BRAND: Red Sea (254)
Best selling Best selling
  • Red Sea Reef Foundation C (Mg) - 1kg Dry
    $33.99
    No reviews

    Reef Foundation C A magnesium complex for balanced formation of coral skeletons Mg   Calcium, magnesium, strontium and carbonate are...

  • Red Sea 4-Part Complete Reef Care - Small Pack (40 gal)
    $69.99
    No reviews

    Complete 4-part Supplement Program Optimal coral growth & coloration in non-refugium systems. Simplify your supplementing routine at no extra cost!...

  • Red Sea ReefDose 4 Tube Holder (incl. Tips)
    $18.40
    No reviews

    Tune holder with 4 quick connect tips.

  • Red Sea ReefDose Accessory Kit Red-Yellow
    $37.95
    No reviews

    Deluxe 4-color tube kit Everything required to connect a dosing pump in one convenient kit.  Available in 2 color versions...

  • Red Sea 225 micron Felt filter sock - 4" Plastic Ring - 10.5" Long
    $11.95
    No reviews

    Red Sea Micron Felt & Thin Mesh aquarium filter bags A range of 3 high quality, reusable aquarium filter bags...

  • Red Sea Reef Foundation B (Alk) - 5 Liter Jug
    $119.99
    No reviews

    KH/ALKALINITY FOUNDATION B Carbonate & buffer complex for balanced formation of Coral Skeleton KH Calcium, magnesium, strontium and carbonate are...

  • Red Sea REEF SPEC Carbon 2000ml
    $49.99
    No reviews

    REEF-SPEC Carbon Highly activated carbon for marine & reef aquariums Red Sea REEF-SPEC Carbon is the ultimate choice for marine...

  • Red Sea Alkalinity Pro - Reagent Refill Kit
    $28.99
    No reviews

    Red Sea Alkalinity Pro - Reagent Refill Kit

  • Redsea ReefControl Pro Deluxe kit
    $699.00
    No reviews

    Introducing ReefControl: Stay on top of your aquarium Monitor up to 7 ReefSense digital Probes & Sensors and control any...

  • Red Sea ReefLED G2 60
    $289.00
    No reviews

    Stronger lights. Richer colors. Smarter features. Based on 35 years of research on the needs of corals in artificial environments,...

  • ReefRun G2 6000 DC Pump
    $260.00
    No reviews

    Silent. Powerful. Smart. Red Sea has just released the second generation of these highly efficient, powerful yet virtually silent return...

  • Red Sea Tank Net Screen Zig Zag 15/40mm (1 of each)
    $8.95

    OUT OF STOCK

    No reviews

    Net Cover Zig Zag 15/40mm | Item code R42085   Use for circumventing equipment mounts such as LED   ZigZag...

  • Red Sea Coral Salt - 55 gal - Bucket
    $49.99
    No reviews

    Red Sea Salt Ideal marine salt for mature reef and low nutrient systems   Red Sea Salt is designed to...

  • Red Sea Reef Foundation B (Alk) - 1kg Dry
    $33.99
    No reviews

    Reef Foundation B Carbonate & buffer complex for balanced formation of Coral Skeleton Alk   Calcium, magnesium, strontium and carbonate...

  • Red Sea Nitrate Pro - Reagent Refill Kit
    $34.99
    No reviews

    Red Sea Nitrate Pro - Reagent Refill Kit

  • RedSea ReefControl Power 8 Deluxe
    $389.00
    No reviews

    ReefControl Power 8 Deluxe ReefControl Power Deluxe The ReefControl Power Deluxe version includes the optional manual Control Panel with ON/...

  • Red Sea 4-Part Complete Reef Care - Medium Pack (80 gal)
    $114.99
    No reviews

    Complete 4-part Supplement Program Optimal coral growth & coloration in non-refugium systems. Simplify your supplementing routine at no extra cost!...

  • Red Sea 100 micron Felt filter sock- 4" Plastic ring - 10.5" Long
    $11.95
    No reviews

    Red Sea Micron Felt & Thin Mesh aquarium filter bags A range of 3 high quality, reusable aquarium filter bags...

  • Red Sea Reef Foundation A (Ca/Sr) - 1kg Dry
    $33.99
    No reviews

    Reef Foundation A Calcium and strontium complex for balanced formation of the coral skeleton Ca | Sr   Calcium, magnesium,...

  • RedSea ReefDose 4 Bracket
    $15.99
    No reviews

    Fits: ReefDose 4

  • RedSea ReefSense – Single Probe holder
    $12.50
    No reviews

    RedSea ReefSense – Single Probe holder Adjustable height probe holder with fittings for standard 12mm and 18mm diameter probes. Clips...

  • Red Sea ReefLED G2 115
    $459.00
    No reviews

    Stronger lights. Richer colors. Smarter features. Based on 35 years of research on the needs of corals in artificial environments,...

  • ReefRun G2 8000 DC Pump
    $330.00
    No reviews

    Silent. Powerful. Smart. Red Sea has just released the second generation of these highly efficient, powerful yet virtually silent return...

  • Red Sea REEFER DC Skimmer 900
    $675.00

    OUT OF STOCK

    No reviews

    REEFER DC Skimmer 900 (Controller Required, sold separately) Efficient. Quiet. Smart. The REEFER DC Skimmers include self-leveling technology that prevents over-skimming...

  • Red Sea ReefMat Sump Modification Kit
    $17.00
    No reviews

    Sump Modification Kit Manufacturered specifically to help you ready your sump for a ReefMat, the kit includes highly flexible, ultra-thin...

  • Red Sea Media bag 25X14cm (10 X 5.5) - 2pck
    $8.95
    No reviews

    Red Sea Media bag 25X14cm (10 X 5.5) - 2pck The high quality draw-string nylon media bag supplied with our...

  • Red Sea Coral Pro Salt - 20.1 kg bag/160 gal (Box)
    $87.99
    No reviews

    Coral Pro Salt Premium grade, high Alkalinity Coral Pro contains elevated and balanced levels of the foundation elements (Calcium, Magnesium,...

  • Red Sea Calcium Pro - High accuracy Titration Test Kit
    $44.99
    No reviews

    Calcium Pro Test Kit Advanced calcium titration test Ca   Red Sea’s Calcium Pro Test Kit is an advanced calcium...

  • ReefSense – Calibration Solution- Salinity 53mS - 5 pack
    $19.95
    No reviews

    Easily calibrate your Red Sea ReefSense salinity probe with this Salinity Calibration Pack.   What's Included? (5x) 20ml Sachets of...

  • RedSea ReefControl - Grounding Probe
    $30.00
    No reviews

    ReefControl Power Titanium Grounding Probe   Connecting the Grounding Probe to the dedicated port on the ReefControl Power will safely...

  • RedSea ReefControl - ReefSense Port Expander
    $69.00
    No reviews

    RedSea ReefControl - ReefSense Port Expander The ReefSense 4-port expander enables the ReefControl Pro to accommodate 7 ReefSense Probes/sensors.

  • Red Sea Tank Net Screen Profile 36 / 91cm (2pcs)- OPEN BOX RETURN
    $26.99

    OUT OF STOCK

    No reviews

    OPEN BOX RETURN- SAVE 15%   Net Cover Profile | Item codes R42091   91cm/36″- R42091 -2   

  • Red Sea ReefDose Measuring Cylinder
    $12.65
    No reviews

    Red Sea ReefDose Measuring Cylinder

  • Red Sea Tank Net Screen Universal Cut out kit.
    $11.49
    No reviews

    Net Cover universal Cut out Kit | Item code R42086   Use for larger cut outs   External corner (A)...

  • Red Sea Trace Colors ABCD 4-Pack (4@100ml)
    $28.99
    No reviews

    Red Sea’s Trace Colors A|B|C|D Provides the 31 minor and trace elements required by corals:   Trace Colors A –...

  • Red Sea Reef Foundation ABC+ - 1kg Dry
    $34.99
    No reviews

    Reef Foundation ABC+ Uniquely formulated powder supplement containing all of the elements of  Foundation A, B & C, Plus Red...

  • Red Sea Magnesium Pro - Reagent Refill Kit
    $28.99
    No reviews

    Red Sea Magnesium Pro - Reagent Refill Kit

  • RedSea ReefSense – Calibration Solution pH 7 & 10 - (5 of each per pack)
    $32.95
    No reviews

    Easily calibrate your Red Sea ReefSense pH probe with this pH High Calibration Pack.   What's Included? (5x) Sachets of...

  • RedSea ReefSense – Magnetic 4-probe holder
    $49.00
    No reviews

    RedSea ReefSense – Magnetic 4-probe holder Holds up to 4 probes, suitable for 12mm ½” glass.

  • Red Sea Replacement ReefATO+ Reef Sensor V2
    $46.00

    OUT OF STOCK

    No reviews

    Fits ReefATO+   Red Sea Replacement ReefATO+ Reef Sensor V2

  • ReefRun G2 12000 DC Pump
    $375.00
    No reviews

    Silent. Powerful. Smart. Red Sea has just released the second generation of these highly efficient, powerful yet virtually silent return...

  • Red Sea REEFER DC Skimmer 600
    $575.00
    No reviews

    REEFER DC Skimmer 600 (Controller Required, sold separately) Efficient. Quiet. Smart. The REEFER DC Skimmers include self-leveling technology that prevents over-skimming...

  • Red Sea ReefDose Tube Tip Set (4 tips)
    $6.90
    No reviews

    Red Sea ReefDose Tube Tip Set (4 tips)

  • Red Sea RCP Dosing Cap Tube x 2
    $9.00
    No reviews

    Red Sea RCP Dosing Cap Tube x 2

  • Red Sea ReefWave 45 Pump with Controller (3960 GPH)
    $409.00
    No reviews

    ReefWave 45 Silent - Smart - Powerful Based on Gyre patented, cross-flow technology, ReefWave® smart pumps are nearly silent, smart,...

  • Red Sea ReefWave 25 Pump with Controller (1980 GPH)
    $359.00
    No reviews

    ReefWave 25 Silent - Smart - Powerful Based on Gyre patented, cross-flow technology, ReefWave® smart pumps are nearly silent, smart,...

  • Red Sea REEF SPEC Carbon 1000ml
    $26.99
    No reviews

    REEF-SPEC Carbon Highly activated carbon for marine & reef aquariums Red Sea REEF-SPEC Carbon is the ultimate choice for marine...

  • Red Sea Coralline Gro - 500ml
    $22.00
    No reviews

    KH Coralline Gro A trace element and buffer complex that promotes  the development of Coralline Algae   Coralline algae will...

  • Red Sea Reef Foundation Pro Multi Test kit (Ca,Alk,Mg)
    $79.99
    No reviews

    Reef Foundation Pro Test kit include individual test kits and the Reef Foundation Pro kit, which combines the 3 individual...

  • RedSea ReefSense – Leak Detector
    $40.00
    No reviews

    The ReefSense digital Leak Detector can be connected to the ReefControl Lite or Pro controllers and will reliably detect water...

  • RedSea ReefControl Power 8
    $319.00
    No reviews

    ReefControl Power 8 ReefControl Power ReefBeat-controlled fully-featured smart power center for both Red Sea and NON Red Sea devices  ...

  • Red Sea ReefLED G2 115 Visor
    $17.50
    No reviews

    Red Sea ReefLED G2 115 Visor To prevent unwanted glare the ReefLED G2 has an optional clip-on visor to limit...