Additives (415)
Alphabetically, A-Z Alphabetically, A-Z
  • 0011605530, Seachem Reef Iodine 500ML
    $11.47
    No reviews

    Reef Iodide™ is an iodide supplement for those with dense populations of invertebrates or soft corals. It is also useful...

  • 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...

  • American Marine Selcon 480ml (16oz)
    $109.99
    No reviews

    The only marine food additive to include Omega 3 HUFA used extensively at commercial fish-farms to raise larger, healthier, more...

  • American Marine Selcon 60ml
    $14.99
    No reviews

    The only marine food additive to include Omega 3 HUFA used extensively at commercial fish-farms to raise larger, healthier, more...

  • API EM Erythromycin Medication - 10ct Powder Packets
    $17.88
    No reviews

    For broad spectrum treatment and control of bacterial disease, such as body slime, mouth fungus, Furunculosis (open lesions and swelling),...

  • ATI Elements - Bromine 1000ml
    $16.07 $22.95
    No reviews

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

  • ATI Elements - Calcium 1000ml
    $16.07 $22.95
    No reviews

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

  • 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...

  • 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...

  • 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...

  • ATI Elements - Molybdenum 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...

  • ATI Elements - Zinc 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...

  • 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...

  • ATI Essentials Mixed Reef #2 - 2.7 Liter
    $34.95
    No reviews

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

  • ATI Essentials Mixed Reef - 5.4 Liter Set
    $59.95
    No reviews

    ATI Essentials Mixed Reef - 5.4 Liter Set (2 x 2.7 L Bottles) ATI Essentials Mixed Reef is a highly...

  • ATI Essentials SPS Reef #1 - 2.7 Liter
    $30.95
    No reviews

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

  • ATI Essentials SPS Reef #2 - 2.7 Liter
    $30.95
    No reviews

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

  • ATI Essentials SPS Reef - 5.4 Liter Set
    $52.95
    No reviews

    ATI Essentials SPS Reef - 5.4 Liter Set (2 x 2.7 L Bottles) ATI Essentials SPS is a concentrated, ready-to-use...

  • ATI ICP Element Alkalinity - 1000 mL
    $29.95
    No reviews

    ATI ICP Element Alkalinity - 1000 mL ATI ICP Element Alkalinity is a high-purity, high-concentration solution designed to restore and...

  • ATI ICP Element Barium - 150 mL
    $19.95
    No reviews

    ATI ICP Element Barium - 150 mL ATI ICP Element Barium is a high-purity solution developed to replenish barium in...

  • ATI ICP Element Boron - 2700 mL
    $29.95
    No reviews

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

  • ATI ICP Element Bromine - 1000 mL
    $29.95
    No reviews

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

  • ATI ICP Element Calcium - 1000 mL
    $29.95
    No reviews

    ATI ICP Element Calcium - 1000 mL ATI ICP Element Calcium is a high-purity, high-concentration solution used to restore and...

  • ATI ICP Element Chromium - 150 mL
    $19.95
    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 Cobalt - 150 mL
    $19.95
    No reviews

    ATI ICP Element Cobalt - 150 mL ATI ICP Element Cobalt is a high-purity solution formulated to restore cobalt levels...

  • ATI ICP Element Copper - 150 mL
    $19.95
    No reviews

    ATI ICP Element Copper - 150 mL ATI ICP Element Copper is a high-purity solution for restoring trace levels of...

  • ATI ICP Element Fluorine - 1000 mL
    $29.95
    No reviews

    ATI ICP Element Fluorine - 1000 mL ATI ICP Element Fluorine is a high-purity solution designed to restore fluorine levels...

  • ATI ICP Element Iodine - 1000 mL
    $29.95
    No reviews

    ATI ICP Element Iodine - 1000 mL ATI ICP Element Iodine is a high-purity solution formulated to restore iodine levels...

  • ATI ICP Element Iron - 150 mL
    $19.95
    No reviews

    ATI ICP Element Iron - 150 mL ATI ICP Element Iron is a high-purity trace element supplement designed to restore...

  • ATI ICP Element Lithium - 150 mL
    $19.95
    No reviews

    ATI ICP Element Lithium - 150 mL ATI ICP Element Lithium is a high-purity solution used to restore lithium levels...

  • ATI ICP Element Magnesium - 1000 mL
    $29.95
    No reviews

    ATI ICP Element Magnesium - 1000 mL ATI ICP Element Magnesium is a high-purity solution designed to restore and maintain...

  • ATI ICP Element Manganese - 150 mL
    $19.95
    No reviews

    ATI ICP Element Manganese - 150 mL ATI ICP Element Manganese is a high-purity solution designed to replenish manganese in...

  • ATI ICP Element Molybdenum - 150 mL
    $19.95
    No reviews

    ATI ICP Element Molybdenum - 150 mL ATI ICP Element Molybdenum is a high-purity trace element supplement that supports biological...

  • ATI ICP Element Nickel - 150 mL
    $19.95
    No reviews

    ATI ICP Element Nickel - 150 mL ATI ICP Element Nickel is a high-purity solution for supplementing trace levels of...

  • ATI ICP Element Potassium - 1000 mL
    $29.95
    No reviews

    ATI ICP Element Potassium - 1000 mL ATI ICP Element Potassium is a high-purity solution used to restore potassium levels...

  • ATI ICP Element Rubidium - 150 mL
    $19.95
    No reviews

    ATI ICP Element Rubidium - 150 mL ATI ICP Element Rubidium is a high-purity solution designed to restore rubidium levels...

  • ATI ICP Element Selenium - 150 mL
    $19.95
    No reviews

    ATI ICP Element Selenium - 150 mL ATI ICP Element Selenium is a high-purity solution designed to restore selenium levels...

  • ATI ICP Element Strontium - 1000 mL
    $29.95
    No reviews

    ATI ICP Element Strontium - 1000 mL ATI ICP Element Strontium is a high-purity solution formulated to restore strontium levels...

  • ATI ICP Element Sulfur - 500 g
    $29.95
    No reviews

    ATI ICP Element Sulfur - 500 g ATI ICP Element Sulfur is a high-purity powdered supplement used to restore sulfur...

  • ATI ICP Element Vanadium - 150 mL
    $19.95
    No reviews

    ATI ICP Element Vanadium - 150 mL ATI ICP Element Vanadium is a high-purity trace element supplement used to restore...

  • ATI ICP Element Zinc - 150 mL
    $19.95
    No reviews

    ATI ICP Element Zinc - 150 mL ATI ICP Element Zinc is a high-purity solution formulated to restore zinc levels...

  • ATI Nutrition C - 500 mL
    $29.95

    OUT OF STOCK

    No reviews

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

  • ATI Nutrition N - 500 mL
    $29.95
    No reviews

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

  • ATI Nutrition P - 500 mL
    $29.95
    No reviews

    ATI Nutrition P delivers a high-quality phosphate and phosphorus source designed to balance phosphate (PO4) and nitrate (NO3) nutrient levels...

  • B-IONIC Magnesium 32 Fl.oz
    $19.99
    No reviews

    B-Ionic Magnesium Through the chemical process known as "ion-pairing", magnesium ion concentration influences the saturation point for calcium carbonate in...

  • Balling Salts Mg 2 kg
    $32.99
    No reviews

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

  • Boyd Chemi-bags 400-micron size 2pk
    $4.73
    No reviews

    Chemi Bags are double stitched nylon filter bags for use with any type of granular filter media such as Phosphate,...

  • Boyd's Grande Chemi-Pure 40 oz (16744-3)
    $44.47
    No reviews

    Chemi-pure is the original ion filter medium in a nylon bag. Chemi-pure produces constant results that make it easier to...

  • 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 -...

  • Brightwell Aquatics Boost pH+ - 1L
    $25.38
    No reviews

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

  • Brightwell Aquatics Boost pH+ 2L
    $46.44
    No reviews

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

  • Brightwell Aquatics Boost pH+ 4L
    $78.52
    No reviews

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