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Aquarium Additives

120 of 644 Items
  • Brightwell Aquatics Clarifi-SW, 20 Liters / 5.3 gal.

    Brightwell Aquatics

    Brightwell Aquatics Clarifi-SW, 20 Liters / 5.3 gal.

    Brightwell Aquatics Clarifi-SW, Advanced Clarifier for All Marine Fish and Reef AquariaPoor water clarity can be caused by a number of types of suspended particulate material, which may themselves be caused by excessive nutrient concentrations,...

    $199.95
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  • DrTim's Aquatics NP-Active Pearls 3785ml DrTim's Aquatics NP-Active Pearls 3785ml

    Dr. Tim's Aquatics

    DrTim's Aquatics NP-Active Pearls 3785ml

    DrTim's Aquatics NP-Active Pearls 3785ml A novel, innovative way, using PURE biodegradable bio-polymers, to control nitrate and phosphate in your aquarium. Specially developed for aquariums Works in ALL aquariums Safe for ALL fish and corals PURE...

    $199.95
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  • Brightwell Aquatics BoroChrom, 20 Liters / 5.3 gal.

    Brightwell Aquatics

    Brightwell Aquatics BoroChrom, 20 Liters / 5.3 gal.

    Brightwell Aquatics BoroChrom, Concentrated Boron Solution for Improved Coralline Growth & Red Coloration in ZooxanthellateIn natural seawater, boron is a non-conservative major element with a concentration of ~4.54 ppm. Boron plays an active role in...

    $189.95
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  • Fritz Mardel Maracyn - 400g Bulk Jar Fritz Mardel Maracyn - 400g Bulk Jar

    Fritz

    Fritz Mardel Maracyn - 400g Bulk Jar

    Fritz Mardel Maracyn - 400g Bulk Jar Maracyn is a specially compounded broad-spectrum antibiotic which has been shown to be effective against a number of pathogenic bacteria associated with ornamental fish disease. It was developed for complete but...

    $179.99
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  • Red Sea 4 Part RCP - Lrg 160 gal. Red Sea 4 Part RCP - Lrg 160 gal.

    Red Sea

    Red Sea 4 Part RCP Reef Care Program - Lrg 160 gal.

    Red Sea 4 Part RCP - Lrg 160 gal. Red Sea's long-term research has revealed that in most reef systems without a refugium, the Major, Minor, and Trace elements and even the Alkalinity components are used up in a relatively fixed ratio.Since Calcium...

    $179.95
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  • Brightwell Aquatics CoralAmino, 2 Liters

    Brightwell Aquatics

    Brightwell Aquatics CoralAmino, 2 Liters

    Complex of free-form amino acids in the same ratios found within tissues of stony corals.* Complex of free-form amino acids in the same ratios found within tissues of stony corals. * Beneficial to all corals (stony and soft), as well as solitary and...

    $139.96
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  • DrTim's Aquatics MARINE Re-Fresh 64oz. DrTim's Aquatics MARINE Re-Fresh 64oz.

    Dr. Tim's Aquatics

    DrTim's Aquatics MARINE Re-Fresh 64oz.

    DrTim's Aquatics MARINE Re-Fresh 64oz Control Green or Brown Water in your Reef, Nano, or Seahorse Aquarium Use Dr.Tim's Re-Fresh in your reef, nano, or seahorse aquarium to control brown or green water issues. Re-Fresh is a potent combination of...

    $171.39
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  • API General Cure Bulk Powder 850 gr. API General Cure Bulk Powder 850 gr.

    API

    API General Cure Bulk Powder 850 gr.

    API General Cure Bulk Powder 850 gr. API® General Cure powder treats a wide variety of parasitic diseases including velvet, fish lice, hole-in-the-head disease (Hexamita spp. & Spironucleus), gill & skin flukes (Dactylogyrus & Gyrodactylus )...

    $169.99
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  • Fritz Mardel Maracyn 2 - 400 gr. Bulk Jar

    Fritz

    Fritz Mardel Maracyn 2 - 400 gr. Bulk Jar

    Fritz Mardel Maracyn 2 - 400 gr. Bulk Jar Provides Relief from Bacterial Infections in Fresh and Salt Water Aquariums Fin & Tail Rot Popeye Dropsy For infections of Fin and Tail Rot, Popeye, Gill Disease, Dropsy (swollen body, protruding...

    $167.99
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  • Red Sea DipX Coral Dip, 5 Liters. Red Sea DipX Coral Dip, 5 Liters. Red Sea DipX Coral Dip, 5 Liters.

    Red Sea

    Red Sea DipX Coral Dip, 5 Liters.

    Red Sea DipX Coral Dip, 5 Liters. DipX is a highly effective dip for safely introducing new corals and live rocks to your aquarium. Features- Safe for all kinds of corals: SPS, LPS and Soft corals, Zoanthids, mushroom anemones (Discosoma and Ricordea)...

    $159.00
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  • Red Sea Reef Energy AB+ Plus Coral Nutrition, 5 Liter Red Sea Reef Energy AB+ Plus Coral Nutrition, 5 Liter

    Red Sea

    Red Sea Reef Energy AB+ Plus Coral Nutrition, 5 Liter

    Red Sea Reef Energy AB+ Plus Coral Nutrition, 5 Liter An all-in-one superfood that will have your corals thanking you, delivering better growth, higher resilience, brighter colors, greater ease of use with automatic dosers, and minimal over skimming...

    $155.00
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  • ESV Calcium Chloride, 35 lbs. Gallon pail. ESV Calcium Chloride, 35 lbs. Gallon pail.

    E.S.V.

    ESV Calcium Chloride, 35 lbs. Gallon pail.

    ESV Calcium Chloride, 35 lbs. Gallon pail. Maintaining proper calcium levels is essential to maintaining a healthy tank and promoting fast coral growth. ESV Calcium Chloride is a pure inorganic compound used to raise dissolved calcium levels in your...

    $149.95
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  • ESV Calcium Hydroxide, Kalkwasser Powder, 22 lb. ESV Calcium Hydroxide, Kalkwasser Powder, 22 lb.

    E.S.V.

    ESV Calcium Hydroxide, Kalkwasser Powder, 22 lb.

    ESV Calcium Hydroxide, Kalkwasser Powder, 22 lb. Dosing with Kalkwasser is one of the very few proven, effective methods to add calcium and alkalinity with a single product while maintaining pH. Commonly used in conjunction with auto top off systems...

    $149.95
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  • Kalkwasser by Two Little Fishes, 25 lb.

    Two Little Fishes

    Kalkwasser by Two Little Fishes, 25 lb.

    Kalkwasser by Two Little Fishes, 25 lb.Calcium Supplement Mix. Our pure source of Calcium Hydroxide makes the ideal solution for replenishing calcium and maintaining alkalinity, for corals, clams, and calcareous algae that build skeletons of calcium...

    $149.95
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  • Ruby Reef Rally Pro 2.5 gal. Ruby Reef Rally Pro 2.5 gal.

    Ruby Reef

    Ruby Reef Rally Pro 2.5 gal.

    Ruby Reef Rally Pro 2.5 gal. RALLY is a very effective broad spectrum treatment designed to be used directly in the display tank to eliminate external parasites, dinoflagellates, marine velvet, clownfish disease, gill flukes, etc. on fish. RALLY also...

    $144.99
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  • Ecosystem Reef Solution 1 Gallon Ecosystem Reef Solution 1 Gallon

    EcoSystem Aquarium

    Ecosystem Reef Solution 1 Gallon

    Ecosystem Reef Solution 1 Gallon • Increased polyp extension in corals • Increases coloration in both fish and corals • Increases appetite in fish Description: Reef Solution is an all-natural product. The multiple minerals and multi-vitamins...

    $140.99
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  • DrTim's Aquatics FRESHWATER One & Only 32oz DrTim's Aquatics FRESHWATER One & Only 32oz

    Dr. Tim's Aquatics

    DrTim's Aquatics FRESHWATER One & Only 32oz

    DrTim's Aquatics FRESHWATER One & Only 32oz Eliminates new tank syndrome Instantly creates a biofilter Removes toxic ammonia and nitrite, naturally No sulfur or other offensive odors No wait needed 100% natural Good for 6 months at room...

    $139.99
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  • Brightwell Aquatics Michrobacter START XLM 2 Liter Brightwell Aquatics Michrobacter START XLM 2 Liter

    Brightwell Aquatics

    Brightwell Aquatics Michrobacter START XLM 2 Liter

    Brightwell Aquatics Michrobacter START XLM 2 Liter Professional 15x strength live tank starter nitrifying bioculture for rapidly cycling new marine fish and reef aquaria and brackish aquariums, and for recovering from overcrowding or disasters where the...

    $111.96
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  • ESV Bionic Magnesium, 5 gal. ESV Bionic Magnesium, 5 gal.

    E.S.V.

    ESV Bionic Magnesium, 5 gal.

    ESV Bionic Magnesium, 5 gal. When used with calcium and alkalinity supplements, magnesium plays an important role in stablilizing pH in your reef tank. B-Ionic Magnesium is an easy to use liquid magnesium supplement which  will not disrupt the...

    $139.95
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  • Fritz PRO Bulk Magnesium Sulfate, 5 gal.

    Fritz

    Fritz PRO Bulk Magnesium Sulfate, 5 gal.

    Fritz PRO Bulk Magnesium Sulfate Professional Aquarium SupplementFritz ProAquatics Mag Sulfate is a high quality concentrated magnesium salt that is designed to replenish magnesium in captive reef systems. Monitoring and maintaining proper magnesium...

    $129.95
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  • Fritz PRO Bulk Sodium Bicarbonate, 5 gal.

    Fritz

    Fritz PRO Bulk Sodium Bicarbonate, 5 gal.

    Fritz PRO Bulk Sodium Bicarbonate Professional Aquarium SupplementFritz ProAquatics Sodium Bicarbonate can be used alone or as part of a two part calcium & alkalinity supplement system to raise alkalinity in enclosed reef systems. Monitoring and...

    $129.95
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  • Red Sea NO3:PO4-X Nitrate & Phosphate reducer, 5 Liter

    Red Sea

    Red Sea NO3:PO4-X Nitrate & Phosphate reducer, 5 Liter

    Red Sea NO3:PO4-X Nitrate & Phosphate reducer, 5 LITER NO3:PO4-X Contains a unique complex of carbons that are used by nutrient-reducing bacteria. Each carbon is utilized by different strains of microorganisms while maintaining the specific Carbon:...

    $129.00
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  • Ruby Reef HydroPlex 2.5 gal. Ruby Reef HydroPlex 2.5 gal.

    Ruby Reef

    Ruby Reef HydroPlex 2.5 gal.

    Ruby Reef HydroPlex 2.5 gal. HYDROPLEX is an extremely broad spectrum dip for new arrivals. A simple 10 minute dip is all it takes toeliminate problems which can be brought on by fish being introduced into the display tank.Due to its excellent...

    $127.99
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  • Fritz Mardel Coppersafe, 1 Gallon Fritz Mardel Coppersafe, 1 Gallon

    Fritz

    Fritz Mardel Coppersafe, 1 Gallon

    Fritz Mardel Coppersafe 1 Gallon Chelated Copper Treatment for the Infections of: ICH Flukes (Gyrodactylus) Anchor worms Velvet/Protozoan diseases other external parasites. Coppersafe® solution remains active for over one month in...

    $119.99
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  • Brightwell Aquatics Vitamarin-M, 2 Liters / 67.6 fl. oz.

    Brightwell Aquatics

    Brightwell Aquatics Vitamarin-M, 2 Liters / 67.6 fl. oz.

    Vitamins are compounds required in minute concentrations for vital metabolic reactions; the amounts of vitamins required for a given species varies. Short-term vitamin deficiencies can typically be tolerated by most organisms, however long-term...

    $95.96
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  • ESV Bionic Calcium Buffer System, 2 x 4 gal. ESV Bionic Calcium Buffer System, 2 x 4 gal.

    E.S.V.

    ESV Bionic Calcium Buffer System, 2 x 4 gal.

    ESV Bionic Calcium Buffer System, 2 x 4 gal. B-Ionic Calcium Buffer is the original, unique, easy to use, two-component liquid supplement system. When using equal volumes of each component, the aquarist can easily maintain calcium and alkalinity levels...

    $119.95
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  • Seachem Cupramine Cooper Treatment 2 Liter. Seachem Cupramine Cooper Treatment 2 Liter.

    Seachem

    Seachem Cupramine Cooper Treatment 2 Liter.

    Seachem Cupramine Cooper Treatment 2 Liter. Effectively eradicates Oodinium, Cryptocaryon, Amyloodinium, Ichthyophthirius, and other ectoparasites of both freshwater and marine fish. It is non-acidic, less toxic to fish, remains in solution, and does...

    $119.95
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  • Red Sea 4 Part RCP - Med 80 gal. Red Sea 4 Part RCP - Med 80 gal.

    Red Sea

    Red Sea 4 Part RCP Reef Care Program - Med 80 gal.

    Red Sea 4 Part RCP - Med 80 gal. Red Sea's long-term research has revealed that in most reef systems without a refugium, the Major, Minor, and Trace elements and even the Alkalinity components are used up in a relatively fixed ratio.Since Calcium is...

    $109.95
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  • Seachem Pristine 4 Liters Seachem Pristine 4 Liters

    Seachem

    Seachem Pristine 4 Liters

    Seachem Pristine 4 Liters. Description Pristine� uses bio-augmentation, a non-chemical and natural method, to improve water quality. It provides bacteria that break down excess food, waste and detritus in freshwater and marine systems. It will also...

    $109.95
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  • Red Sea Reef Foundations A (Ca/SR) 5 LITERS Red Sea Reef Foundations A (Ca/SR) 5 LITERS

    Red Sea

    Red Sea Reef Foundations A (Ca/SR) 5 LITERS

    Red Sea Reef Foundations A (Ca/SR) 5 LITERS Calcium and strontium complex for balanced formation of the coral skeletonCa | Sr Calcium, magnesium, strontium and carbonate are the basic foundation elements of coral skeletons.All of these elements need to...

    $109.00
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  • Red Sea Reef Foundations B (Alk) 5 liter Red Sea Reef Foundations B (Alk) 5 liter

    Red Sea

    Red Sea Reef Foundations B (Alk) 5 liter

    Red Sea Reef Foundations B (Alk) 5 liter  Carbonate & buffer complex for balanced formation of Coral SkeletonAlk Calcium, magnesium, strontium and carbonate are the basic foundation elements of coral skeletons.All of these elements need to be...

    $109.00
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  • Red Sea Reef Foundations C (MG) 5 LITERS Red Sea Reef Foundations C (MG) 5 LITERS

    Red Sea

    Red Sea Reef Foundations C (MG) 5 LITERS

    Red Sea Reef Foundations C (MG) 5 LITERS A successful coral reef aquarium depends on how well you maintain the water parameters which are the key to a stable coral environment. All of the elements found in natural seawater play a role in providing...

    $109.00
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  • Seachem Pond Prime 4L

    Seachem

    Seachem Pond Prime 4L

    Seachem Pond Prime 4L Pond Prime® is a complete conditioner that removes chlorine, chloramine, and detoxifies ammonia and nitrite. It also provides essential ions and stimulates natural slime coat. Pond Prime® also enhances nitrate removal. It...

    $99.99
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  • Caribsea Purple Up 1 Gal. Caribsea Purple Up 1 Gal.

    CaribSea

    Caribsea Purple Up 1 Gal.

    Caribsea Purple Up 1 Gal. Purple-Up™ is a new pink and purple coralline algae accelerator. Since Purple-Up™ is not a fertilizer, it does not promote the growth of nuisance algae. How does it work? Purple-Up™ uses a unique dual method...

    $99.95
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  • Copper Power, Freshwater 1 Gallon Copper Power, Freshwater 1 Gallon

    Copper Power

    Copper Power, Freshwater 1 Gallon

    Copper Power, Freshwater 1 Gallon Copper Power Freshwater is one of the safest and most effective copper medications available for the elimination of external parasites.  Copper Power, Freshwater 1 Gallon Product code: 8455Item No. MD-COPF-1G

    $99.95
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  • Copper Power, Marine 1 Gal. Copper Power, Marine 1 Gal.

    Copper Power

    Copper Power, Marine 1 Gal.

    Copper Power, Marine 1 Gal. Copper Power Marine is one of the safest and most effective copper medications available for the elimination of external parasites. Used at 2.5 PPM Copper - nearly 5-Times the normal toxic level of copper in salt water.Copper...

    $99.95
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  • Seachem Reef Advantage Calcium 4 kg. Seachem Reef Advantage Calcium 4 kg.

    Seachem

    Seachem Reef Advantage Calcium 4 kg.

    Seachem Reef Advantage Calcium 4 kg. Reef Advantage Calcium™ is a non-caustic (pH 8.3–8.6) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater. Calcium and carbonates are essential to all coral...

    $96.95
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  • Fritz Mardel Maracyn - 100g Bulk Jar

    Fritz

    Fritz Mardel Maracyn - 100g Bulk Jar

    Fritz Mardel Maracyn - 100g Bulk Jar Maracyn is a specially compounded broad-spectrum antibiotic which has been shown to be effective against a number of pathogenic bacteria associated with ornamental fish disease. It was developed for complete but...

    $89.99
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  • Seachem Stability 4 Liters Seachem Stability 4 Liters

    Seachem

    Seachem Stability 4 Liters

    Seachem Stability 4 Liters New tank stabilization system for marine and freshwater Rapidly and safely establishes bio-filter Prevents "New Tank Syndrome" Stability® will rapidly and safely establish the aquarium biofilter in freshwater and marine...

    $89.99
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  • Seachem Metroplex 100 gr. Seachem Metroplex 100 gr.

    Seachem

    Seachem Metroplex 100 gr.

    Seachem Metroplex 100 gr. Metronidazole is an effective and safe treatment for several protozoan and anaerobic bacterial diseases of fish (Cryptocaryon, Hexamita, Ichthyophthirius). It does not adversely affect the filter bed and is easily removed with...

    $89.95
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120 of 644 Items

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