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3240 of 6597 Items
  • 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...

    Was: $74.99
    Now: $67.49
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  • 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...

    Was: $74.99
    Now: $67.49
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  • 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...

    Was: $74.99
    Now: $67.49
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  • 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...

    Was: $74.99
    Now: $67.49
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  • 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...

    Was: $74.99
    Now: $67.49
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  • 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...

    Was: $74.99
    Now: $67.49
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  • 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...

    Was: $74.99
    Now: $67.49
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  • 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...

    Was: $74.99
    Now: $67.49
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  • 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...

    Was: $74.99
    Now: $67.49
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  • 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...

    Was: $74.99
    Now: $67.49
    Sold Out - More on the way
  • 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,...

    Was: $74.99
    Now: $67.49
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  • 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...

    Was: $74.99
    Now: $67.49
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  • 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...

    Was: $74.99
    Now: $67.49
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  • Caribsea LifeRock Fraggerz - 10 Pack Caribsea LifeRock Fraggerz - 10 Pack Caribsea LifeRock Fraggerz - 10 Pack

    CaribSea

    Caribsea LifeRock Fraggerz - 10 Pack

    Caribsea LifeRock Fraggerz - 10 Pack / Approx. 10-11 lbs. These fist sized pieces of LifeRock each contain a single through hole perfectly sized for receiving frag plugs. Fraggerz are the easy way to isolate individual corals and prevent unwanted...

    Was: $79.27
    Now: $67.38
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  • EasyReefs Easymasstick, 150g EasyReefs Easymasstick, 150g

    EASY REEFS

    EasyReefs Easymasstick, 150g

    EasyReefs Easymasstick, 150g Premium All-Natural Stick-on Marine Fish Food Easymasstick is an all-natural, marine-based stick-on food formulated for omnivorous fish and invertebrates and made entirely from wild-harvested marine ingredients. There are no...

    $67.00
    Add to Cart
  • Aqua UV Replacement Bulb for UV Sterilizer, 8W

    Aqua Ultraviolet

    Aqua UV Replacement Bulb for UV Sterilizer, 8W

    Aqua UV Replacement Bulb for UV Sterilizer, 8W.Fits Aqua Ultraviolet 8 watt Classic sterilizers.Aqua UV Replacement Bulb for UV Sterilizer, 8W.Fits Aqua Ultraviolet 8 watt Classic sterilizers.Product code: 3315Item No. UV-AQ-A20008

    Was: $74.19
    Now: $66.77
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  • Marco Rock Natural Reef Saver Rock, 20 lbs. Marco Rock Natural Reef Saver Rock, 20 lbs.

    Marco Rocks

    Marco Rock Natural Reef Saver Rock, 20 lbs.

    Marco Rock Natural Reef Saver Rock, 20 lbs Our most popular rock, now offered in smaller softball sizes, perfect for DIY build projects.  The rock that put us on the map.  While it might appear to look like others it surely is not.  Our...

    Was: $77.79
    Now: $66.12
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  • IM AUQA Gadget - AUQAShield UV 9W - Desktop IM AUQA Gadget - AUQAShield UV 9W - Desktop IM AUQA Gadget - AUQAShield UV 9W - Desktop IM AUQA Gadget - AUQAShield UV 9W - Desktop IM AUQA Gadget - AUQAShield UV 9W - Desktop

    Innovative Marine

    IM AUQA Gadget - AUQAShield UV 9W - Desktop

    IM AUQA Gadget - AUQAShield UV 9W - Desktop DeskTop High Intensity 9 Watt UV-C Bulb Drop-In Installation (Overflow Column) Gravity Flow (No Pumps Required) Disposable UV Cartridge (Quartz Sleeve and Bulb) Quick Disconnect Mechanical Filter...

    $66.00
    Add to Cart
  • Lifegard Quiet One DC Pump 132 GPH - No Controller Lifegard Quiet One DC Pump 132 GPH - No Controller Lifegard Quiet One DC Pump 132 GPH - No Controller

    Lifegard

    Lifegard Quiet One DC Pump 132 GPH - No Controller

    Lifegard Quiet One DC Pump 132 GPH - No Controller Quiet One DC Pump 132 GPH with USB plug (No Controller) Part No. R440715 Model DC 132 Max Ht. Ft. 3.9 Watt 4 Voltage: DC 5V Suction 1/2” Hose ConnectionDischarge Strainer...

    $65.74
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  • Finnex FugeRay Planted Plus U16WM Finnex FugeRay Planted Plus U16WM Finnex FugeRay Planted Plus U16WM Finnex FugeRay Planted Plus U16WM

    Finnex

    Finnex FugeRay Planted Plus U16WM

    Finnex FugeRay Planted Plus U 16" 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 for...

    MSRP: $74.95
    $64.99
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  • AquaEl ULTRA Heater 100 Watt AquaEl ULTRA Heater 100 Watt

    AquaEl

    AquaEl ULTRA Heater 100 Watt

    AquaEl ULTRA Heater 100 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...

    $64.99
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  • Aquatop Internal Filter w/ UV 7W Aquatop Internal Filter w/ UV 7W Aquatop Internal Filter w/ UV 7W

    AQUATOP

    Aquatop Internal Filter w/ UV 7W

    Aquatop Internal Filter w/ UV 7W AQUATOP's IF-UV Series of Internal Filters with UV are easy to install and maintain. These innovative and flexible filters help to eliminate unsightly algae and control unwanted algae blooms with the integrated UV system...

    $64.99
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  • Finnex HMH 500 Watt Digital Heater Finnex HMH 500 Watt Digital Heater

    Finnex

    Finnex HMH 500 Watt Digital Heater

    Finnex HMH 500 Watt Digital Heater The HMH heater series uses an advanced digital processor that monitors and controls the water temperature in your aquarium. The heating controller receives temperature data from a sensor in the heater tube. The...

    $64.99
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  • Finnex HMS 500 Watt Digital Heater Finnex HMS 500 Watt Digital Heater

    Finnex

    Finnex HMS 500 Watt Digital Heater

    Finnex HMS 500 Watt Digital Heater Temperature Steady Low Variance TechnologyThe HMS heater series uses an advanced digital processor that monitors and controls thewater temperature in your aquarium. The heating controller receives temperature data...

    $64.99
    Add to Cart
  • Hikari Stress-X Water Conditioner 1 Gal.

    Hikari

    Hikari Stress-X Water Conditioner 1 Gal.

    Hikari Stress-X Water Conditioner 1 Gal. A Tried & True Formulation Breaks the chloramine bond and removes chlorine and free ammonia Detoxifies nitrite and heavy metals (including copper) Boosts alkalinity Replaces only lost or damaged...

    $64.99
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  • Sera Flore Active CO2 Reactor 500 - 66-160 Gal. Sera Flore Active CO2 Reactor 500 - 66-160 Gal.

    Sera

    Sera Flore Active CO2 Reactor 500 - 66-160 Gal.

    Sera Flore Active CO2 Reactor 500 - Small 66-160 Gal The new sera flore CO2 active reactors 500 and 1000 with twin rotor supersede the generation of static CO2 generators. The rotors, the upper one of which is designed as a lamella rotor,...

    $64.99
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  • Tropic Marin Pro Reef Salt, 80 gal.

    Tropic Marin

    Tropic Marin Pro Reef Salt, 80 gal.

    Tropic Marin Pro Reef Salt, 80 gal. Made in Germany Help make sure your reef aquarium environment is as pure and natural as possible with Tropic Marin Pro Reef Aquarium Sea Salt. This premium-quality, completely biodegradable sea salt is made from...

    $64.99
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  • 24" Marlin Forceps Stainless Steel

    AquaCave

    24" Marlin Forceps Stainless Steel

    This 24" long Marllin new cleaning tool is designed to clean deep tanks...This 24" long Marllin new cleaning tool is designed to clean deep tanks. Marllin is a great tool to reach hard to reach areas in the tank. Marlin not only helps you clean tank, it...

    $64.95
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  • Eheim Aquarium Air Pump 200 Eheim Aquarium Air Pump 200 Eheim Aquarium Air Pump 200

    Eheim

    Eheim Aquarium Air Pump 200

    Eheim Aquarium Air Pump 200 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...

    $64.45
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  • Seachem Purigen Filter Media, 1,000 ml. Seachem Purigen Filter Media, 1,000 ml.

    Seachem

    Seachem Purigen Filter Media, 1,000 ml.

    Seachem Purigen Filter Media, 1,000 ml.Purigen™ is a premium synthetic adsorbent that is unlike any other filtration product. It is not a mixture of ion exchangers or adsorbents, but a unique macro-porous synthetic polymer that removes soluble and...

    $64.31
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  • Replacement Cartridge for Sedna Filter S1000-50-AQ Replacement Cartridge for Sedna Filter S1000-50-AQ

    Pentair Aquatics

    Replacement Cartridge for Sedna Filter S1000-50-AQ

    Replacement Cartridge for Sedna Filter S1000-50-AQ These 20 micron pleated cartridges are available in five sizes to fit the five sizes of Sedna Filters. Choose the right size filter cartridge to match your Sedna Filter. S1000-50C-AQ:...

    $64.27
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  • Eheim ThermoControl Heater E100 watt Eheim ThermoControl Heater E100 watt Eheim ThermoControl Heater E100 watt

    Eheim

    Eheim ThermoControl Heater E100 watt

    Eheim ThermoControl Heater E100 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...

    $64.25
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  • Eheim ThermoControl Heater E125 watt Eheim ThermoControl Heater E125 watt Eheim ThermoControl Heater E125 watt

    Eheim

    Eheim ThermoControl Heater E125 watt

    Eheim ThermoControl Heater E125 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...

    $64.25
    Sold Out - More on the way
  • Eheim ThermoControl Heater E150 watt Eheim ThermoControl Heater E150 watt Eheim ThermoControl Heater E150 watt

    Eheim

    Eheim ThermoControl Heater E150 watt

    Eheim ThermoControl Heater E150 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...

    $64.25
    Add to Cart
  • Bubble Magus Internal Hang On Reactor MF70-INT Bubble Magus Internal Hang On Reactor MF70-INT Bubble Magus Internal Hang On Reactor MF70-INT Bubble Magus Internal Hang On Reactor MF70-INT Bubble Magus Internal Hang On Reactor MF70-INT

    Bubble Magus

    Bubble Magus Internal Hang On Reactor MF70-INT

    Bubble Magus Internal Hang On Reactor MF70-INT MF-70 INT Footprint: 5.91" x 4.53" ( Include Bracket ) Width: 3.75″ Overall Height: 15.36" Pump: WP60 120w/60hz 12w 600L/H Media Loading Capacity: up to 500ml Inlet / Outlet: 5/8″ 90...

    Was: $79.99
    Now: $63.99
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  • Bubble Magus Mini 70 Media Reactor Bubble Magus Mini 70 Media Reactor Bubble Magus Mini 70 Media Reactor Bubble Magus Mini 70 Media Reactor

    Bubble Magus

    Bubble Magus Mini 70 Media Reactor

    Bubble Magus Mini 70 Media Reactor Pump : WP600  Power  : 220V/110V ,8.5W Internal volume : 250ML Two version for use ,with sponge or without sponge Footprint: 4"x4"x16.75"  

    Was: $79.99
    Now: $63.99
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  • Bubble Magus TS2 Slave Single Dosing Pump Bubble Magus TS2 Slave Single Dosing Pump Bubble Magus TS2 Slave Single Dosing Pump

    Bubble Magus

    Bubble Magus TS2 Slave Single Dosing Pump

     Bubble Magus TS2 Slave Single Dosing Pump Bubble Magus Single Dosing Pump TS2 Add On, ** THIS UNIT ONLY WORK WITH TS1 ** Dimensions: 3.5"L x 4.5"W x 2.75"H   Unit will dose from 1ml up to 999ml per day. Unit already pre-programmed below. 1-11ml...

    MSRP: $79.99
    Was: $79.99
    Now: $63.99
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  • Finnex HMK-200 Titanium Aquarium Heater - 200 watt Finnex HMK-200 Titanium Aquarium Heater - 200 watt Finnex HMK-200 Titanium Aquarium Heater - 200 watt

    Finnex

    Finnex HMK-200 Titanium Aquarium Heater - 200 watt

    Finnex HMK Titanium Aquarium Heater - 200 watt The Finnex HMK Titanium Aquarium Heater Series Introducing the Finnex HMK Titanium Aquarium Heater - Elevate Your Aquatic World to New Heights of Precision and Safety!   Key Features: 1. Titanium...

    $63.99
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  • Oase BioPlus 50 Internal Filter Oase BioPlus 50 Internal Filter Oase BioPlus 50 Internal Filter Oase BioPlus 50 Internal Filter Oase BioPlus 50 Internal Filter

    OASE

    Oase BioPlus 50 Internal Filter

    Oase BioPlus 50 Internal Filter   Integrated diffuser with three adjustable water flow settings – Allows for uniform surface movement, prevents formation of biofilm, and provides added aeration Simple cleaning and maintenance – Remove individual...

    $63.99
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  • 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...

    Was: $74.99
    Now: $63.74
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  • IceCap 400W Titanium Heater Element IceCap 400W Titanium Heater Element IceCap 400W Titanium Heater Element

    IceCap

    IceCap 400W Titanium Heater Element

    IceCap 400W Titanium Heater Element Titanium Aquarium Heater Ensure precise temperature control for your aquarium with our rapid-heating titanium heater element. Bid farewell to temperature fluctuations that can harm your fish and corals, as this...

    $63.51
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  • Skimmer Stand 1, Footprint: 11"x7.5" Skimmer Stand 1, Footprint: 11"x7.5"

    CoralVue

    Skimmer Stand 1, Footprint: 11"x7.5"

    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...

    $63.51
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  • Chemi-Pure ELITE 46.96 oz. by Boyd Enterprises

    Boyd Enterprises

    Chemi-Pure ELITE 46.96 oz. by Boyd Enterprises

    Chemi Pure ELITE 46.96 oz. by Boyd Enterprises. The Boyd Chemipure Elite has the filtration capability of the Boyd Chemipure but it's loaded with ferric oxide to help quickly get rid of phosphates and silicates. Boyd Chemipure Elite is an...

    $63.44
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  • Aqua UV Replacement SLEEVE for UV Sterilizer, 15W

    Aqua Ultraviolet

    Aqua UV Replacement SLEEVE for UV Sterilizer, 15W

    Aqua UV Replacement SLEEVE for UV Sterilizer, 15WFits Aqua Ultraviolet 15 watt Classic & Stainless Steel sterilizers.Aqua UV Replacement SLEEVE for UV Sterilizer, 15WFits Aqua Ultraviolet 15 watt Classic & Stainless Steel sterilizers...

    Was: $70.39
    Now: $63.35
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  • Aqua UV Replacement SLEEVE for UV Sterilizer, 8W Aqua UV Replacement SLEEVE for UV Sterilizer, 8W

    Aqua Ultraviolet

    Aqua UV Replacement SLEEVE for UV Sterilizer, 8W

    Aqua UV Replacement SLEEVE for UV Sterilizer, 8WFits Aqua Ultraviolet 8 watt Classic Steel sterilizers.Aqua UV Replacement SLEEVE for UV Sterilizer, 8WFits Aqua Ultraviolet 8 watt Classic Steel sterilizers.Product code: 3323Item No. ...

    Was: $70.39
    Now: $63.35
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3240 of 6597 Items

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