Skip to product information

Red Sea

Red Sea - REEFER XL 525L G2+ Complete Reef (140 Gallon) (White/Black)

Regular price
Price: $4,869.00
Regular price
List Price:
Sale price
Price: $4,869.00
ReefLED Lighting
View Cart

Price Match Guarantee

We work very hard to ensure that we offer the absolute best prices online.  If you find another online store that offers a lower price than us within six months of your purchase date please let us know and we will refund your original payment for the difference.  We want you to feel confident that you are getting the absolute best price for the product you are ordering.  If you find that our own website has a lower price for the same item you have ordered within six months of your purchase date will refund the difference as well.

View full match policy here

Member Rewards

Be sure to sign up for our member rewards program and be signed in prior to purchase to receive offered rewards benefits!


Sign Up

Availability: Pre-order

Estimated Arrival: Between Dec 15 and Dec 08. United States

Free Shipping to the Contiguous US on Select Products - Orders are Fulfilled in Order of Purchase

Product Description - REEFER G2+ (170L) (45G)

The All-new REEFER G2 - A perfect foundation for any thriving reef aquarium

The new REEFER G2 equipped with benefits of 30 years of reef research to ensure the optimal success of your reef-ready aquarium. Equipped with Red Seas' premium salts and their ReefBeat app which is all inclusive for control of your tank from a touch of a button. Generation 2 comes with:

        - New and improved water management

        - Extra fortified cabinets

        - ReefMat-ready sump

        - Extended warranty (3 years standard + additional 2 years optional = Possible 5 year warranty) 

    G2 systems remain customizable with your preferred pumps, lighting, filtration etc. while also having a variety of sizes to fit almost any space needed in your home or business. Models allow for a diverse reef-scape of your preference due to their  customizable sizes. Supersized models allow for next level reef-keeping. Generation 2 aquariums are all:

            - Rimless and made from ultra-clear beveled edge glass

            - Increased thickness up to 19 mm or .75 inches of glass       

            - Cabinets are fortified and made of plywood

            - Piping is hidden in overflow box with removable to for easy maintenance

            - Enlarged downflow inlet for reduced turbulence and quieter flow

            - Dual return pumps on all available models for better water distribution

            - Custom bulkhead and fittings are improved for easier assembly (extra connectors are available for those who want to customize sump) 

            - All models have high precision valve downpipe for easy regulation and silent operation

            - Slide in Refugium wall and bubble trap to prevent bubbles back into tank

            - Built in ATO with RO reservoir

    Generation 2 REEFER system makes successful reef keeping accessible to anyone from new reef-keepers to successful hobbiest.

    Features & Dimensions

    Rimless ultra-clear glass

    REEFER G2 aquariums are rimless, and constructed from ultra-clear, bevelled-edge glass with increased thickness of up to 19 mm or 0.75" (15 to 19 inch glass thickness depending on model). 

    Extra fortified plywood cabinet

    The marine-spec laminated cabinets follow the contour of the glass, and are all made of plywood. Larger models are now reinforced with aluminum supports.

    Deluxe version incorporates the ReefLED 90 / ReefLED 160S lighting units with mounting arms

    Reef-safe lighting + Optimal coral growth 


    Silent downflow system

    The enlarged rectangular inlet to the downflow pipe reduces sensitivity to changes in waterflow, resulting in a quieter operation.

    Bulkhead connector kits

    Bulkhead connectors suitable for both Metric and USA standard pipes can be purchased separately, allowing you to customize your sump piping.

    High precision valve

    All models now have a new and improved high precision valve on the downflow pipe, allowing for easy regulation of the flow and a near silent operation.

    Dual side-facing return pump outlets & large overflow box

    For optimal water circulation and increased surface skimming



    REEFER G2 systems have a removable, ReefMat-ready mechanical filtration compartment, complete with micron filter socks and media.


    REEFER G2+ 525 Liter

    Total system water volume

    111.7 gal

    Display tank water volume

    131.3 gal

    In-Cabinet sump water volume

    31 gal

    Display tank length


    Display tank width


    Display tank height (excluding light unit)


    Total system height


    Ultra-clear front glass


    Ultra-clear side glass


    Bottom glass


    ReefLED advanced light system

    Includes 3 x ReefLed 90 or 2 x ReefLed 160 

    Water circulation

    2 x ReefWave 45 (3,960 gph) linear wave pumps Included

    Main system pump

    1 x ReefRun 7000 (800-1900 gph) Included

    Protein Skimmer

    RSK DC 600 (Water flow 400 gph air flow 195 /  gph Included


    ReefMat 1200 Included

    ReefATO+ Kit


    Slide out control panel

    Slide-out control panel 60 Included

    Manuals & Videos:

    REEFER G2+ Series (Video)

    REEFER Max Series (Video)

    REEFER 525 G2+ Cabinet & Aquarium Manual

    REEFER G2+ Series (Operation Manual)

    REEFER 525 G2+ (Sump Dimensions)

    REEFER 350 G2+/ 425 G2+/ 525 G2+ (Cabinet Drawings)

    Customer Reviews

    Be the first to write a review