ADDITIVES (489)
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  • Red Sea Reef Foundation A (Ca/Sr) - 1L
    $30.99
    No reviews

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

  • Brightwell Aquatics MicroBacter Clean 1 L
    $42.59
    No reviews

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

  • SEA LAB FORMULA #28 - BOX OF 24 BLOCKS
    $29.99
    No reviews

    Box of 24 Cubes Sea-Lab Formula 28 is a mixture of naturally occurring buffer compounds that maintains natural ocean concentrations...

  • Brightwell Aquatics Magnesion - Liquid Magnesium Supplement - 2L
    $31.41
    No reviews

    Overview: Highly-concentrated ionic magnesium solution. Provides magnesium, which helps regulate the balance between calcium and carbonates in aquarium water, and...

  • Blue Life Safety Stop - Instant Quarantine
    $5.64
    No reviews

    Safety Stop is a simple and effective way to help protect your Saltwater and Freshwater aquarium fish from serious unwanted...

  • Phosphat-E Liquid Phosphate Remover 17oz
    $48.71
    No reviews

    Phosphat-E Liquid Phosphate Remover 17oz

  • Red Sea Reef Colors D (Trace) 500ml
    $20.99
    No reviews

    Coral Colors D A trace element complex that promotes the Purple/Blue colors in corals Bioactive trace elements   Coral Colors...

  • Red Sea Reef Colors B (Potassium) 500ml
    $20.99
    No reviews

    Coral Colors B Potassium complex that promote the Red colors in corals K & Trace elements   Coral Colors B...

  • PolypLab Medic 30ml Reef Safe Fish Mediciation
    $39.99

    OUT OF STOCK

    No reviews

    What is Medic? Medic is a highly effective water conditioner used to de-pollute water in both marine and freshwater environments....

  • Red Sea Trace Colors A (Iodine/Halogens) - 500 ml
    $20.99
    No reviews

    Coral Colors A Iodine/Halogen complex that promote the pink colors in corals I2 | Br2 | F2   Coral Colors...

  • 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...

  • Brightwell MicroBacter QuikCycl Ammonia nutrient for fishless cycle - 60 ml / 2 oz
    $4.49
    No reviews

    Professional nutrients for fishless cycling and establishing strong nitrifying bacteria beds in freshwater and marine aquariums Overview READ ALL BEFORE...

  • Red Sea NO3:PO4-X Nitrate & Phosphate reducer 500ml
    $24.99
    No reviews

    Red Sea NO3: PO4-X is a unique complex of carbons that are used by nutrient reducing bacteria. Each carbon in...

  • 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...

  • UltraLife Blue Green Slime Stain Remover
    $12.95

    OUT OF STOCK

    No reviews

    “Blue-Green Slime Stain Remover” UltraLife Blue Green Slime Stain Remover is a revolutionary time tested product, that will efficiently and...

  • Red Sea Reef Colors C (Iron/Trace) 500ml
    $20.99
    No reviews

    Coral Colors C An iron and complementary trace element complex that promotes the Green colors in corals Fe & Trace...

  • Red Sea Reef Foundation C (Mg) - 1L
    $30.99
    No reviews

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

  • ME Coral Alkalinity Powder (makes 1 gal)
    $14.99
    No reviews

    MECoral Kh powder is pre-measured to make a 1 gallon liquid solution when mixed with your RODI water.   MECoral uses...

  • Brightwell Aquatics NeoPhos - 2 L
    $33.46
    No reviews

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

  • Seachem Prime- 1 L / 33.8fl. oz
    $35.49
    No reviews

    Prime     Complete and concentrated conditioner for both fresh and saltwater     Removes chlorine, chloramine     Detoxifies ammonia, nitrite, and...

  • Seachem Pristine - 100 mL / 3.4 fl. oz.
    $5.14
    No reviews

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

  • Seachem Reef Plus 500 ML
    $11.92
    No reviews

    Reef Plus™is a full spectrum supplement of trace components such as iodide, bromide, molybdenum, iron, manganese, cobalt, potassium, inositol, choline;...

  • Hikari Prazipro 4oz
    $15.49
    No reviews

    NOTE: Picture show is of 16oz bottle, this is the 4oz bottle.   The World’s First Ready-To-Use, Liquid Concentrate Praziquantel...

  • CupriSorb 250 ml
    $19.72
    No reviews

    CupriSorb" is a powerful adsorbent of copper and heavy metals. CupriSorb"  will remove copper more rapidly and efficiently than carbon...

  • Seachem Stability - 500 mL / 17 fl. oz.
    $17.04
    No reviews

    Stability Product Description Stability will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the...

  • API General Cure Powder Packet
    $16.38
    No reviews

    API GENERAL CURE fish remedy treats a wide variety of parasitic diseases including velvet, hole-in-the-head disease (Hexamita spp. & Spironucleus),...

  • Brightwell MicroBacter Purple M - 4 Liter
    $140.92
    No reviews

    Live Beneficial Bacteria – Advanced Purple Non-Sulfur Bacteria (PNSB) supplement that enhances natural nutrient cycling, supports biological filtration, and improves...

  • Two Little Fishes AcroPower Amino Acids for SPS corals - Gallon
    $77.89

    OUT OF STOCK

    No reviews

    Two Little Fishes AcroPower Amino Acids for SPS corals - 1 Gallon AcroPower supplies amino acids that corals need to...

  • Brightwell Aquatics Replenish - Liquid Trace & Minor Mineral
    $18.49
    No reviews

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

  • ME Coral Magnesium Powder (makes 1 gal)
    $26.99
    No reviews

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

  • ME Coral Calcium Powder (makes 1 gal)
    $14.99
    No reviews

    MECoral Calcium (Ca) powder is premeasured  to make a 1 gallon liquid solution when mixed with your RODI water.   MECoral...

  • Brightwell Aquatics Magnesion - Liquid Magnesium Supplement
    $8.64
    No reviews

    Overview: Highly-concentrated ionic magnesium solution. Provides magnesium, which helps regulate the balance between calcium and carbonates in aquarium water, and...

  • Two Little Fishies Liquid Instant Phosphate Binder 500 ml
    $25.86
    No reviews

    Got a little Phosphate problem? You can solve that in a hurry with PhosBan GFO granular ferric oxyhydroxide. But if...

  • Seachem Stability - 250 mL / 8.5 fl. oz.
    $8.99

    OUT OF STOCK

    No reviews

    Stability Product Description Stability will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the...

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

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

  • Fauna Marin ELEMENTALS TRACE Zn - Zinc 250ml
    $28.86
    No reviews

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

  • Seachem PolyGuard - 10 g / 0.4 oz
    $8.14
    No reviews

    PolyGuard is the single most effective medication to keep freshwater fish free of disease! It is an effective treatment and...

  • Blue Life USA Aiptasia Rx
    $12.62
    No reviews

      Benefits: Aiptasia Control is a simple, Veterinarian approved, and quick solution for controlling aiptasia and other nuisance anemones. This...

  • Red Sea Reef Foundation B (Alk) - 500ml Liquid
    $20.99
    No reviews

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

  • Brightwell Aquatics Reef Code A - Balanced Calcium & Alkalinity System - Part A - 2 Liter
    $23.76
    No reviews

    Overview • The calcium-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing...

  • Brightwell ChaetoGro - 500 ml / 17 fl. oz.
    $23.87
    No reviews

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

  • Seachem StressGuard 250 mL / 8.5 fl. oz.
    $9.56
    No reviews

    StressGuard Product Description StressGuard™ is the premium slime coat protection product. StressGuard™ will reduce stress and ammonia toxicity whenever handling...

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

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

  • Two Little Fishes AcroPower Amino Acids for SPS corals - 250
    $14.94

    OUT OF STOCK

    No reviews

    Two Little Fishes AcroPower Amino Acids for SPS corals - 250 AcroPower supplies amino acids that corals need to build...

  • Seachem Cupramine - 250 mL / 8.5 fl. oz.
    $19.08

    OUT OF STOCK

    No reviews

    Cupramine effectively eradicates Oodinium, Cryptocaryon, Amyloodinium, Ichthyophthirius, and other ectoparasites of both freshwater and marine fish. It is superior to...

  • Ultralife Red Slime Stain Remover, .71 Oz (treats 300 gallons)
    $16.95
    No reviews

    Previously know as the Ultralife Red Slime Remover, new packaging-same great product! Ultralife Red Slime Stain Remover is a revolutionary...

  • Red Sea Reef Foundation C (Mg) - 500ml Liquid
    $20.99
    No reviews

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

  • ESV KALKWASSER 14 oz
    $14.99
    No reviews

    Calcium Hydroxide (Kalkwasser Powder)   Calcium Hydroxide is a proven standard for maintaining calcium concentration and alkalinity in closed marine...

  • Reef Code B - Balanced Calcium & Alkalinity System - Part B - 2 Liter
    $23.76
    No reviews

    Overview • The carbonate-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing...

  • Fauna Marin Bacto Reef Blend 500 ml
    $46.19

    OUT OF STOCK

    No reviews

    Bacteria System for Marine Aquariums Fauna Marin Bacto Blend is a unique composition of halophilic and phototrophic bacteria cultures that...

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

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

  • ME Coral Iodine 2 oz
    $19.99
    No reviews

    ME Iodine concentrate is a pharmaceutical grade concentrated additives for maintaining appropriate levels of Iodine in modern aquariums.  Iodine levels...