indigenous to forested and/or riverine habitats.
  • Supplies potassium, magnesium, and calcium, elements which are vital to the overall health of aquatic plants, in beneficial ratios. Has higher solubility than competing supplements.
  • May be used to establish beneficial water parameters in aquaria filled with purified water, to replenish depleted mineral concentrations in aquaria that rarely receive a water change, and to re-establish mineral concentrations following large water changes.
  • Provides trace chloride, a valuable plant nutrient, in a beneficial concentration.
  • Formulated utilizing extensive research on aquatic plant nutrient requirements.

Our Price: $5.80
In Stock
Brightwell Aquatics Florin Delta GH+ 500 grams Brightwell Aquatics Florin Delta GH+, 500 grams

Establishes Proper K+, Mg2+ & Ca2+ in purified & Soft Water for all Planted Aquarua

  • Establishes an optimal mineral balance in water that has been purified or is exceedingly-soft for all freshwater planted aquaria, as well as for biotope aquaria housing fishes indigenous to forested and/or riverine habitats.
  • Supplies potassium, magnesium, and calcium, elements which are vital to the overall health of aquatic plants, in beneficial ratios. Has higher solubility than competing supplements.
  • May be used to establish beneficial water parameters in aquaria filled with purified water, to replenish depleted mineral concentrations in aquaria that rarely receive a water change, and to re-establish mineral concentrations following large water changes.
  • Provides trace chloride, a valuable plant nutrient, in a beneficial concentration.
  • Formulated utilizing extensive research on aquatic plant nutrient requirements.

Our Price: $9.80
In Stock
Brightwell Aquatics Florin Delta KH+, 250 grams Brightwell Aquatics Florin Delta KH+, 250 grams


  • Increases alkalinity (a.k.a. carbonate hardness or buffering capacity) in
    freshwater aquaria with a target pH of 7.8 or less.
  • Improves stability of pH.
  • Safe for use in all freshwater community and planted aquaria.
  • Composed of USP-grade ingredients.
  • Contains no phosphate-based buffering agents.

Our Price: $5.80
In Stock
Brightwell Aquatics Florin Delta KH+, 500 grams Brightwell Aquatics Florin Delta KH+, 500 grams


  • Increases alkalinity (a.k.a. carbonate hardness or buffering capacity) in
    freshwater aquaria with a target pH of 7.8 or less.
  • Improves stability of pH.
  • Safe for use in all freshwater community and planted aquaria.
  • Composed of USP-grade ingredients.
  • Contains no phosphate-based buffering agents.

Our Price: $9.80
In Stock
Brightwell Aquatics FlorinBacter, 250 ml Brightwell Aquatics FlorinBacter, 250 ml

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.

Our Price: $7.70
In Stock
Brightwell Aquatics FlorinBacter, 500 ml Brightwell Aquatics FlorinBacter, 500 ml

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.

Our Price: $14.10
In Stock
Brightwell Aquatics RainboCode, 250 ml Brightwell Aquatics RainboCode, 250 ml

Trace & Minor Elements for Rainbow Fishes, Blue-Eyes & other Tropic Fishes of Australia & New Guinea


  • Unique complex that provides trace and minor elements in ratios found to be beneficial to
    rainbowfish and other fishes that share the same waters of origin
  • Provides minor and trace elements utilized in important neurological and metabolic
    reactions, and which are incorporated into natural biopigments for coloration
  • Replaces minor and trace elements used by aquarium inhabitants, and which are lost
    through chemical filtration (use of filtration media such as resins and activated carbon)
  • Composed of purified water and ultra-high purity materials
  • Does not significantly increase GH or KH
  • Formulated utilizing extensive research on chemistry of the waters naturally-inhabited by
    rainbowfishes and blue-eyes, as well as their trace and minor element requirements

Our Price: $5.70
In Stock
Brightwell Aquatics RainboCode, 500 ml Brightwell Aquatics RainboCode, 500 ml

Trace & Minor Elements for Rainbow Fishes, Blue-Eyes & other Tropic Fishes of Australia & New Guinea


  • Unique complex that provides trace and minor elements in ratios found to be beneficial to
    rainbowfish and other fishes that share the same waters of origin
  • Provides minor and trace elements utilized in important neurological and metabolic
    reactions, and which are incorporated into natural biopigments for coloration
  • Replaces minor and trace elements used by aquarium inhabitants, and which are lost
    through chemical filtration (use of filtration media such as resins and activated carbon)
  • Composed of purified water and ultra-high purity materials
  • Does not significantly increase GH or KH
  • Formulated utilizing extensive research on chemistry of the waters naturally-inhabited by
    rainbowfishes and blue-eyes, as well as their trace and minor element requirements

Our Price: $9.20
In Stock