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Brightwell Aquatics Reef Code Part A - 250 ml
Brightwell Aquatics Reef Code Part A - 250 ml
Our Price: $4.49


  • The calcium-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing alkalinity (”buffering capacity”)) in the same ratio as that found in natural seawater. 

  • Ionically-balanced with respect to natural seawater concentrations of calcium and carbonates when used in equal amounts with Reef Côde B. 

  • Benefits reef-building organisms such as corals, clams, calcareous algae, etc. 

  • Simplifies calcium and alkalinity maintenance. 

  • Stronger than most competing products. 

  • Contains no phosphate, silicate, or organic material. 

  • Formulated by a marine scientist.
Brightwell Aquatics Reef Code Part B - 250 ml
Brightwell Aquatics Reef Code Part B - 250 ml
Our Price: $4.49


  • The carbonate-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing alkalinity (”buffering capacity”)) in the same ratio as that found in natural seawater. 

  • Ionically-balanced with respect to natural seawater concentrations of calcium and carbonates when used in equal amounts with Reef Côde A. 

  • Benefits reef-building organisms such as corals, clams, calcareous algae, etc. 

  • Simplifies calcium and alkalinity maintenance. 

  • Stronger than most competing products. 

  • Contains no phosphate, silicate, or organic material. 

  • Formulated by a marine scientist.
Brightwell Aquatics Ferrion Liquid Iron Supplement - 250 ml
Brightwell Aquatics Ferrion Liquid Iron Supplement - 250 ml
Our Price: $4.88


  • Highly-concentrated and stable iron solution for supplementing aquaria containing hermatypic organisms (i.e. “photosynthetic” or zooxanthellate corals, clams, and their allies), macroalgae, coralline algae, mangroves, marsh grasses, and other desirablemarine algae and plants. 

  • Particularly suited to systems outfitted with a refugium or mud system. 

  • Stronger than most competing products. 

  • Composed of purified water and ultra-high purity materials. 

  • Formulated by a marine scientist.
Brightwell Aquatics Magnesion Liquid Magnesium Supplement - 250 ml
Brightwell Aquatics Magnesion Liquid Magnesium Supplement - 250 ml
Our Price: $4.88


  • Highly-concentrated ionic magnesium solution.

  • Provides magnesium, which helps regulate the balance between calcium and carbonates in aquarium water, and is a component of aragonite, the mineral secreted by reef-building organisms such as corals, clams, and their allies to form skeletal material

  • Stronger than most competing products.

  • Contains no unwanted organic material such as EDTA, gluconate, or polygluconate.

  • Formulated by a marine scientist.
Brightwell Aquatics pH+ Liquid pH Increaser - 250 ml
Brightwell Aquatics pH+ Liquid pH Increaser - 250 ml
Our Price: $4.88


  • Increases pH in marine and reef aquaria.

  • May be used to help increase pH in aquaria that have adequate alkalinity yet have chronically-depressed pH levels; while not intended to act as a permanent solution to such issues, pH+ may be used as neededuntil the cause of depressed pH is discovered and remedied.

  • Stronger than most competing products.

  • Composed of purified water and ultra-high purity materials.

  • Formulated by a marine scientist.
Brightwell Aquatics Alkalin8.3 - 250 ml
Brightwell Aquatics Alkalin8.3 KH Buffer - 250 ml
Our Price: $4.98

  • Highly-effective alkalinity(KH)-increasing (”buffer”) solution. 

  • Helps increase pH stability in an aquarium by raising the alkalinity. 

  • Provides a source of carbonates, which make up the majority by weight of aragonite, the mineral secreted by reef-building organisms as skeletal material. 

  • Continued addition raises pH until 8.3 is reached, at which point the pH remains unchanged and the alkalinity alone increases. 

  • Over 50% stronger than most competing products. 

  • Free of phosphate, silicate, and organic material. 

  • Formulated by a marine scientist.
Brightwell Aquatics Alkalin8.3-P - 250 grams
Brightwell Aquatics Alkalin8.3-P KH Buffer Powder - 250 grams
Our Price: $5.49

  • Highly-effective alkalinity-increasing (”buffer”) powdered blend.

  • Helps increase pH stability in an aquarium by raising the alkalinity; continued addition raises pH until 8.3 is reached, at which point the pH remains unchanged and the alkalinity alone increases.

  • Provides a source of carbonates, which make up the majority by weight of aragonite, the mineral secreted by reef-building organisms as skeletal material.

  • Formulated by a marine scientist.
Brightwell Aquatics Erase-Cl - 250 ml
Brightwell Aquatics Erase-Cl Chloramine, Chlorine and Ammonia Remover - 250 ml
Our Price: $5.49


  • Removes chloramines, chlorine, ammonia, and nitrites present in tap water and/or aquarium water. 

  • May be used to neutralize iodine in the event of an aquarium overdose. 

  • Used as directed, is safe for use directly in all marine aquaria, including reef aquaria. 

  • Free of phosphate and silicate. 

  • Formulated by a marine scientist.
Brightwell Aquatics Iodion Advanced Iodide Supplement - 250 ml
Brightwell Aquatics Iodion Advanced Iodide Supplement - 250 ml
Our Price: $5.98


  • Highly-concentrated, extended activity iodide solution. 

  • Provides iodide, which is important to hermatypic corals and other invertebrates harboring zooxanthellae, macroalgae, and also to the health of fishes. 

  • Stronger than most competing products. 

  • The nature of iodide sources used makes Iodion more effective than standard iodide-solutions. 

  • Suitable for use by aquarium hobbyists of all skill and experience levels. 

  • Composed of purified water and ultra-high purity materials.

  • Formulated by a marine scientist.
Brightwell Aquatics Calcion Concentrated Calcium Supplement - 250 ml
Brightwell Aquatics Calcion Concentrated Calcium Supplement - 250 ml
Our Price: $5.99


  • Highly-concentrated ionic calcium solution. 

  • Increases the concentration of calcium in marine aquarium water to provide corals and other reef-building invertebrates with one of the most important elements required for growth. 

  • Is ionic rather than chelated, and contains no unwanted organic material such as EDTA, gluconate, or polygluconate. 

  • Over 50% stronger than most competing products. 

  • Free of phosphate, silicate, and organic material. 

  • Formulated by a marine scientist.
Brightwell Aquatics Alkalin8.3 - 500 ml
Brightwell Aquatics Alkalin8.3 KH Buffer - 500 ml
Our Price: $6.98

  • Highly-effective alkalinity(KH)-increasing (”buffer”) solution. 

  • Helps increase pH stability in an aquarium by raising the alkalinity. 

  • Provides a source of carbonates, which make up the majority by weight of aragonite, the mineral secreted by reef-building organisms as skeletal material. 

  • Continued addition raises pH until 8.3 is reached, at which point the pH remains unchanged and the alkalinity alone increases. 

  • Over 50% stronger than most competing products. 

  • Free of phosphate, silicate, and organic material. 

  • Formulated by a marine scientist.
Brightwell Aquatics Reef Code Part A - 500 ml
Brightwell Aquatics Reef Code Part A - 500 ml
Our Price: $7.18


  • The calcium-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing alkalinity (”buffering capacity”)) in the same ratio as that found in natural seawater. 

  • Ionically-balanced with respect to natural seawater concentrations of calcium and carbonates when used in equal amounts with Reef Côde B. 

  • Benefits reef-building organisms such as corals, clams, calcareous algae, etc. 

  • Simplifies calcium and alkalinity maintenance. 

  • Stronger than most competing products. 

  • Contains no phosphate, silicate, or organic material. 

  • Formulated by a marine scientist.
Brightwell Aquatics Reef Code Part B - 500 ml
Brightwell Aquatics Reef Code Part B - 500 ml
Our Price: $7.18


  • The carbonate-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing alkalinity (”buffering capacity”)) in the same ratio as that found in natural seawater. 

  • Ionically-balanced with respect to natural seawater concentrations of calcium and carbonates when used in equal amounts with Reef Côde A. 

  • Benefits reef-building organisms such as corals, clams, calcareous algae, etc. 

  • Simplifies calcium and alkalinity maintenance. 

  • Stronger than most competing products. 

  • Contains no phosphate, silicate, or organic material. 

  • Formulated by a marine scientist.
Brightwell Aquatics AminOmega - 60 ml
Brightwell Aquatics AminOmega - 60 ml
Our Price: $7.24


  • Provides marine sources of amino acids and omega-3 and -6 highly unsaturated fatty acids (HUFA). 

  • Increases the nutritional value of foods for marine fishes and invertebrates, particularly for fishes that show signs of head and lateral line erosion. 

  • May be used to fortify prepared and live foods. 

  • Contains no shark-derived ingredients. 

  • Composed of a blend of unique marine fish and crustacean sources of proteins and essential fatty acids, as well as important vitamins.

  • Does not require refrigeration. 

  • Formulated by a marine scientist.
Brightwell Aquatics Restor Liquid Coral Tissue Nutritional Supplement - 250 ml
Brightwell Aquatics Restor Liquid Coral Tissue Nutritional Supplement - 250 ml
Our Price: $7.28


  • Encourages health, growth, reproduction, and vibrant coloration. 

  • Provides important nutrients to corals and their allies during periods of stress induced by changes in lighting and/or prolonged exposure to excessive water temperature (often resulting in “bleaching”). • Aids in tissue repair after corals have undergone fragmenting and captive propagation. 

  • Does not require refrigeration. 

  • Formulated by a marine scientist.
Brightwell Aquatics PhytoChrom Phytoplankton - 250 ml
Brightwell Aquatics PhytoChrom Phytoplankton - 250 ml
Our Price: $7.38


  • Provides 6 types of phytoplankton ranging in size from1 - 30µm.

  • Ideally-sized for many soft corals, clams, sponges,tunicates, tube worms, bryozoans, larval crustaceans,and juvenile fishes.

  • Formulated to provide over 200-million phytoplanktocells per ml.

  • Does not require refrigeration.

  • Supplemented with a proprietary amino acid to aid icoloration of invertebrates.

  • Formulated by a marine scientist.
Brightwell Aquatics PhytoGold-M Phytoplankton - 250 ml
Brightwell Aquatics PhytoGold-M Phytoplankton - 250 ml
Our Price: $7.38


  • Provides phytoplankton ranging in size from 8 - 20µm.

  • Ideally-sized for many soft corals, clams, sponges,tunicates, tube worms, and larval invertebrates.

  • Formulated to provide over 50-million phytoplanktocells per ml.

  • Does not require refrigeration.

  • Supplemented with a proprietary amino acid to aid icoloration of invertebrates.

  • Formulated by a marine scientist.
Brightwell Aquatics PhytoGold-S Phytoplankton - 250 ml
Brightwell Aquatics PhytoGold-S Phytoplankton - 250 ml
Our Price: $7.38


  • Provides phytoplankton ranging in size from 4 - 10µm.

  • Ideally-sized for many soft corals, clams, sponges, tunicates, tube worms, and larval invertebrates.

  • Formulated to provide over 75-million phytoplanktoncells per ml.

  • Does not require refrigeration.

  • Supplemented with a proprietary amino acid to aid in coloration of invertebrates.

  • Formulated by a marine scientist.
Brightwell Aquatics PhytoGreen-M Phytoplankton - 250 ml
Brightwell Aquatics PhytoGreen-M Phytoplankton - 250 ml
Our Price: $7.38


  • Provides phytoplankton ranging in size from 10 - 15µm.

  • Ideally-sized for many soft corals, clams, sponges, tunicates, tube worms, and larval invertebrates.

  • Formulated to provide over 650-million phytoplanktoncells per ml.

  • Does not require refrigeration.

  • Supplemented with a proprietary amino acid to aid incoloration of invertebrates.

  • Formulated by a marine scientist.
Brightwell Aquatics PhytoGreen-S Phytoplankton - 250 ml
Brightwell Aquatics PhytoGreen-S Phytoplankton - 250 ml
Our Price: $7.38


  • Provides phytoplankton ranging in size from 1 - 2µm. 

  • Ideally-sized for many soft corals, clams, sponges, tunicates, tube worms, and larval invertebrates. 

  • Formulated to provide over 1-billion phytoplanktoncells per ml. 

  • Does not require refrigeration. 

  • Supplemented with a proprietary amino acid to aid incoloration of invertebrates. 

  • Formulated by a marine scientist.