ADDITIVES (489)
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  • Nyos Bacto Plus 250ml
    $24.99

    OUT OF STOCK

    No reviews

    Bacto Plus NYOS Bacto Plus 100ml delivers seven strains of beneficial bacteria that accelerate biological filtration, reduce nutrients (nitrate, nitrite,...

  • Nyos Bacto Plus 100ml
    $14.99

    OUT OF STOCK

    No reviews

    Bacto Plus NYOS Bacto Plus 100ml delivers seven strains of beneficial bacteria that accelerate biological filtration, reduce nutrients (nitrate, nitrite,...

  • Tropic Marin ALL-FOR-REEF 500 ml
    $23.99
    No reviews

    Overall mineral supply for reef aquariums   ALL-FOR-REEF is an easy- to-use, highly concentrated solution for the supply of ALL...

  • Tropic Marin BIO-CALCIUM ORIGINAL BALLING Part C 1 kg
    $20.99
    No reviews

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

  • Tropic Marin BIO-CALCIUM ORIGINAL BALLING Part B 1 kg
    $14.99
    No reviews

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

  • Two Little Fishies Iron Concentrate 250ml (8.4oz) bottle
    $6.09

    OUT OF STOCK

    No reviews

    Iron and manganese are essential to the health of all plants, including the macro algae that are commonly cultivated in...

  • ASF Reef Shots Alkalinity (24 shots = 16oz)
    $19.99
    No reviews

    Reef Shots Alkalinity (24 shots = 16oz)

  • DrTim's Reef Waste-Away (120ml - Treats 120 gal)
    $13.49
    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 Eco-Balance (240ml - Treats 240 gal)
    $18.99
    No reviews

    Probiotics for Core System Health Use DrTim’s Eco-Balance Probiotic Bacteria to Promote Optimal Water Quality Eco-Balance Multi-Strained Probiotic Bacteria helps...

  • DrTim's Reef Eco-Balance (120ml - Treats 120 gal)
    $12.09
    No reviews

    Probiotics for Core System Health Use DrTim’s Eco-Balance Probiotic Bacteria to Promote Optimal Water Quality Eco-Balance Multi-Strained Probiotic Bacteria helps...

  • DrTim's Marine Waste-Away Gel MD - Single
    $18.39
    No reviews

    DrTim’s Aquatics Waste-Away Time Release Gels The gels are full of our Waste-Away Bacteria that are automatically and continuously released...

  • DrTim's Marine Waste-Away Gel SM - Single
    $12.59
    No reviews

    DrTim’s Aquatics Waste-Away Time Release Gels The gels are full of our Waste-Away Bacteria that are automatically and continuously released...

  • DrTim's Reef Clear-Up (3785ml - Treats 7680 gal)
    $153.79
    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 (1920ml - Treats 3840 gal)
    $86.89
    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 (240ml - Treats 480 gal)
    $25.09
    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 (120ml - Treats 240 gal)
    $12.79
    No reviews

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

  • DrTim's Saltwater Waste-Away (120ml - Treats 120gal)
    $13.49
    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 Saltwater Re-Fresh (480ml - Treats 960gal)
    $61.59
    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:   Revitalizes old,...

  • DrTim's Saltwater First Defense (120ml - Treats 240gal)
    $12.79
    No reviews

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

  • DrTim's Saltwater One & Only - 60ml - Treats 30 gal
    $22.89
    No reviews

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

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

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

  • ATI ICP Element Sulfur - 500 g
    $26.95
    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 Magnesium - 1000 mL
    $26.95
    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 Lithium - 150 mL
    $16.95
    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 Copper - 150 mL
    $16.95
    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 Calcium - 1000 mL
    $26.95
    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 Alkalinity - 1000 mL
    $26.95
    No reviews

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

  • ATI Essentials SPS Reef #1 - 2.7 Liter
    $26.95
    No reviews

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

  • Fauna Marin The Cup
    $57.74
    No reviews

    The Cup simplifies aquarium maintenance with this innovative magnetic feeding basket, letting you precisely place supplements without getting your hands...

  • Brightwell Aquatics Fish Recover M - 500ml
    $17.67
    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...

  • Fauna Marin Color Elements Blue/Purple Complex 250ml
    $23.09
    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 250ml
    $23.09
    No reviews

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

  • Prodibio Coral Color Booster Trace Elements
    $51.22
    No reviews

    Trace Elements for Optimal Coral Coloration   Contains Strontium, Iron, Iodine, and other Trace Elements Balanced Formulation to Prevent Risk...

  • IceCap Bottle Caddy
    $44.46
    No reviews

    Durable acrylic bottle caddy holds ten 37mm diameter bottles and includes four 25.5mm diameter reducers for smaller bottles.   The...

  • ME Coral Polyp Extender Amino 8 oz
    $14.99
    No reviews

    ME Amino provides corals with special protein nutrition that encourages coral growth and coloration, without adding phosphates that inhibit coral...

  • Brightwell Aquatics CoralAmino - 30ml
    $21.10
    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 ELEMENTALS TRACE Li - Lithium 250ml
    $28.86
    No reviews

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

  • Fauna Marin ELEMENTALS BR - Bromine 1000 ml
    $28.86
    No reviews

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

  • PaxBellum Nitrate & Molybdenum Supplements 500ml 5% Solution
    $9.99 $28.00
    No reviews

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

  • Triton Bio Base ULNS 100ml
    $38.00
    No reviews

    TRITON Organic Support System. Organic support system for the reef aquarium with very low nutrient levels and / or organic...

  • Triton Bio Base 100ml
    $38.00
    No reviews

    TRITON Organic Support System Organic support system for the reef aquarium with normal nutrient levels.   Accelerates bioavailability of trace...

  • Triton P Beta 100ml
    $32.00
    No reviews

    TRITON Organics Phosphorus Supplement. Organic/Inorganic Phosphorus Compounds for Reef Aquariums.   Helps to balance nutrient levels according to the TRITON...

  • Triton C03 1000ml
    $14.00 $28.00
    No reviews

    CO3 alkalinity buffer is used to individually raise alkalinity with affecting other elements. CO3 alkalinity buffer is used to individually...

  • Triton Chromium 100ml
    $32.00
    No reviews

    Chromium trace element seawater supplement. Beneficial for calcification of coral skeleton and colour. Chromium trace element seawater supplement. Beneficial for...

  • Triton Cobalt 100ml
    $32.00
    No reviews

    Cobalt trace element seawater supplement. Beneficial for SPS/LPS coral colour and health. Cobalt trace element seawater supplement. Beneficial for SPS/LPS...

  • Triton Lithium 100ml
    $32.00
    No reviews

    Lithium trace element seawater supplement. Lithium is an important element for overall health of reef aquaria. Lithium trace element seawater...

  • ME Coral Potassium 16 oz
    $13.99
    No reviews

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

  • Fauna Marin Kalkwasser 2.75kg
    $103.94
    No reviews

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

  • Fauna Marin Kalkwasser 1000g
    $43.88
    No reviews

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

  • Brightwell Aquatics Cuprion - 60 ml
    $10.41
    No reviews

    Overview For use by experienced, qualified professional aquarists only. Ionic, non-chelated copper solution. 1 drop per gallon of water increases...

  • Fauna Marin AEFW X 500 ml
    $57.74
    No reviews

    Fauna Marin AEFW X is a pest control solution that works against the dreaded Acropora flatworms (AEFW and NAEFW) that...

  • ME Coral Wash Off Single Shot Dip makes 1 gal
    $0.99 $2.99
    No reviews

    Wash Off is a powerful Coral Cleaner for newly acquired corals such as Sps, Lps, Chalice, Zoas, Montipora, Mushrooms and...