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    If you could skip complicated reactors and multi-part dosing systems and get your calcium, alkalinity, and magnesium in one simple solution, would you? Not that long ago, one part solutions that promised to maintain balanced calcium and alkalinity were questionably effective , or like kalkwasser…

    $19.99 Regular Price: $

    …to 240 gallon aquariums Dr.Tim's One & Only Live Nitrifying Bacteria for saltwater tanks is widely used throughout the hobby and can be used to help prevent common issues with new tanks while helping stabilize existing tanks. Dr. Tim is considered to be one of the premier authorities on marine…

    $18.89 Regular Price: $
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    …an automatic doser to feed your corals with Reef Energy Plus, as the new all-in-one formulation can be kept unrefrigerated and unstirred for up to one week without compromising the efficacy of the combined components. Dosing Recommendations By Tank Type (Average daily usage per 25 gallons) LPS/SPS…

    $18.99 Regular Price: $
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    The Fiji Cube AIO Drop-In Kits simplify the process of building an all-in-one aquarium with a pre-built sump box that fits perfectly in the back of your aquarium and includes divided sections for your filtration, heating, and water circulation equipment. Fiji Cube designed this AIO box to maximize…

    $74.99 Regular Price: $
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    …DS system connected through a 1Link port will let you remove the bulky power supply brick saving room and removing clutter. Features Less Clutter One Cable Installation of DS Pump System 10 Feet Long 4 Pin Male x Male Connection Now you no longer need the power supply or Aquabus cable for your DS…

    $21.95 Regular Price: $

    …prophylactic measure to promote coral health and bacterial infections. How to use Coral Rx One Shot: 1. Pour one gallon of water from your aquarium into a bowl or bucket. 2. Add the whole vial of Coral Rx One Shot to the bowl or bucket. 3. Shake you coral in Coral Rx solution for five to ten…

    $2.99 Regular Price: $

    …a TDS meter as one of the most useful tools for ensuring your RO or RO/DI system is functioning at its best. A TDS meter can not only provide peace of mind in monitoring your final product water, but it can also clue you in to when it's time to replace filter media. The Titanium One model features a…

    $24.99 Regular Price: $

    LifegardQuiet One Pumps have been used by reefers for years for silent reliable water movement. Typicallyemployed as a return pump, Lifegard pumps can be used for almost any application where water needs to be moved continuously. Features: Extremely quiet operation...so quiet you’ll swear…

    $75.59 Regular Price: $

    LifegardQuiet One Pumps have been used by reefers for years for silent reliable water movement. Typicallyemployed as a return pump, Lifegard pumps can be used for almost any application where water needs to be moved continuously. Features: Extremely quiet operation...so quiet you’ll swear…

    $79.99 Regular Price: $

    LifegardQuiet One Pumps have been used by reefers for years for silent reliable water movement. Typicallyemployed as a return pump, Lifegard pumps can be used for almost any application where water needs to be moved continuously. Features: Extremely quiet operation...so quiet you’ll swear…

    $79.99 Regular Price: $

    LifegardQuiet One Pumps have been used by reefers for years for silent reliable water movement. Typicallyemployed as a return pump, Lifegard pumps can be used for almost any application where water needs to be moved continuously. Features: Extremely quiet operation...so quiet you’ll swear…

    $138.59 Regular Price: $

    LifegardQuiet One Pumps have been used by reefers for years for silent reliable water movement. Typicallyemployed as a return pump, Lifegard pumps can be used for almost any application where water needs to be moved continuously. Features: Extremely quiet operation...so quiet you’ll swear…

    $145.49 Regular Price: $

    LifegardQuiet One Pumps have been used by reefers for years for silent reliable water movement. Typicallyemployed as a return pump, Lifegard pumps can be used for almost any application where water needs to be moved continuously. Features: Extremely quiet operation...so quiet you’ll swear…

    $14.99 Regular Price: $

    LifegardQuiet One Pumps have been used by reefers for years for silent reliable water movement. Typicallyemployed as a return pump, Lifegard pumps can be used for almost any application where water needs to be moved continuously. Extremely quiet operation...so quiet you’ll swear it’s not…

    $14.69 Regular Price: $

    LifegardQuiet One Pumps have been used by reefers for years for silent reliable water movement. Typicallyemployed as a return pump, Lifegard pumps can be used for almost any application where water needs to be moved continuously. Features: Extremely quiet operation...so quiet you’ll swear…

    $19.99 Regular Price: $

    LifegardQuiet One Pumps have been used by reefers for years for silent reliable water movement. Typicallyemployed as a return pump, Lifegard pumps can be used for almost any application where water needs to be moved continuously. Features: Extremely quiet operation...so quiet you’ll swear…

    $29.49 Regular Price: $

    Includes ONE A360X LED Mounting Bracket Welcome to the future of aquarium lighting! Combine your favorite LED Light module between proven T5 lights to create a stellar lighting system! Accepts one Ecotech, AI, or Kessil LED Light Module Includes LED Light Brackets Powder Coated Aluminum Frame…

    $255.98 Regular Price: $
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    Reduce stress and shock to your new tank inhabitants with the AccuDrip Acclimation Kit from Innovative Marine.Acclimating new fish and corals can be the difference between success and stress for your new purchase. Proper acclimation will slowly introduce your tanks water to help the fish acclimate…

    $9.99 Regular Price: $

    CLEAR FX PRO is the most advanced all-in-one filtration media available on the market.This cutting edge blended media is compatible with both fresh and saltwater aquariums. The proprietary blend combines a super carbon, hybrid phosphate resin and organic scavenger resin. CLEAR FX PRO works rapidly…

    $14.99 Regular Price: $
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    Clear Fx Reef is an advanced comprehensive filter media for reef aquariums and rapidly aids in improving the health, clarity, and stability of your reef aquarium. This specialized reef filtration media uses cutting edge technology that specifically targets and removes organics that nuisance algae…

    $14.99 Regular Price: $
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    The Fiji Cube AIO Drop-In Kits simplify the process of building an all-in-one aquarium with a pre-built sump box that fits perfectly in the back of your aquarium and includes divided sections for your filtration, heating, and water circulation equipment. Fiji Cube designed this AIO box to maximize…

    $114.99 Regular Price: $
    Out of Stock

    The Fiji Cube AIO Drop-In Kits simplify the process of building an all-in-one aquarium with a pre-built sump box that fits perfectly in the back of your aquarium and includes divided sections for your filtration, heating, and water circulation equipment. Fiji Cube designed this AIO box to maximize…

    $149.99 Regular Price: $

    Long-life Temperature Probe - replace your Temperature Probe, add one for another tank, or put one on your PM2/PM3 module for temperature compensated readings.

    $32.95 Regular Price: $

    Dispensing pump fits one gallon jug perfect for dispensing your 2 Part solution.

    $4.99 Regular Price: $

    10 clear, refillable cartridge modified for use with BRS Jumbo Reactors. Includes one clear cartridge and two foam disks (installed).

    $15.99 Regular Price: $

    Includes one AquaMaxx Replacement Filter Fleece Roll for theAF-RS170 Automatic Filter Roller. Specifications: Width: 3.5" Length: 82 ft Micron Rating: 50

    $16.14 Regular Price: $

    Measures ammonia levels from 0 to 6 ppm in fresh or saltwater in one easy step. Just dip & read!25 ct

    $15.79 Regular Price: $
    Out of Stock

    …the winter months? These knitted beanies are perfect for the cold winter months. Mr. Chili is embroidered on the front and the thick cable knitting makes them soft and flexible. Pick one up just for yourself or one for every member of the family! What's Included? 1x Mr. Chili Cable Knit Beanie

    $8.49 Regular Price: $12.99

    …Cable to either extend the connection between two Kessil 360 (A360N/360W) LED lights or one Kessil 360 (A360N/360W) LED light and a controller. Length: 6 Ft. (1800mm) without connectors Color: Black One End: 1/8" (3.5mm) stereo male phono plug Other End: 1/8" (3.5mm) stereo female phono jack…

    $20.00 Regular Price: $

    Why does BRS recommend this? The 3-way ball valve is probably one of our most favorite fittings. By swinging the handle from one side to another, you can either turn water flow off completely, or direct it from one direction to another. They work great for fresh and saltwater storage containers, and…

    $19.99 Regular Price: $

    Reagent refill for Red Sea Calcium Pro Test Kit. Enough reagent for 75 tests. Red Sea reagent refills make this line of test kits one of the most affordable high quality test kits available.

    $22.99 Regular Price: $

    Reagent refill for Red Sea Alkalinity Pro Test Kit. Enough reagent for 75 tests. Red Sea reagent refills make this line of test kits one of the most affordable high quality test kits available.

    $22.99 Regular Price: $