ADDITIVES (489)
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  • Red Sea Reef Foundation A (Ca/Sr) - 5 Liter Jug
    $119.99
    No reviews

    CALCIUM+ SUPPLEMENT FOUNDATION A Calcium and strontium complex for balanced formation of the coral skeleton Ca | Sr | Ba...

  • ME Coral Magnesium Powder (makes 1/2 gal)
    $15.99

    OUT OF STOCK

    No reviews

    MECoral Magnesium (Mg)  powder is pre-measured to make a half gallon liquid solution when mixed with RODI water.  MECoral uses...

  • ME Coral Alkalinity Powder (makes 4 gal)
    $33.99
    No reviews

    MECoral Kh powder is pre-measured to make a 4 gallon liquid solution when mixed with your RODI water.   MECoral uses...

  • ME Coral Calcium Powder (makes 4 gal)
    $33.99

    OUT OF STOCK

    No reviews

    MECoral Calcium (Ca) powder is premeasured  to make a 4 gallon liquid solution when mixed with your RODI water.   MECoral...

  • ME Coral 32 OZ Alkalinity Liquid
    $9.99 $14.99
    No reviews

    MECoral 32 oz Kh liquid solution is ready to use.  MECoral uses only Pharmaceutical Grade raw material to achieve the...

  • ATI Elements - Magnesium 1000ml
    $13.97 $19.95
    No reviews

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

  • 1317, Reef Buffer 1KG
    $23.62
    No reviews

    Reef Buffer is intended primarily for use in a reef system where the maintenance of a pH of 8.3 is...

  • Seachem Marine Buffer 1KG
    $23.62
    No reviews

    Marine Buffer™is the original and still unique buffer with a pK of 8.3, designed to adjust pH to 8.3 and...

  • Seachem Reef Fusion 2 - 2 Part Alkalinity - 500 mL
    $9.10
    No reviews

    Reef Fusion two part system   Reef Fusion 1™ and Reef Fusion 2™ are the foundation of a system formulated...

  • Fauna Marin VIB X Marine 140g
    $28.86
    No reviews

    Stabilize the Microbiome with Fauna Marin VIB X Marine Using Fauna Marin VIB X, you can restore the natural balance...

  • Fauna Marin ReBiotic 100% Natural 125 g
    $83.15
    No reviews

    Restore Bacterial Stability in Saltwater Aquariums Fauna Marin Rebiotic 100% Natural is a unique freeze-fried bacteria mix used for restoring...

  • Triton RTN-X
    $32.00
    No reviews

    RTN-X is a rapid tissue necrosis inhibitor. Derived through TRITON’s unique scientific work in N-DOC lab testing and establishing the...

  • Brightwell Aquatics Razor Marine, Systemic Cleaner, coral safe 250ml
    $13.05
    No reviews

    Razor Marine Unique Marine Systemic System Cleaner designed to target and clean surfaces of live rock, coral decorations and tank...

  • Prodibio BioClean SW 6/vials
    $22.10

    OUT OF STOCK

    No reviews

    Take Care of Your Aquarium's Bacteria   Combines Prodibio BioDigest and Bioptim Naturally Reduces Nitrates and Phosphates Suitable for Freshwater...

  • Brightwell Aquatics Reef BioFuel - Enhances Nutrient Uptake
    $65.52
    No reviews

    Overview • Helps maintain a balanced nutrient-limited marine aquarium by enabling the hobbyist to enhance the rate of microbial growth...

  • Tropic Marin BIO-CALCIUM ORIGINAL BALLING Part A 1 kg
    $16.99
    No reviews

    Salt for supply of calcium using the Balling method   Tropic Marin® BIO-CALCIUM ORIGINAL BALLING salts are the 3 components...

  • DrTim's Reef Waste-Away (240ml - Treats 240 gal)
    $21.59
    No reviews

    Natural Aquarium Cleaner Use DrTim’s Waste-Away Sludge Busting Bacteria to Remove Hidden Wastes Waste-Away is sludge busting bacteria!   Dissolves...

  • DrTim's Reef Clear-Up (480ml - Treats 960 gal)
    $39.49
    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 Clear-Up (120ml - Treats 240 gal)
    $14.69
    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 First Defense (240ml - Treats 480 gal)
    $21.29
    No reviews

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

  • DrTim's Reef One & Only (240ml - Treats 120 gal)
    $66.29
    No reviews

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

  • DrTim's Saltwater Re-Fresh (120ml - Treats 240gal)
    $20.89
    No reviews

    Treat Brown/Green Aquarium Water Use DrTim’s Re-Fresh to Preserve Clean Water in Your Tank Re-Fresh for Brown/Green Water helps:  ...

  • DrTim's Saltwater One & Only (120ml - Treats 60gal)
    $40.59
    No reviews

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

  • ASF Reef Shots Probiotics - 24 shots
    $19.99
    No reviews

    Reef Shot Probiotics :   The normal processes in an aquarium cause the system to become unbalanced, allowing unfriendly bacteria...

  • ASF Reef Shots Vitamins - 24 shots
    $18.50
    No reviews

    Reef Shot Vitamins :   Vitamins Reef Shot contains a mixture of vitamins and immunostimulants that work together to help...

  • ASF Reef Shots Reef Elements - 24 shots
    $19.99
    No reviews

    Reef Shot Reef Elements :   Reef Elements Reef Shot is a biological stimulant designed to promote growth and health...

  • ASF Reef Shots Magnesium - 24 shots
    $19.99
    No reviews

    Reef Shot Magnesium :   Magnesium is the third most important element in the composition of seawater. It is essential...

  • ASF Reef Shots Strontium - 24 shots
    $19.99
    No reviews

    Reef Shot Strontium :   Many reef organisms synthesise calcium and strontium to form shells or skeleton from the seawater....

  • ATI ICP Element Chromium - 150 mL
    $16.95
    No reviews

    ATI ICP Element Chromium - 150 mL TI ICP Element Chromium is a high-purity trace element solution used to restore...

  • ATI ICP Element Bromine - 1000 mL
    $26.95
    No reviews

    ATI ICP Element Bromine - 1000 mL ATI ICP Element Bromine is a high-purity solution used to replenish bromine levels...

  • ATI Essentials SPS Reef #2 - 2.7 Liter
    $26.95
    No reviews

    ATI Essentials SPS Reef #2 - 2.7 Liter Part Two (Calcium Complex) only of the ATI Essentials SPS two-part dosing...

  • Brightwell Aquatics Hydrat-Mg - 500ml
    $11.83
    No reviews

    Solution of Hydrated Magnesium Salts for Use in Reef and Marine Aquaria Overview Safely increases magnesium concentration in all marine...

  • Brightwell Aquatics Hydrat-Mg - 250ml
    $7.71
    No reviews

    Solution of Hydrated Magnesium Salts for Use in Reef and Marine Aquaria Overview Safely increases magnesium concentration in all marine...

  • Brightwell Aquatics Fish Recover M - 1L
    $34.44
    No reviews

    All-natural anti-bacterial fish remedy for the treatment of sick fish Overview All-Natural, botanical extract remedy for the treatment of a...

  • Brightwell Aquatics Fish Recover M - 250ml
    $9.89
    No reviews

    All-natural anti-bacterial fish remedy for the treatment of sick fish Overview All-Natural, botanical extract remedy for the treatment of a...

  • Ultralife Liquid Phosphate Remover Treats 1850 gallons
    $18.95
    No reviews

    Liquid Phosphate Remover & Control Ultralife Liquid Phosphate Remover & Control safely and effectively removes phosphate (P04) from your aquarium....

  • ME Coral Polyp Extender Amino 16 oz
    $23.99
    No reviews

    ME Amino is made primarily of a strong dose of Aspartic acid and Glutumic acid.   These are the main aminos...

  • Prodibio Coral Vits 30/vials
    $39.99

    OUT OF STOCK

    No reviews

    A Total Multivitamin for Corals   Hyper-Concentrated Solution of Vitamins for Coral Heath Helps Corals Recover After Fragging 1 Box...

  • Fauna Marin Balling Trace 2 Metabolic 250 ml
    $18.47
    No reviews

    Achieve a Metallic Metabolic Color Effect with Trace 2 Balling Light Solution Adding Trace 2 - Metallic Metabolic Color Effect...

  • Fauna Marin Balling Trace 1 Color & Grow 250 ml
    $18.47
    No reviews

    Achieve Amazing Color and Growth with Trace 1 Balling Light Solution Adding Trace 1 - Color and Growth solution to...

  • Fauna Marin ELEMENTALS B - Boron 1000 ml
    $28.86
    No reviews

    Highly Concentrated Boron Fauna Marin Elementals B is a highly concentrated Boron solution for compensating Boron deficiencies in reef aquariums. ...

  • PaxBellum Nitrate & Molybdenum Supplements 250ml 5% Solution
    $6.99 $18.00
    No reviews

    Nitrogen + Molybdenum solution to maintain optimal N:P ratio in your aquarium. Dose as needed to maintain NO3:PO4 ratio between...

  • Triton P Alpha 100ml
    $32.00
    No reviews

    TRITON Organics Phosphorus Supplement Organic/Inorganic Phosphorus Compounds for Reef Aquariums.   Accelerate Bioavailability of trace element Supplements. Helps creating Nutrient...

  • Triton NO Beta 100ml
    $32.00
    No reviews

    TRITON Organics Nitrogen Supplement Organic/Inorganic Nitrogen Compounds for Reef Aquariums.   Helps creating Nutrient levels according to the TRITON RATIO....

  • Triton NH Alpha 100ml
    $32.00
    No reviews

    TRITON Organics Nitrogen Supplement. Organic/Inorganic Nitrogen Compounds for Reef Aquariums.   Accelerate Bioavailability of trace element Supplements. Helps creating Nutrient...

  • Triton Iron 100ml
    $32.00
    No reviews

    Iron trace element seawater supplement. Beneficial for metabolic processes in reef aquaria. Promotes algae growth and health/colour of LPS/SPS coral....

  • ME Coral Nitrate NO3 2 oz
    $19.99
    No reviews

    ME Nitrate (NO3) is designed to raise nitrates in Low Nutrient systems.  Some systems can become Nitrate (NO3) depleted which...

  • ME Coral Bromide 2 oz
    $19.99
    No reviews

    ME Bromide concentrate is a blend of  pharmaceutical grade Bromide.  It is a minor element in natural seawater at 65...

  • ATI Nutrition C - 500 mL
    $29.95
    No reviews

    ATI Nutrition C delivers a high-quality carbon source that naturally reduces nutrient levels (phosphate PO4, nitrate NO3) and improves the...

  • ATI Elements - Lithium 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...

  • Strontium Concentrate 250 mL (8.4 fl oz) 748172 5120 29
    $7.73
    No reviews

    Strontium Concentrate Julian Sprung's Reef Formula For aquariums with dense growth of reef building corals, this supplement provides an extra...

  • Fauna Marin Kalkwasser 500g
    $23.09
    No reviews

    A Convenient Way to Maintain and Stabilize Calcium and pH Levels Fauna Marin Kalkwasser is an easy-to-use solution for maintaining...