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3180 of 6492 Items
  • 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...

    Was: $74.99
    Now: $63.74
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  • 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...

    Was: $74.99
    Now: $63.74
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  • 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: $63.74
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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: $63.74
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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: $63.74
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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: $63.74
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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: $63.74
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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: $63.74
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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: $63.74
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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: $63.74
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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: $63.74
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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: $63.74
    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: $63.74
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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: $63.74
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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: $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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  • Finnex StingRAY 2 - 30" LED Aquarium Light - Silver Finnex StingRAY 2 - 30" LED Aquarium Light - Silver Finnex StingRAY 2 - 30" LED Aquarium Light - Silver Finnex StingRAY 2 - 30" LED Aquarium Light - Silver

    Finnex

    Finnex StingRAY 2 - 30" LED Aquarium Light - Silver

    Finnex StingRAY 2 - 30" LED Aquarium Light - Silver The Finnex Stingray 2 Aquarium LED +Moonlights The Stingray 2 LED series features such a slim hood that it is nearly unseen atop an aquarium. The Stingray 2 offers nearly double the amount of LEDs of...

    $63.20
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  • Pentair Acrylic Scratch Removal Kit Pentair Acrylic Scratch Removal Kit

    Pentair Aquatics

    Pentair Acrylic Scratch Removal Kit

    Pentair Acrylic Scratch Removal Kit * Removes scratches from acrylic Aquariums.* Crystal pad, the sanding material in this kit, has been used to polish plastic surfaces for over 20 years in the aircraft industry. The abrasive crystals are cushioned...

    $62.48
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  • AquaEl ULTRA Heater 75 Watt AquaEl ULTRA Heater 75 Watt

    AquaEl

    AquaEl ULTRA Heater 75 Watt

    AquaEl ULTRA Heater 75 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...

    $61.99
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  • Hagen Fluval E 100 Watt Electronic Aquarium Heater Hagen Fluval E 100 Watt Electronic Aquarium Heater

    Fluval

    Hagen Fluval E 100 Watt Electronic Aquarium Heater

    Hagen Fluval E 100 Watt Electronic Aquarium Heater E Series LCD Aquarium Heaters from Fluval are the most advanced submersible aquarium heaters on the market today. Computer-controlled precision and fish-safe design contributes more than ever to the...

    MSRP: $65.99
    $61.99
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  • Hagen Fluval E 300 Watt Electronic Aquarium Heater Hagen Fluval E 300 Watt Electronic Aquarium Heater

    Fluval

    Hagen Fluval E 300 Watt Electronic Aquarium Heater

    Hagen Fluval E 300 Watt Electronic Aquarium Heater E Series LCD Aquarium Heaters from Fluval are the most advanced submersible aquarium heaters on the market today. Computer-controlled precision and fish-safe design contributes more than ever to the...

    MSRP: $68.99
    $61.99
    Add to Cart
  • Oase FishGuard Automatic Feeder Oase FishGuard Automatic Feeder Oase FishGuard Automatic Feeder Oase FishGuard Automatic Feeder Oase FishGuard Automatic Feeder

    OASE

    Oase FishGuard Automatic Feeder

    Oase FishGuard Automatic Feeder Ideal for use on aquariums without a ledge for FishGuard placement or preferred placement. Can easily be added for long term use. Also, it can be added or used for short term use as often as needed. The Fish Guard is an...

    $61.99
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  • Finnex HMK-150 Titanium Aquarium Heater - 150 watt Finnex HMK-150 Titanium Aquarium Heater - 150 watt Finnex HMK-150 Titanium Aquarium Heater - 150 watt

    Finnex

    Finnex HMK-150 Titanium Aquarium Heater - 150 watt

    Finnex HMK Titanium Aquarium Heater - 150 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...

    $60.99
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  • Hagen Fluval U2 Underwater Filter Hagen Fluval U2 Underwater Filter

    Fluval

    Hagen Fluval U2 Underwater Filter

    Hagen Fluval U2 Underwater Filter The Fluval “U” Internal Filters are ideal for use as a permanent filter system, for supplemental filtration, or as a "quick-filter" to polish water. The U1 offers single stage filtration, while the U2/U3/U4...

    $60.99
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  • HYDROS Dual Inline TDS Sensor HYDROS Dual Inline TDS Sensor HYDROS Dual Inline TDS Sensor

    HYDROS

    HYDROS Dual Inline TDS Sensor

    HYDROS Dual Inline TDS Sensor Monitor your RO/DI units' water quality with HYDROS Dual Inline TDS Sensor. Plugs directly into any HYDROS Control with an available Sense Port and does not require any additional power source.    Dual Inline TDS...

    $60.63
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  • Tidal 55 Aquarium Power Filter Tidal 55 Aquarium Power Filter Tidal 55 Aquarium Power Filter Tidal 55 Aquarium Power Filter Tidal 55 Aquarium Power Filter

    Seachem

    Tidal 55 Aquarium Power Filter

    Tidal 55 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...

    $60.16
    Add to Cart
  • Reef Octopus 4" Smart Fan Reef Octopus 4" Smart Fan Reef Octopus 4" Smart Fan Reef Octopus 4" Smart Fan Reef Octopus 4" Smart Fan

    Reef Octopus

    Reef Octopus 4" Smart Fan

    Reef Octopus 3" Smart Fan The Reef Octopus USB Smart Fan will automatically increase or decrease the fan speed depending on the ambient temperature of the area surrounding the thermostat. Makes and excellent choice for aquarium canopies, enclosed stands...

    $60.05
    Sold Out - More on the way
  • IM AUQA Gadget - DIY 36" x 24" SafeScreen Mesh Lid Kit IM AUQA Gadget - DIY 36" x 24" SafeScreen Mesh Lid Kit IM AUQA Gadget - DIY 36" x 24" SafeScreen Mesh Lid Kit IM AUQA Gadget - DIY 36" x 24" SafeScreen Mesh Lid Kit IM AUQA Gadget - DIY 36" x 24" SafeScreen Mesh Lid Kit

    Innovative Marine

    IM AUQA Gadget - DIY 36" x 24" SafeScreen Mesh Lid Kit

    IM AUQA Gadget - DIY 36" x 24" SafeScreen Mesh Lid Kit Features: Prevents livestock from leaving your tank Powder coated for extra protection Extra thick lightweight aluminum Molded "lipped" rails allow screen to sit neatly on the inside rim of your...

    $60.00
    Add to Cart
  • IM AUQA Gadget - NUVO 25 Cube - Screen Lid - Preassembled IM AUQA Gadget - NUVO 25 Cube - Screen Lid - Preassembled IM AUQA Gadget - NUVO 25 Cube - Screen Lid - Preassembled IM AUQA Gadget - NUVO 25 Cube - Screen Lid - Preassembled IM AUQA Gadget - NUVO 25 Cube - Screen Lid - Preassembled

    Innovative Marine

    IM AUQA Gadget - NUVO 25 Cube - Screen Lid - Preassembled

    IM AUQA Gadget - NUVO 25 Cube - Screen Lid - Preassembled Features: Prevents livestock from leaving your tank Powder coated for extra protection Extra thick lightweight aluminum Molded "lipped" rails allow screen to sit neatly on the inside rim of your...

    $60.00
    Add to Cart
  • AlgaeFree Piranha Float Plus Magnet Algae Cleaner AlgaeFree Piranha Float Plus Magnet Algae Cleaner AlgaeFree Piranha Float Plus Magnet Algae Cleaner AlgaeFree Piranha Float Plus Magnet Algae Cleaner

    AlgaeFree

    AlgaeFree Piranha Float Plus Magnet Algae Cleaner

    Algae Free Piranha Float Plus Magnet Algae Cleaner The new "Plus Series" has a detachable and replaceable scraper blade for glass (stainless steel) or acrylic (plastic) aquariums and will make algae cleaning quick and easy. With its large 4" x 2"...

    $59.99
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  • Neptune Systems MPR Apex Magnetic Probe Holder

    Neptune Systems

    Neptune Systems MPR Apex Magnetic Probe Holder

    Neptune Apex Magnetic Probe HolderThe little new product we promised. It may be little, but it has been in demand for a long time. The MPR - Magnetic Probe Rack was designed specifically for the Apex and will hold our larger diameter temperature probe,...

    $59.99
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  • Sicce Shark ADV 800 Internal Filter Sicce Shark ADV 800 Internal Filter Sicce Shark ADV 800 Internal Filter Sicce Shark ADV 800 Internal Filter

    Sicce

    Sicce Shark ADV 800 Internal Filter

    Sicce Shark ADV 800 Internal Filter, 211 gph, 10 watts Exclusive in design, Shark ADV is one of the best internal filters for aquariums. Shark ADV comes in three versions with different powers: from 400 to 800 l/h, for 60-200 L aquariums. Shark ADV...

    $59.99
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  • 12” EPDM Membrane Disc Diffuser with 3/4" fitting 12” EPDM Membrane Disc Diffuser with 3/4" fitting 12” EPDM Membrane Disc Diffuser with 3/4" fitting 12” EPDM Membrane Disc Diffuser with 3/4" fitting 12” EPDM Membrane Disc Diffuser with 3/4" fitting

    Blue Diamond

    12” EPDM Membrane Disc Diffuser with 3/4" fitting

    12” EPDM Membrane Disc Diffuser with 3/4" fitting Fine Bubble Membrane Disc Diffuser DFA fine pore flexible membrane diffusers are constructed with premium quality EPDM membranes engineered for superior product life, operational flexibility, and...

    $59.99
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  • 7-Day Rental - ITC Reefculture PARwise 7-Day Rental - ITC Reefculture PARwise 7-Day Rental - ITC Reefculture PARwise 7-Day Rental - ITC Reefculture PARwise

    Seneye

    7-Day Rental - ITC Reefculture PARwise

    7-Day Rental - ITC Reefculture PARwise PAR meter rental period is 7 days from the day it is delivered to your door to the day the return tracking number becomes active, so you get a full week to tune your lights! If you need to keep the meter longer, no...

    $59.99
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  • AquaIllumination AI Prime Tank Mount, Black AquaIllumination AI Prime Tank Mount, Black AquaIllumination AI Prime Tank Mount, Black

    Aqua Illuminations

    AquaIllumination AI Prime Tank Mount, Black

    AquaIllumination AI Prime Tank Mount, Black The AquaIllumination Prime Tank Mount is an elegant mounting solution on both rimmed and rimless tanks for your AI Prime. The innovative ball joint makes it simple to tilt, turn, and adjust your light to your...

    $59.99
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  • Aquatop SkyAqua Actinic Blue LED 18"-24"

    AQUATOP

    Aquatop SkyAqua Actinic Blue LED 18"-24"

    Aquatop SkyAqua Actinic Blue LED 18"-24" AQUATOP SAQB-1824 SkyAqua Actinic Blue 18"-24" LED Aquarium Light Bring life and color to your underwater habitat with the Aquatop SkyAqua Actinic Blue LED Lighting Series! This energy efficient LED lighting...

    $59.99
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  • AutoAqua Digital Inline TDS - Titanium S3 AutoAqua Digital Inline TDS - Titanium S3

    AutoAqua

    AutoAqua Digital Inline TDS - Titanium S3

    AutoAqua Digital Inline TDS - Titanium S3 Are you tired of big, boxy, hard-to-read TDS meters? So are we! That’s why we built the AutoAqua Titanium Series TDS meters. They are small, easy-to-use, and have a big bright screen to make checking your...

    $59.99
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  • Blue Diamond SS14 Air Pump, 6 Outlet Blue Diamond SS14 Air Pump, 6 Outlet

    Blue Diamond

    Blue Diamond SS14 Air Pump, 6 Outlet

    Blue Diamond SS14 Air Pump, 6 Outlet Product Type: Air Maximum Flow: 0.49 CFM Pressure: 0.15 bar Weight: 2.1 kilograms Dimensions (LxWxH): 8.82 X 6.42 X 4.96 Inches Connector Size: 0.16", 6 outlets Power: 12W Blue Diamond SS14 Air Pump, 6 Outlet

    $59.99
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  • CO2 Turbo Diffuser 600 CO2 Turbo Diffuser 600 CO2 Turbo Diffuser 600 CO2 Turbo Diffuser 600

    Mr. Aqua

    CO2 Turbo Diffuser 600

    CO2 Turbo Diffuser 600 Mr. Aqua’s CO2 Turbo Diffuser has a patented power scatter design that provides a fast, effective way to diffuse carbon dioxide into the water for plants. The powerhead driven atomizer and patented multilayer compression...

    $59.99
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  • D-D True Seawater Refractometer

    DD The Aquarium Solution

    D-D True Seawater Refractometer

    D-D True Seawater Refractometer Hand held instrument for the measurement of the TRUE Salinity and Specific Gravity (S.G.) of sea water by refractive index. What is different about the D-D Seawater Refractometer? Almost all hand held salt water...

    $59.99
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3180 of 6492 Items

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