ADDITIVES (489)
Best selling Best selling
  • Seachem Cupramine 50 ML
    $6.08
    No reviews

    Cupramine™ effectively eradicates ectoparasite of both freshwater and marine fish. It has all the advantages of copper sulfate and chelated...

  • Brightwell Aquatics Replenish - Liquid Trace & Minor Mineral
    $90.40
    No reviews

    Overview • Unique complex that replaces trace and minorelements used by fishes, corals, and other invertebrates, and which are lost...

  • Brightwell Aquatics Potassion - Concentrated Potassium Solution - 2 Liter
    $52.32
    No reviews

    Overview • Highly-concentrated ionic potassium solution. • Provides potassium, an important component of aragonite (the mineral secreted as skeletal material...

  • Red Sea Reef Foundation C (Mg) - 5 Liter Jug
    $119.99
    No reviews

    MAGNESIUM FOUNDATION C Magnesium supplement for balanced formation of coral skeleton Mg Calcium, magnesium, strontium and carbonate are the basic...

  • ME Coral Kalk Powder ( 1/2 GAL container)
    $15.99
    No reviews

    Kalkwasser (Kalk) is also known as Lime or Calcium Hydroxide. It is the only chemical that delivers both Calcium and...

  • Two Little Fishes Magnesium Concentrate 500 mL (16.8 fl oz)
    $10.09
    No reviews

    Two Little Fishies Magnesium Concentrate is a solution that contains the element magnesium, an essential pH-stabilizing component of the seawater...

  • Two Little Fishies Kalkwasser 1 LB
    $17.47
    No reviews

    Calcium Supplement Mix. Our pure source of Calcium Hydroxide makes the ideal solution for replenishing calcium and maintaining alkalinity, for...

  • Seachem Reef Advantage Calcium 1 Kg.
    $27.26
    No reviews

    Reef Advantage™is equivalent to dry Reef Complete™.It is a buffered (pH 8.3–8.6) optimized blend of ionic calcium, magnesium, strontium, sodium,...

  • Seachem Reef Adv. Calcium 250 g / 8.8 oz
    $9.17
    No reviews

    Reef Advantage Calcium" is a non-caustic (pH 8.3—8.6) optimized blend of ionic calcium designed to restore and maintain calcium to...

  • Brightwell Aquatics Calcion-P - Dry Calcium Supplement for R
    $32.40
    No reviews

    Overview High-purity powdered calcium. Increases the concentration of calcium in marine aquarium water to provide corals and other reef-building invertebrates...

  • Brightwell Aquatics Calcion - Liquid Calcium Supplement for
    $10.76
    No reviews

    Overview: Highly-concentrated ionic calcium solution. Increases the concentration of calcium in marine aquarium water to provide corals and other reef-building...

  • Boyd ChemiClean Liquid 2oz bottle - Treats up to 720 Gallons
    $28.88
    No reviews

    THE BENEFITS OF USING CHEMICLEAN: Cleans many types of stains from cyanobacteria Works in fresh and salt water Completely safe...

  • Brightwell ChaetoGro - 2 L / 67.6 fl. oz.
    $54.30
    No reviews

    ChaetoGro Complete phosphate and nitrate free multi-nutrient with iron, cobalt and molybdenum for chaetomorpha growth and vigor in all marine...

  • DrTim's Reef Eco-Balance (480ml - 480 gal)
    $25.69
    No reviews

    Probiotics for Core System Health Use DrTim’s Eco-Balance Probiotic Bacteria to Promote Optimal Water Quality Eco-Balance Multi-Strained Probiotic Bacteria helps...

  • DrTim's Marine Waste-Away Gel LG - Single
    $24.29
    No reviews

    DrTim’s Aquatics Waste-Away Time Release Gels The gels are full of our Waste-Away Bacteria that are automatically and continuously released...

  • DrTim's Reef Clear-Up (960ml - Treats 1920 gal)
    $55.19
    No reviews

    Treat Cloudy Aquarium Water Use DrTim’s Clear-UP Natural Water Clarifier to Clear Up Your Tank Clear-UP Natural Water Clarifier helps:...

  • DrTim's Reef One & Only (480ml - Treats 240 gal)
    $122.59
    No reviews

    Treat Aquarium Nitrite & Ammonia Levels Use DrTim’s One & Only Live Nitrifying Bacteria to Eliminate New Tank Syndrome One...

  • DrTim's Saltwater First Defense (480ml Treats 960gal)
    $30.29
    No reviews

    Stress Relief & Immune Support Use DrTim’s First Defense to Promote Healing and Repair Wounds in Your Tank First Defense...

  • DrTim's Saltwater One & Only (480ml - Treats 240 gal)
    $122.59
    No reviews

    Treat Aquarium Nitrite & Ammonia Levels Use DrTim’s One & Only Live Nitrifying Bacteria to Eliminate New Tank Syndrome One...

  • ASF Reef Shots Coraline Booster - 24 shots
    $14.50
    No reviews

    Reef Shot Coralline Booster :   Coralline Booster Reef Shot is a solution of substances intended to promote the synthesis...

  • ATI ICP Element Boron - 2700 mL
    $26.95
    No reviews

    ATI ICP Element Boron - 2700 mL ATI ICP Element Barium is a high-purity solution developed to replenish barium in...

  • ATI Essentials Mixed Reef #1 - 2.7 Liter
    $34.95
    No reviews

    ATI Essentials Mixed Reef #1 - 2.7 Liter Part One (Alkalinity Complex) only of the ATI Essentials Mixed Reef two-part...

  • Fauna Marin Dino M - 250ml
    $34.64
    No reviews

    Fauna Marin Dino M, 250ml Fauna Marin Dino M Dinoflagellate treatment for reef aquariums offers a safe way to combat...

  • Fauna Marin Coral Wow - 1000ml
    $51.96

    OUT OF STOCK

    No reviews

    Fauna Marin Coral Wow, 1000ml Fauna Marin Coral Wow reveals vibrant colors in SPS corals, naturally manages nutrients, and boosts...

  • Fauna Marin Coral Wow - 500ml
    $26.55

    OUT OF STOCK

    No reviews

    Fauna Marin Coral Wow, 500ml Fauna Marin Coral Wow reveals vibrant colors in SPS corals, naturally manages nutrients, and boosts...

  • Brightwell Aquatics Liquid Reef - 500ml
    $26.28
    No reviews

    Concentrated Reef Builder for Coralline Algae, Corals, Clams & other Marine Invertebrates Overview Complete source of the elements and molecules...

  • Brightwell Aquatics Liquid Reef - 250ml
    $16.43
    No reviews

    Concentrated Reef Builder for Coralline Algae, Corals, Clams & other Marine Invertebrates Overview Complete source of the elements and molecules...

  • Fauna Marin Color Elements Red/Purple Complex 250ml
    $23.09

    OUT OF STOCK

    No reviews

    Color Elements Red/Purple Complex - Enhanced Coral Growth and Coloration Introducing a novel blend of trace elements that enhance growth...

  • Seachem Vitality 4L
    $104.32
    No reviews

    Vitality is a comprehensive vitamin, amino acid, and trace element supplement developed to address nutritional requirements commonly associated with long...

  • Fauna Marin Amin 500 ml
    $69.29
    No reviews

    Accelerate Coral Growth and Improve Color Pigmentation  Fauna Marin Amin is an amino acid product that accelerates coral growth and...

  • Fauna Marin Amin 250 ml
    $46.19
    No reviews

    Accelerate Coral Growth and Improve Color Pigmentation  Fauna Marin Amin is an amino acid product that accelerates coral growth and...

  • PolypLab Colors Amino acids Formula color enhancer 200%
    $54.99
    No reviews

    Polyplab Colors is ulta pure Amino Acids engineered for the most demanding growers. It is designed for: - Ultra Low...

  • PolypLab Acids 50ml
    $18.00 $29.00
    No reviews

    III. RF-Acids Concentrated fusion of select amino acids The role of amino acids becomes critical in a low nutrient environment....

  • Triton Sulphate Dry 1000G
    $42.00
    No reviews

    Sulphate macro element seawater supplement. Sulphate is an important element that naturally occurs in seawater. Beneficial for SPS/LPS coral colour...

  • Triton Boron 1000ml
    $16.00 $32.00
    No reviews

    Boron macro element seawater supplement. Boron is an important element that naturally occurs in seawater. Stabilizes pH, beneficial for SPS/LPS...

  • Triton Bromide 1000ml
    $22.50 $45.00
    No reviews

    Bromine macro element seawater supplement. Bromine is an important element that naturally occurs in seawater. Beneficial for SPS/LPS coral colour...

  • ME Coral Phosphate PO4 2 oz
    $19.99
    No reviews

    ME Coral concentrated Phosphate is a high purity and highly concentrated additive for the advanced reefer looking to increase Phosphates. ...

  • ME Coral Strontium 2 oz
    $19.99
    No reviews

    ME Strontium concentrate is a pharma grade highly concentrated easy to add additive.  Strontium has been shown to be instrumental...

  • ME Coral Potassium 32 oz
    $19.99
    No reviews

    ME Coral Potassium (K) is a Pharmaceutical grade liquid Potassium for supplementing Aquarium Seawater.  Potassium depletion can affect coral coloration...

  • ATI Elements - Chromium 100ml
    $13.27 $18.95
    No reviews

    ATI Elements ATI Elements give you complete control to fine tune the amounts of trace minerals your aquarium needs. With...

  • Seachem Replenish - 250 mL / 8.5 fl. oz.
    $3.17
    No reviews

    Replenish Product Description Replenish is a proprietary blend of salts designed to replenish physiologically relevant minerals that are removed by...

  • Triton Core7 Reef Supplements 3.8L (1 Gallon) Complete Set
    $159.00
    No reviews

    Included: 4 x 1 gal jugs.  Part 1, Part 2, Part 3a and Part 3B.   For other Reef Methods. ...

  • Fauna Marin Balling Salts Kh 1 kg
    $19.62
    No reviews

    Salt Carbonate Mix for Balling Light Systems in Reef Tanks With Fauna Marin Balling-Light salts, you get the purest specialty...

  • Fauna Marin Balling Salts Ca 1 kg
    $19.62
    No reviews

    Salt Calcium Mix for Balling Light Systems in Reef Tanks With Fauna Marin Balling-Light salts, you get the purest specialty...

  • Blue Life USA Reef Rx (Coral Rx)
    $8.99 $23.85
    No reviews

    Anti-Bacterial Treatment for Corals Ideal for Freshly Cut Coral Frags Safe for All Coral Types Reef Safe Will Not Harm...

  • Mini Majano Wand Aiptasia & Majano Eliminator
    $167.99

    OUT OF STOCK

    No reviews

    So Easy, It's Like Magic. The Majano Wand is an easy and effective tool for ridding your tank of pesky...

  • Brightwell Aquatics KoralColor - Encourages Increased Colora
    $32.79
    No reviews

    Overview • Provides numerous elements important to the formation of various biochromes (biological pigments), complex molecules that give coloration to...

  • Fauna Marin ELEMENTALS Mg - Magnesium 1000 ml
    $28.86
    No reviews

    Highly Concentrated Magnesium Fauna Marin Elementals Mg is a highly concentrated magnesium solution for compensating magnesium deficiencies in reef aquariums....

  • Triton Magnesium 5000ml
    $82.50 $165.00
    No reviews

    Magnesium macro element seawater supplement. Magnesium is an important element that naturally occurs in seawater. Essential for calcification of SPS/LPS...

  • Red Sea Skeletal Elements (Reef Foundation ABC+) - 5kg *BUCKET*
    $84.99

    OUT OF STOCK

    No reviews

    FOUNDATION ABC+ "Foundation and trace element supplement for balanced formation of coral skeleton Ca | Mg | KH | Sr|...

  • Brightwell Aquatics Boost pH+ - 1L
    $26.91
    No reviews

    Boost pH+ High Range pH Increaser deals with excess CO2, raises pH only without increasing alkalinity or calcium (in tanks...