ADDITIVES (489)
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  • Brightwell Aquatics Strontion - Liquid Strontium Supplement - 250ml
    $10.76
    No reviews

    Overview Highly-concentrated ionic strontium solution. Incorporated by corals, clams, and other reef-building invertebrates into aragonite, the mineral that is secreted...

  • 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...

  • 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...

  • Fauna Marin ReBiotic 100% Natural 100 ml (50 grams) (1.76 ounces)
    $38.10
    No reviews

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

  • Fauna Marin Bacto Reef Therapy 250 ml
    $30.02
    No reviews

    The Perfect Mix of Halophilic and Probiotic Bacteria Cultures for Reef Aquariums Fauna Marin Bacto Therapy is a super-efficient, concentrated...

  • Seachem Stability 4L/1gal
    $86.67
    No reviews

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

  • 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...

  • Brightwell Aquatics SpongExcel - Silica solution for improve
    $16.07
    No reviews

    Ionic silica solution for enhancing growth rates of sponges and gastropods.

  • 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...

  • 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...

  • 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...

  • Copper Power Green for Freshwater - 16 fl oz
    $19.99
    No reviews

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

  • ME Coral Nitrate 32 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...

  • Fauna Marin ELEMENTALS TRACE Fe - Iron 250ml
    $28.86
    No reviews

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

  • Fauna Marin Balling Salts Kh 4 kg
    $57.74
    No reviews

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

  • Coral Rx One Shot Coral Dip - Single Shot Dosage
    $2.99
    No reviews

    Most reef tank owners do not have access to well designed quarantine systems as they are expensive and time consuming....

  • EcoSystem Aquarium Miracle Mud - 5 lbs - SALTWATER
    $39.99

    OUT OF STOCK

    No reviews

    Miracle Mud is a product of EcoSystem Aquarium. Miracle Mud is comprised of up to 80% oceanic mud, harvested from...

  • 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...

  • 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...

  • Fauna Marin Bacto Reef Blend 500 ml
    $46.19
    No reviews

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

  • Brightwell ChaetoGro 250 ml /8.5 fl. oz.
    $13.13
    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...

  • Brightwell Aquatics Reef BioFuel - Enhances Nutrient Uptake
    $13.13
    No reviews

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

  • 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),...

  • Ultralife Aiptasia and Majano Remover
    $10.95
    No reviews

    Aiptasia & Majano Remover The latest development for the removal of Aiptasia & Majano Anemones. Ultralife, thru years of research...

  • Brightwell Aquatics Polyp Ignite - 125 ml
    $28.83
    No reviews

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

  • ME Coral Fluoride 2 oz
    $19.99
    No reviews

    ME Fluoride is a highly concentrated solution of Sodium Fluoride of the highest purity.  Aquarium seawater can become Fluoride depleted. ...

  • 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...

  • Triton Core7 Base Elements 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 Triton Method:  CORE7...

  • Fauna Marin Balling Salts Ca 4 kg
    $57.74
    No reviews

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

  • Reef Delete ITC V1.02 - Sterilize Aiptasia and Other Pests
    $399.99
    No reviews

    Reef Delete is the ultimate reefing tool for pest and aquarium maintenance - Whether its destroying Aiptasia, Algaes or Flatworms...

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

    SulfaPlex is an effective and safe treatment for many bacterial, fungal and protozoan infestations in the aquarium. While it can...

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

    NeoPlex is a broad spectrum antibiotic effective against most external infections of both marine and freshwater fish. Used as directed,...

  • Seachem ParaGuard - 250 mL / 8.5 fl. oz.
    $9.85
    No reviews

    ParaGuard is the only fish and filter safe aldehyde based (10% by weight) parasite control product available (for parasites on...

  • Brightwell Aquatics Boost pH+ 500ml
    $14.75
    No reviews

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

  • 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...

  • Fauna Marin Reef Start PRO Bac 60ml
    $17.31
    No reviews

    The Ideal Bacteria for Starting a New Reef Aquarium Fauna Marin's Reef Start PRO Bac is a highly effective product...

  • Brightwell MicroBacter QuikCycl Ammonia nutrient for fishless cycle - 125 ml / 4 fl. oz.
    $5.95
    No reviews

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

  • ATI ICP Element Strontium - 1000 mL
    $26.95
    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 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...

  • Fauna Marin ELEMENTALS P - Phosphate 1000 ml
    $40.41
    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 Sr - Strontium 1000 ml
    $28.86
    No reviews

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

  • Fauna Marin Multi Elements B Trace Element Complex 1000 ml
    $51.96
    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 B Trace Element Complex 500 ml
    $30.02
    No reviews

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

  • Red Sea 4-Part Complete Reef Care - Small Pack (40 gal)
    $69.99
    No reviews

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

  • Hikari Prazipro 1oz
    $4.79
    No reviews

    PraziPro Liquid PraziPro is a ready-to-use, liquid concentrate that was developed to offer the hobbyist an effective way to control...

  • PolypLab Reef Primer 180g Coral Dip
    $44.99
    No reviews

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

  • Brightwell Aquatics Boost pH+, 250ml
    $8.64
    No reviews

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

  • Fauna Marin Bacto Reef Blend 250 ml
    $30.02

    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...

  • Two Little Fishies Liquid Instant Phosphate Binder 1 gallon (3.8 L)
    $95.82
    No reviews

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

  • Red Sea Reef Mature Starter Kit
    $39.99
    No reviews

    REEF MATURE STARTER KIT Complete biological maturation program for reef and marine aquariums. Nitrification + Nitrate and Phosphate reduction. Includes...

  • Seachem Pristine - 500 mL / 17 fl. oz.
    $19.62
    No reviews

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