ADDITIVES (454)
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  • Brightwell Aquatics Polyp Ignite - 125 ml
    $27.20
    No reviews

    Polyp Ignite Polyp stimulator amino acid, fatty acid and pigment complex for stimulating a feeding response in corals and their...

  • Brightwell Aquatics Polyp Ignite - 60 ml
    $19.24
    No reviews

    Polyp Ignite Polyp stimulator amino acid, fatty acid and pigment complex for stimulating a feeding response in corals and their...

  • Fauna Marin Color Elements Blue/Purple Complex 500ml
    $27.49
    No reviews

    Color Elements Blue/Purple Complex - Enhanced Coral Growth and Coloration Fauna Marin Color Elements is a blend of trace elements...

  • Fauna Marin Color Elements Green/Blue Complex 500ml
    $27.49
    No reviews

    Color Elements Green/Blue Complex - Enhanced Coral Growth and Coloration Fauna Marin Color Elements is a blend of trace elements...

  • Fauna Marin Color Elements Red/Purple Complex 500ml
    $27.49
    No reviews

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

  • Two Little Fishes AcroPower Amino Acids for SPS corals - 500ml
    $22.70
    No reviews

    Two Little Fishes AcroPower Amino Acids for SPS corals - 500 AcroPower supplies amino acids that corals need to build...

  • Brightwell Aquatics CoralAmino - Free Form Amino Acid Supplement - 60ml
    $30.94
    No reviews

    Overview: Complex of free-form amino acids in the same ratios found within tissues of stony corals. Beneficial to all corals...

  • Fauna Marin Balling Trace 3 Health 500 ml
    $26.39
    No reviews

    Achieve a Metallic Health Fluorescent Effect with Trace 3 Balling Light Solution Adding Trace 3 - Metallic Health Fluorescent Effect...

  • Fauna Marin Balling Trace 2 Metabolic 500 ml
    $26.39
    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 500 ml
    $26.39
    No reviews

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

  • Fauna Marin ELEMENTALS TRACE Co - Cobalt 250ml
    $27.49
    No reviews

    Highly Concentrated Cobalt Fauna Marin Elementals Trace Co is a high purity Cobalt solution for compensating Cobalt deficiencies in reef...

  • Fauna Marin ELEMENTALS TRACE Cr - Chromium 250ml
    $27.49
    No reviews

    Highly Concentrated Chromium Fauna Marin Elementals Trace Cr is a high purity Chromium solution for compensating Chromium deficiencies in reef...

  • Fauna Marin ELEMENTALS N - Nitrogen 1000 ml
    $38.49
    No reviews

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

  • Fauna Marin ELEMENTALS P - Phosphate 1000 ml
    $38.49
    No reviews

    Highly Concentrated Phosphate Fauna Marin Elementals P is a high purity Phosphate solution for compensating Phosphate deficiencies in reef aquariums. ...

  • Fauna Marin ELEMENTALS K - Potassium 1000 ml
    $27.49
    No reviews

    Highly Concentrated Potassium Fauna Marin Elementals K is a highly concentrated potassium solution for saltwater aquariums with potassium deficiencies. The...

  • Fauna Marin Multi Elements B Trace Element Complex 1000 ml
    $49.49
    No reviews

    Multi Elements B - Trace Element Solution for Calcium Reactor Users Multi Elements B contains substances and compounds essential for...

  • Fauna Marin Multi Elements A Trace Element Complex 500 ml
    $28.59
    No reviews

    Multi Elements A - Trace Element Solution for Calcium Reactor Users Multi Elements A contains the elements responsible for coral...

  • ATI Nutrition N - 500 mL
    $29.95

    OUT OF STOCK

    No reviews

    ATI Nutrition N delivers a high-quality nitrogen source designed to balance phosphate (PO4) and nitrate (NO3) nutrient levels in marine...

  • ATI Elements - Molybdenum 100ml
    $18.95
    No reviews

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

  • ESV B-Ionic Transition Elements PLUS+ 32oz
    $32.99
    No reviews

    B-Ionic Transition Elements PLUS+   B-Ionic Transition Elements Plus is the latest product by ESV, formulated by Bob Stark in...

  • Red Sea 4-Part Complete Reef Care - Medium Pack (80 gal)
    $114.99

    OUT OF STOCK

    No reviews

    Complete 4-part Supplement Program Optimal coral growth & coloration in non-refugium systems. Simplify your supplementing routine at no extra cost!...

  • Fauna Marin Balling Salts BIOPOLYMER Kh 2 kg
    $32.99

    OUT OF STOCK

    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 RTN/STN X 1000 ml
    $98.99
    No reviews

    Acts Against Tissue Necrosis in Corals Fauna Marin RTN/STN X is a special formula that interferes with the developmental processes...

  • PolypLab Reef Primer 45g Coral Dip
    $16.99
    No reviews

    Help prevent Zoanthid Eating Nudibranchs, Montipora Eating Nudibranchs, Acropora Eating Flatworms, Bristleworms, Zoanthid Eating Spiders Red Flatworms, Filamentous Hair Algae,...

  • Seachem Reef Trace 500 mL / 17 fl. oz.
    $11.92
    No reviews

    Reef Trace" supplies a broad range of trace elements demonstrated to be necessary for proper reef health and growth. Trace...

  • Blue Life USA Phosphate Rx - 1 oz
    $38.40
    No reviews

      Benefits: Phosphate Control is an amazingly simple and effective product that has revolutionized the way phosphates are removed from...

  • Red Sea Reef Foundation C (Mg) - 1kg Dry
    $33.99
    No reviews

    Reef Foundation C A magnesium complex for balanced formation of coral skeletons Mg   Calcium, magnesium, strontium and carbonate are...

  • Red Sea Reef Foundation B (Alk) - 1kg Dry
    $33.99
    No reviews

    Reef Foundation B Carbonate & buffer complex for balanced formation of Coral Skeleton Alk   Calcium, magnesium, strontium and carbonate...

  • 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,...

  • Brightwell Aquatics NeoNitro - 2L
    $31.56
    No reviews

    Overview Used in conjunction with MICROBACTER7 and REEF BIOFUEL or KATALYST, enables natural phosphorus uptake to take place in systems...

  • PRODIBIO BioDigest FW/SW 6/vials
    $20.35
    No reviews

    Kick-Start Your Aquarium's Natural Filter with BioDigest   Contains Bacteria to Help with Biological Filtration Available in 6, 10, 12,...

  • Brightwell Aquatics MicroBacter Clean 250ml
    $13.29
    No reviews

    Microbial culture & enzyme blend designed to target and clean surfaces of live rock and more Overview Complex system of...

  • Tunze Care Bacter
    $29.99
    No reviews

    Care Bacter Care Bacter contains bacteria on a substrate of powdered Maerl gravel, which keep fresh or seawater aquaria clean....

  • Brightwell Aquatics Razor Marine, Systemic Cleaner, coral safe 2L
    $68.72
    No reviews

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

  • Seachem Pristine - 250 mL / 8.5 fl. oz.
    $10.36
    No reviews

    Pristine Product Description Pristine uses bio-augmentation, a non-chemical and natural method, to improve water quality. It provides bacteria that break...

  • Prodibio Bioptim SW - 30 vials
    $49.68

    OUT OF STOCK

    No reviews

    Energize the Beneficial Bacteria in Your Aquarium   Nutrients to Help Bacteria Work More Efficiently Direct Supplement to Prodibio BioDigest...

  • PRODIBIO BioClean SW 30/vials
    $55.99

    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...

  • Fauna Marin Dino M - 500ml
    $54.99
    No reviews

    Fauna Marin Dino M, 500ml Fauna Marin Dino M Dinoflagellate treatment for reef aquariums offers a safe way to combat...

  • Copper Power Blue for Saltwater - 1 gal
    $109.99

    OUT OF STOCK

    No reviews

    COPPER POWER has been a preferred choice for marine fish enthusiasts fish stores, and aquariums since 1984. We are happy...

  • Fauna Marin Color Elements Red/Purple Complex 250ml
    $21.99

    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...

  • Boyd's Vita-Chem Marine 16 oz (16709-2)
    $40.02
    No reviews

    Concentrated with 10 times more omega 3's than any other vitamin. Vita-chem brings out the natural color of fish -...

  • Fauna Marin ELEMENTALS TRACE I - Iodine 250ml
    $27.49
    No reviews

    Highly Concentrated Iodine Fauna Marin Elementals Trace I is a high purity Iodine solution for compensating Iodine deficiencies in reef...

  • Fauna Marin Multi Elements A Trace Element Complex 1000 ml
    $49.49
    No reviews

    Multi Elements A - Trace Element Solution for Calcium Reactor Users Multi Elements A contains the elements responsible for coral...

  • 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 Potassium 2 oz
    $19.99
    No reviews

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

  • ATI Elements - Chromium 100ml
    $18.95
    No reviews

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

  • ESV B-Ionic Transition Elements - 8oz
    $9.99
    No reviews

    B-Ionic Transition Elements   B-Ionic Transition Elements is the latest product by ESV, formulated by Bob Stark in collaboration with...

  • Red Sea Trace Colors ABCD 4-Pack (4@100ml)
    $28.99
    No reviews

    Red Sea’s Trace Colors A|B|C|D Provides the 31 minor and trace elements required by corals:   Trace Colors A –...

  • Boyd's Vita-Chem Marine 4 oz (16707-8)
    $13.32
    No reviews

    Concentrated with 10 times more omega 3's than any other vitamin. Vita-chem brings out the natural color of fish -...

  • Two Little Fishies Iodine Concentrate 250 mL (8.4 fl oz)
    $7.73
    No reviews

    Iodine Concentrate Julian Sprung's Reef Formula Iodide and iodine supplement made from potassium iodide and seaweed extracts. Use this supplement...

  • Red Sea 4-Part Complete Reef Care - Large Pack (160 gal)
    $189.99

    OUT OF STOCK

    No reviews

    Complete 4-part Supplement Program Optimal coral growth & coloration in non-refugium systems. Simplify your supplementing routine at no extra cost!...