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2940 of 6478 Items
  • Seachem PhosGuard, 4 Liters Seachem PhosGuard, 4 Liters

    Seachem

    Seachem PhosGuard, 4 Liters

    Seachem PhosGuard 4 Liters. PhosGuard is a high capacity and high efficiency filtration product for removing phosphates and silicates from marine or fresh water aquaria. Unlike competing products, PhosGuard is bead-shaped for optimum flow...

    $76.48
    Add to Cart
  • Seachem Reef Complete, 4 liter

    Seachem

    Seachem Reef Complete, 4 liter

    Seachem Reef Complete, 4 liter Liquid ionic calcium source Most concentrated calcium supplement on the market (160,000 mg/L) 100% soluble. Be wary of products that are milky white or need to be shaken Reef Complete® is a concentrated (160,000...

    $76.48
    Add to Cart
  • Seachem Impulse 400 Pump Seachem Impulse 400 Pump Seachem Impulse 400 Pump

    Seachem

    Seachem Impulse 400 Pump

    Seachem Impulse 400 Pump The Impulse™ is a quiet, energy-efficient, multi-function pump. It is ideal for fresh and saltwater aquariums, protein skimmers, indoor fountains, water-cooling and all similar submersible and inline applications which require...

    $76.39
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  • Aqua UV Replacement SLEEVE for UV Sterilizer, 25W Aqua UV Replacement SLEEVE for UV Sterilizer, 25W

    Aqua Ultraviolet

    Aqua UV Replacement SLEEVE for UV Sterilizer, 25W

    Aqua UV Replacement SLEEVE for UV Sterilizer, 25WFits Aqua Ultraviolet 25 watt Classic, Twist, & Stainless Steel sterilizers.Aqua UV Replacement SLEEVE for UV Sterilizer, 25WFits Aqua Ultraviolet 25 watt Classic, Twist, & Stainless...

    $76.18
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  • Aqua UV Replacement SLEEVE for UV Sterilizer, 57W Aqua UV Replacement SLEEVE for UV Sterilizer, 57W

    Aqua Ultraviolet

    Aqua UV Replacement SLEEVE for UV Sterilizer, 57W

    Aqua UV Replacement SLEEVE for UV Sterilizer, 57WFits Aqua Ultraviolet 57 watt Classic, Twist, & Stainless Steel sterilizers.Aqua UV Replacement SLEEVE for UV Sterilizer, 57WFits Aqua Ultraviolet 57 watt Classic, Twist, & Stainless...

    $76.18
    Add to Cart
  • Finnex FugeRay Planted Plus U24WM Finnex FugeRay Planted Plus U24WM Finnex FugeRay Planted Plus U24WM Finnex FugeRay Planted Plus U24WM

    Finnex

    Finnex FugeRay Planted Plus U24WM

     Finnex FugeRay Planted Plus U 24" This Contemporary Ultra Slim designed LED fixture features a series of LEDs to promote Marine Refugium & Freshwater growth.  Unlike the Ray II which incorporates multiple High Output LEDS pinched together...

    MSRP: $99.95
    $75.99
    Add to Cart
  • Tidal 75 Aquarium Power Filter Tidal 75 Aquarium Power Filter Tidal 75 Aquarium Power Filter Tidal 75 Aquarium Power Filter Tidal 75 Aquarium Power Filter

    Seachem

    Tidal 75 Aquarium Power Filter

    Tidal 75 Aquarium Power Filter TIDAL hang on filters are designed from the ground up to provide the aquarium with high-quality, easy to implement, comprehensive filtration. While having a system plumbed with an overflow and sump certainly has its...

    $75.76
    Add to Cart
  • Oase BioStyle 30 Hang-On Filter w/ Built-In Heater - Grey Oase BioStyle 30 Hang-On Filter w/ Built-In Heater - Grey

    OASE

    Oase BioStyle 30 Hang-On Filter w/ Built-In Heater - Grey

    Oase BioStyle Thermo 30 Hang-On Filter w/ Built-In Heater - Grey Compact, sleek power filter – Ideal for fresh or marine aquariums up to 30 gallons Multi-stage filtration – Includes two complete cartridges that each house a 45 ppi foam for mechanical...

    Was: $88.99
    Now: $75.64
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  • Two Little Fishes AcroPower, 1 Gal.

    Two Little Fishies

    Two Little Fishes AcroPower, 1 Gal.

    Two Little Fishes AcroPower, 1 Gal. Use AcroPower from Two Little Fishies to provide amino acids to your corals to help build their skeletal structure. Amino acids can easily deplete in reef aquarium systems through protein skimmers and ultra low...

    $75.49
    Add to Cart
  • HYDROS 1" Flow Sensor HYDROS 1" Flow Sensor HYDROS 1" Flow Sensor HYDROS 1" Flow Sensor

    HYDROS

    HYDROS 1" Flow Sensor

    HYDROS 1" Flow Sensor Flow Range: 50-1500gphWire Length: 8ft Includes schedule 80 PVC Unions Monitor Passing Water Flow The HYDROS Flow Sensors are easy-to-install flow meters that communicate to the HYDROS app the flow rate of water passing through...

    $75.06
    Add to Cart
  • Reef Octopus Delay Timer

    Reef Octopus

    Reef Octopus Delay Timer

    Reef Octopus Delay Timer This timer is designed to be used with skimmers,it will make skimmers start to work after the power is reconnected for 5 minutes.When the Red LED is on, No power is on the timerWhen the Green LED is on, Power is available on the...

    $75.06
    Add to Cart
  • Skimmer Stand 3, Footprint: 17.7"x11" Skimmer Stand 3, Footprint: 17.7"x11"

    CoralVue

    Skimmer Stand 3, Footprint: 17.7"x11"

    The Reef Octopus skimmer Stand makes it easy to raise protein skimmers to ideal water levels. Provides an extremely solid platform for the skimmer to rest on. Adjust to 3 heights and available in three models.Adjustable Solid Platform to raise protein...

    $75.06
    Add to Cart
  • Tropic Marin All-for-Reef Power Mix 1,600gr. Tropic Marin All-for-Reef Power Mix 1,600gr.

    Tropic Marin

    Tropic Marin All-for-Reef Power Mix 1,600gr.

    Tropic Marin All-for-Reef Power Mix 1,600gr. Tropic Marin All-For-Reef revolutionized aquarium additive dosing with their original pre-mixed solution, and now this same formula is available in an ultra-concentrated crystalline form that you can easily...

    $75.04
    Add to Cart
  • Hanna HI700 Ammonia Checker - Low range - Freshwater Hanna HI700 Ammonia Checker - Low range - Freshwater Hanna HI700 Ammonia Checker - Low range - Freshwater Hanna HI700 Ammonia Checker - Low range - Freshwater

    Hanna Instruments

    Hanna HI700 Ammonia Checker - Low range - Freshwater

    Hanna Ammonia Checker, Low range HI700 The all new HI 700 Checker Ammonia LR for fresh water can be used in place of HI 3824 or HI 38049 fresh water test kits. The  Checker®HC is a simple, accurate, and cost effective way to measure low ranges...

    $74.99
    Add to Cart
  • Hanna HI702 High Range Copper Checker Hanna HI702 High Range Copper Checker Hanna HI702 High Range Copper Checker Hanna HI702 High Range Copper Checker

    Hanna Instruments

    Hanna HI702 High Range Copper Checker

    Hanna High Range Copper Checker - HI702 The HI702 Checker®HC (Handheld Colorimeter) is a simple, accurate, and cost effective way to measure high ranges of copper. Designed as a more accurate alternative to chemical test kits, the HI702 provides...

    $74.99
    Add to Cart
  • Hanna HI713 Phosphate Checker Hanna HI713 Phosphate Checker Hanna HI713 Phosphate Checker

    Hanna Instruments

    Hanna HI713 Phosphate Checker

    Hanna Phosphate Checker HI713 The HANNA HI 713 CheckerHC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give only a few resolution points while professional...

    $74.99
    Add to Cart
  • Hanna HI721 Iron Checker Hanna HI721 Iron Checker Hanna HI721 Iron Checker

    Hanna Instruments

    Hanna HI721 Iron Checker

    Hanna Iron Checker HI721 For use in fresh and saltwater The new HI 721 Checker HC portable handheld colorimeter features a resolution of 0.01 ppm (500 points) and 0.04 ppm 2% of reading accuracy. The HI 721 CheckerHC uses an adaptation of Standard...

    $74.99
    Add to Cart
  • Hanna Phosphorous Checker, Ultra Low Range HI736 Hanna Phosphorous Checker, Ultra Low Range HI736 Hanna Phosphorous Checker, Ultra Low Range HI736

    Hanna Instruments

    Hanna HI736 Phosphorous Checker, Ultra Low Range

    Hanna Phosphorous Checker, Ultra Low Range HI736 The HANNA HI 736 Checker HC bridges the gap between simple chemical test kits and professional instrumentation. The HANNA HI?736 is both accurate and affordable. The HI 736 CheckerHC portable handheld...

    $74.99
    Add to Cart
  • Hanna HI764 Nitrite Checker, Ultra Low Range Hanna HI764 Nitrite Checker, Ultra Low Range Hanna HI764 Nitrite Checker, Ultra Low Range Hanna HI764 Nitrite Checker, Ultra Low Range

    Hanna Instruments

    Hanna HI764 Nitrite Checker, Ultra Low Range

    Hanna Nitrite Checker, Ultra Low Range HI764 The HANNA HI 764 Checker HC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate while professional instrumentation can cost hundreds of...

    $74.99
    Add to Cart
  • Hanna HI772 Marine Alkalinity dKH Checker Hanna HI772 Marine Alkalinity dKH Checker Hanna HI772 Marine Alkalinity dKH Checker

    Hanna Instruments

    Hanna HI772 Marine Alkalinity dKH Checker

    Hanna Marine Alkalinity dKH Checker HI772 Features at-a-glance: Easier to use and more accurate than chemical test kits Dedicated to a single parameter Small size, big convenience Ideal for: Aquaculture & Aquariums, Water Quality  HI772...

    $74.99
    Add to Cart
  • Hanna HI774 Ultra Low Range Phosphate Checker - Marine Hanna HI774 Ultra Low Range Phosphate Checker - Marine

    Hanna Instruments

    Hanna HI774 Ultra Low Range Phosphate Checker - Marine

    Hanna HI774 Ultra Low Range Phosphate Checker - Marine Our HI774 Ultra Low Range Phosphate Checker will be essentially the same specifications as the HI736 Ultra Low Range Phosphorus Checker however it will not require a conversion but read directly in...

    $74.99
    Add to Cart
  • Hanna HI780 Marine pH Checker Hanna HI780 Marine pH Checker Hanna HI780 Marine pH Checker

    Hanna Instruments

    Hanna HI780 Marine pH Checker

     Hanna HI780 Marine pH Checker Get accurate water testing results with the HI780 Marine pH Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This pH tester's compact design fits in your pocket or stores...

    $74.99
    Add to Cart
  • AquaEl ULTRA Heater 150 Watt AquaEl ULTRA Heater 150 Watt

    AquaEl

    AquaEl ULTRA Heater 150 Watt

    AquaEl ULTRA Heater 150 Watt The heater is easy to control using the ONE-TOUCH system that employs a single button surrounded by a ring of LEDs indicating the current and set temperatures. Temperature Regulation Overheat Protection Fully...

    $74.99
    Add to Cart
  • DrTim's Aquatics FRESHWATER One & Only 16oz DrTim's Aquatics FRESHWATER One & Only 16oz

    Dr. Tim's Aquatics

    DrTim's Aquatics FRESHWATER One & Only 16oz

    DrTim's Aquatics FRESHWATER One & Only 16oz Eliminates new tank syndrome Instantly creates a biofilter Removes toxic ammonia and nitrite, naturally No sulfur or other offensive odors No wait needed 100% natural Good for 6 months at room...

    $74.99
    Add to Cart
  • Fritz Pro Aquatics Net Care 1 gallon Fritz Pro Aquatics Net Care 1 gallon

    Fritz

    Fritz Pro Aquatics Net Care 1 gallon

    Fritz Pro Aquatics Net Care 1 gallon Fritz Pro Aquatics Net Care fish net dip helps prevent contamination between tanks or ponds while keeping the net fabric soft and moist. Directions & Dosage Use 5 mL per 1 US gallon (3.78 L) Fill a container...

    $74.99
    Add to Cart
  • Hanna HI718 Iodine Checker Hanna HI718 Iodine Checker Hanna HI718 Iodine Checker

    Hanna Instruments

    Hanna HI718 Iodine Checker

    Hanna Iodine Checker HI718 ***FRESHWATER ONLY*** Hanna Iodine Checker HI718 is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the instrument, press the button and read...

    $74.99
    Add to Cart
  • Hanna HI758 Marine Calcium Checker Hanna HI758 Marine Calcium Checker Hanna HI758 Marine Calcium Checker Hanna HI758 Marine Calcium Checker

    Hanna Instruments

    Hanna HI758 Marine Calcium Checker

    Hanna Marine Calcium Checker HI758 Calcium presence in water supplies results from passage over deposits of limestone, dolomite, gypsum and gypsiferous shale. Its concentration may extend from 0 to several hundred milligrams per liter,depending on its...

    $74.99
    Add to Cart
  • Hanna HI781 Marine Nitrate Low Range Checker Hanna HI781 Marine Nitrate Low Range Checker Hanna HI781 Marine Nitrate Low Range Checker

    Hanna Instruments

    Hanna HI781 Marine Nitrate Low Range Checker

    Hanna HI781 Marine Nitrate Low Range Checker Get highly accurate results with the HI781 Marine Nitrate Low Range Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This nitrate tester's compact design...

    $74.99
    Add to Cart
  • Hanna HI782 Marine High Range Nitrate Checker Hanna HI782 Marine High Range Nitrate Checker Hanna HI782 Marine High Range Nitrate Checker

    Hanna Instruments

    Hanna HI782 Marine High Range Nitrate Checker

    Hanna HI782 Marine High Range Nitrate Checker The HI782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications. With a digital readout,...

    $74.99
    Add to Cart
  • Hanna HI783 Marine Magnesium Checker Hanna HI783 Marine Magnesium Checker Hanna HI783 Marine Magnesium Checker

    Hanna Instruments

    Hanna HI783 Marine Magnesium Checker

    Hanna HI783 Marine Magnesium Checker Our Marine Magnesium Checker® HC (HI783) is designed to accurately and quickly determine the magnesium level in marine (saltwater) samples. The digital readout makes measurements effortless. Range: 1,000 to 1,800...

    $74.99
    Add to Cart
  • Hanna HI784 Marine Ammonia Checker Hanna HI784 Marine Ammonia Checker Hanna HI784 Marine Ammonia Checker

    Hanna Instruments

    Hanna HI784 Marine Ammonia Checker

    Hanna HI784 Marine Ammonia Checker The HI784 Marine Ammonia Checker HC is a handheld colorimeter that uses the Beer-Lambert principle to determine the concentration of ammonia colorimetrically. The HI784 is designed specifically to measure ammonia...

    $74.99
    Add to Cart
  • New Life Spectrum Marine Formula, 1mm, 2,200 gr. New Life Spectrum Marine Formula, 1mm, 2,200 gr.

    New Life Spectrum

    New Life Spectrum Marine Formula, 1mm, 2,200 gr.

    New Life Spectrum Marine Formula, 1mm, 2,200 gr. New Life Spectrum Premium Fish Food is simply the best aquarium diet on the market.New Life Spectrum not only increases the color and vitality of both freshwater and marine fish, it provides essential...

    $74.99
    Add to Cart
  • New Life Spectrum Naturox AlgaeMax Wafers 2200g

    New Life Spectrum

    New Life Spectrum Naturox AlgaeMax Wafers 2200g

    New Life Spectrum Naturox AlgaeMax Wafers 2200g The 2.2 kg New Life Spectrum Algaemax wafers are a fantastic daily nutrient for herbivorous fish species in both freshwater and saltwater environments. This mixture is perfect for inhabitants that need a...

    $74.99
    Add to Cart
  • PolypLab ReFuel 500 ml. PolypLab ReFuel 500 ml.

    PolypLab

    PolypLab ReFuel 500 ml.

    PolypLab ReFuel 500 ml. Refuel is a unique fusion of organic carbon sources enriched with amino acids. It is a safe and highly effective carbon-based bacterial food source that will steadily improve water quality. The process is very gentle, and will...

    $74.99
    Add to Cart
  • Eshopps Alpha Frag Rack, Giga Eshopps Alpha Frag Rack, Giga

    Eshopps

    Eshopps Alpha Frag Rack, Giga

    Eshopps Alpha Frag Rack, Giga Specifications: Dimensions - 13" x 2.75" Plug Capacity - 24 Magnets - 2  Eshopps Alpha Frag Rack, GigaProduct code: 8784Item No. AC-ES-54691

    $74.98
    Add to Cart
  • Eheim Aquarium Air Pump 400 Eheim Aquarium Air Pump 400

    Eheim

    Eheim Aquarium Air Pump 400

    Eheim Aquarium Air Pump 400 There are three models with a pump outlet from 100, 200 (2 x 100) and 400 (2 x 200) l/h, on which the smallest model has one and the two larger ones both have two individually adjustable air outlets. And they come equipped...

    $74.95
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  • Brightwell Aquatics NeoMag, 5.4 kg. / 11.9 lbs.

    Brightwell Aquatics

    Brightwell Aquatics NeoMag, 5.4 kg. / 11.9 lbs.

    Brightwell Aquatics NeoMag, 5.4 kg. / 11.9 lbs. * High-purity, magnesium-rich mineral DOLOMITE that may be employed in traditional calcium reactors, or even blended in to pre-existing aquarium substratum, to gradually increase and maintain the magnesium...

    $74.95
    Add to Cart
  • Simplicity Modular Dosing Container, 5 Liters Simplicity Modular Dosing Container, 5 Liters Simplicity Modular Dosing Container, 5 Liters Simplicity Modular Dosing Container, 5 Liters Simplicity Modular Dosing Container, 5 Liters

    Simplicity

    Simplicity Modular Dosing Container, 5 Liters

    Simplicity Modular Dosing Container, 5 Liters Modular design with built-in connections for easy expansion 5L high-capacity compartment Easy-to-read graduations, oz/ml The tight-fitting lid stays in place without creating a vacuum Durable hose...

    $74.95
    Add to Cart
  • Eheim ThermoControl Heater E200 watt Eheim ThermoControl Heater E200 watt Eheim ThermoControl Heater E200 watt

    Eheim

    Eheim ThermoControl Heater E200 watt

    Eheim ThermoControl Heater E200 watt With the EHEIM thermocontrol-e heating element your fish get the right temperature even more precisely - in every aquarium. The obvious ideas are often the best. This also applies to the aquarium heating element...

    $74.80
    Add to Cart
  • Eheim ThermoControl Heater E250 watt Eheim ThermoControl Heater E250 watt Eheim ThermoControl Heater E250 watt

    Eheim

    Eheim ThermoControl Heater E250 watt

    Eheim ThermoControl Heater E250 watt With the EHEIM thermocontrol-e heating element your fish get the right temperature even more precisely - in every aquarium. The obvious ideas are often the best. This also applies to the aquarium heating element...

    $74.80
    Add to Cart
  • Eheim ThermoControl Heater E300 watt Eheim ThermoControl Heater E300 watt Eheim ThermoControl Heater E300 watt

    Eheim

    Eheim ThermoControl Heater E300 watt

    Eheim ThermoControl Heater E300 watt With the EHEIM thermocontrol-e heating element your fish get the right temperature even more precisely - in every aquarium. The obvious ideas are often the best. This also applies to the aquarium heating element...

    $74.80
    Add to Cart
  • Seachem Reef Builder 4 kg. Seachem Reef Builder 4 kg.

    Seachem

    Seachem Reef Builder 4 kg.

    Seachem Reef Builder 4 kg. Reef Builder ™ raises carbonate alkalinity without immediately impacting on pH. With long term use there will be a tendency to stabilize at pH 8.3. Carbonates and calcium are essential to all coral growth. If either becomes...

    $74.71
    Add to Cart
  • Lifegard Quiet One DC Pump 185 GPH - No Controller Lifegard Quiet One DC Pump 185 GPH - No Controller Lifegard Quiet One DC Pump 185 GPH - No Controller

    Lifegard

    Lifegard Quiet One DC Pump 185 GPH - No Controller

    Lifegard Quiet One DC Pump 185 GPH - No Controller   Quiet One DC Pump 185 GPH with plug (No Controller) Standard Plug Part No. R440716 Model DC 185 GPH 185 Max Ht. Ft. 6.6 Watt 9 Voltage: DC 12V Suction 1/2” Hose ConnectionDischarge Strainer...

    $74.71
    Add to Cart
2940 of 6478 Items

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