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    …necrosis within a few days Turbinaria Reniformis stops growing.   Warning: Do not increase dosage given on the label. Product is highly concentrated. We recommend to check potassium level regularly like Ca or Mg.   K-Balance Strong is especially useful to increase the potassium level in big tanks.

    Starting at:
    $23.99

    …Reniformis stops growing.   Dosing: 1 mL/25 gallons per day   Warning: Do not increase dosage given on the label. Product is highly concentrated. We recommend to check potassium level regularly like Ca or Mg.   K-Balance Strong is especially useful to increase the potassium level in big tanks.

    Starting at:
    $18.99

    Four simple steps to results. Easily and accurately test for low range ammonia in fresh water with the Hanna Checker Colorimeter - Ammonia Low Range for Fresh Water (HI 700). Designed to be more accurate alternative to chemical test kits. First, add sample to the included cuvette. Next, insert…

    $49.95

    Four simple steps to results. Easily and accurately test for free chlorine with the Hanna Checker Colorimeter (HI 711). Designed to be a more accurate alternative to chemical test kits. First, add sample to the included cuvette. Next, insert the sample into the Checker and zero the instrument with…

    $49.95

    HW-Marinemix Professional Salt Mix is a high purity blend of salt mix produced using the synthetic process and does not contain any recycled components. Uses high-grade materials to match natural seawater while providing natural calcium and magnesium concentrations to match natural seawater. One of…

    $65.99

    Check for high ranges of Phosphates (orthophosphates) in your fresh and marine water. The Hanna HI717 Checker HC Handheld Colorimeter for Phosphates HR bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument…

    $49.95

    …maintaining what your corals need to grow. Package Contains: 250mL Reef Foundation A (Ca,Sr) 250mL Reef Foundation B (Alk) 250mL Reef Foundation C (Mg)   Red Sea's Reef Foundation system has been designed to help promote coral growth and coloration while maintaining the health of the coral.   When…

    $23.99

    Quickly and accurately measure the Magnesium concentration in saltwater aquariums! Every test kit batch is certified and approved by Aquaforest ICP-OES testing reference solutions.   Recommended Magnesium Level - 1260ppm - 1500ppm   Aquaforest marine test kits are designed to quickly and accurately…

    $17.99

    Red Sea Salt provides the biologically balanced, natural levels of the foundation elements (Calcium, Magnesium & Carbonates) necessary for mature aquariums and enhanced coral coloration. BRS recommends using a complete salt mix, to save money and time on testing supplies and major element…

    Starting at:
    $26.99

    Maintain vibrant coral coloration and health with Tropic Marin's Potassium supplement   Potassium is an essential main nutrient for all organisms. In seawater the natural potassium concentration is approximately 408 ppm. Potassium consumption is usually low since potassium does not form insoluble…

    $17.49

    High-density nutrition for all small fish & inverts! Bulk Reef Supply's Pellet Diet was specifically formulated to provide a protein rich diet with excellent nutritional qualities for a variety of fish and inverts. Pellets are sized around 1 mm, making them an excellent choice for small fish, and…

    $7.49

    The only reference solution based on a saltwater matrix that includes 8 of the most popular parameters for saltwater aquariums in a single solution. Fauna Marin’s Multi-Reference Solution is used to check your home water test kits for accuracy. Using your water test kits at home, you can measure the…

    $19.99

    Treat and control unwanted parasites like flukes, tapeworms, flatworms, and turbellarians in your reef tank. Safe and effective Liquid concentrate praziquantel treatment Won't negatively impact biological filtration Use a treatment or to prevent infection Non-toxic to common aquarium inhabitants and…

    Starting at:
    $4.59

    …Red Sea Coral Package Includes: 1 kg - Red Sea Reef Foundation A (Ca/Sr) 1 kg - Red Sea Reef Foundation B (Alk) 1 kg - Red Sea Reef Foundation C (Mg) Red Sea Trace Colors A (Iodine/Halogens) - 500 mL Red Sea Trace Colors B (Potassium) - 500 mL Red Sea Trace Colors C (Iron/Trace) - 500 mL Red Sea…

    $119.99

        Formulated by Julian Sprung with pharmaceutical grade ingredients and high purity salts. Fast dissolving with repeatable performance, Two Little Fishies AccuraSea1 Salt Mix is a synthetic salt that has been engineered to simulate natural seawater, and packaged in individual packs ensuring an…

    Starting at:
    $26.99

    …more significant than others. These elements, the foundation of the reef environment, include the three major elements: Calcium (Ca), Magnesium (Mg) and Carbonates (CO3). All three have a major effect on water chemistry (pH stability, Alkalinity, ionic strength) and on many of the coral’s biological…

    $34.99

    The Milwaukee MI412 Low Range Phosphate Photometer is very simple to use and will give you readings on a large, easy to read LCD screen. The MI412 gives super fast results with a very high level of accuracy with the ability to give reproducible readings. Large LCD Display Reliable, Repeatable…

    $189.99

    Why does BRS recommend this? The Hanna Phosphate Checker is an awesome little tool that will give you accurate easy to read results.  If you have bad eyes or have a hard time with color change test kits, the digital readout on the Hanna checkers is super easy to read.  The biggest key with Hanna…

    $49.95

    The Hanna Alkalinity checker is an awesome little tool that will give you accurate easy to read results.  If you have bad eyes or have a hard time with titration test kits, the digital read out on the Hanna checkers is super nice and easy to read.  The biggest key with Hanna checkers is keeping the…

    $49.95

    …more significant than others. These elements, the foundation of the reef environment, include the three major elements: Calcium (Ca), Magnesium (Mg) and Carbonates (CO3). All three have a major effect on water chemistry (pH stability, Alkalinity, ionic strength) and on many of the coral’s biological…

    $34.99

    All frozen foods do not ship free as described above. Frozen Foods will ship on Tuesdays and Thursdays only with UPS Next Day Air delivery service for a single flat rate of $29.99. Due to customs restrictions, we are unable to ship this product to Canada, Alaska, Hawaii, or any other US Territories…

    $7.46

    100 MG/HR Ozone unit with ORP Controller and Air Dryer – easy to use and budget-friendly. Easy to read back-lit digital display. Utilizes the digital continuous sampling and control technology to control the ORP value more exactly and reliably. Designed for use in a humid environment. No regular…

    $189.99

    200 MG/HR Ozone unit with ORP Controller and Air Dryer – easy to use and budget-friendly. Easy to read back-lit digital display. Utilizes the digital continuous sampling and control technology to control the ORP value more exactly and reliably. Designed for use in a humid environment. No regular…

    $219.99

    Redesigned with new 100 µL Pipette Accurately check your reef tanks calcium level with the Hanna HI758 Calcium Checker. Three simple steps to results. The Hanna Calcium Checker bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use.…

    $49.95

    …should be no longer than 6 hours daily. Set skimmer to skim wet and run 24/7. Water parameters can be adjusted with Balling Light or lime water. These do not affect Dino X performance. Pre-mixed Ca, Alk, Mg, solutions should be used with caution as these often contain additional trace elements.  

    Starting at:
    $29.99

    Frozen Foods will ship with UPS Next Day Air delivery service for a single flat rate of $29.99. Due to customs restrictions, we are unable to ship this product to Canada, Alaska, Hawaii, or any other US Territories at this time. Revolutionary Formulation Food For All Algae Eating Marine Fish. Hikari…

    $5.16

    Frozen Foods will ship with UPS Next Day Air delivery service for a single flat rate of $29.99. Due to customs restrictions, we are unable to ship this product to Canada, Alaska, Hawaii, or any other US Territories at this time. If you only have one food in your freezer, Mega Marine should be it!…

    $5.16

    Frozen Foods will ship with UPS Next Day Air delivery service for a single flat rate of $29.99. Due to customs restrictions, we are unable to ship this product to Canada, Alaska, Hawaii, or any other US Territories at this time. Hikari specially designed and formulated a food to bring out the…

    $4.99

    Why does BRS recommend this? When it comes to ozone reactors the Poseidon is a class leader by producing by constantly outperforming its competition.  With an adjustable output, and patented Cold Spark Corona Discharge not many other ozone generators come close to its performance in its price…

    $244.99

    Frozen Foods will ship with UPS Next Day Air delivery service for a single flat rate of $29.99. Due to customs restrictions, we are unable to ship this product to Canada, Alaska, Hawaii, or any other US Territories at this time. Whole brine shrimp gut loaded with spirulina algae and other natural…

    Starting at:
    $4.59

    Frozen Foods will ship with UPS Next Day Air delivery service for a single flat rate of $29.99. Due to customs restrictions, we are unable to ship this product to Canada, Alaska, Hawaii, or any other US Territories at this time. Krill is known to naturally contain higher levels of astaxanthin, which…

    Starting at:
    $4.24

    Frozen Foods will ship with UPS Next Day Air delivery service for a single flat rate of $29.99. Due to customs restrictions, we are unable to ship this product to Canada, Alaska, Hawaii, or any other US Territories at this time. Ocean Plankton is known to naturally contain higher levels of…

    Starting at:
    $3.69