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Red Sea REEFER XXL 750 - Versatile, Rimless, Sumped Reef System

Red Sea

  • $ 4,199.00
    Unit price per 
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Red Sea REEFER™ Systems

Rimless reef ready systems for advanced hobbyists

REEFER™ Concept

Red Sea’s REEFER series of reef systems provide advanced hobbyists with a solid foundation for building a fully featured reef or marine aquarium.

The REEFER series combines a contemporary, rimless, ultra-clear glass aquarium with a stylish cabinet and a comprehensive water management system including a professional refugium ready sump with integrated automatic top-up and Red Sea’s unique silent down-flow system.

The REEFER series is designed for ease of operation while enabling the advanced hobbyist to install an unlimited choice of lighting, filtration, circulation, and controllers to create a uniquely customized system.


Features include:

  • Rimless, ultra-clear, beveled edge glass aquarium
  • Elegant, marine-spec, laminated, plywood cabinet with adjustable feet
  • Assembly-ready piping – no gluing required
  • Professional refugium ready sump with adjustable height skimmer chamber *
  • Silent, regulated down-flow system with emergency overflow
  • Integrated automatic top-up system with reservoir
  • RO liter reservoir that can be slid aside when necessary for pump maintenance. (not for 3XL900)
  • Micron filter bags and filter media cups *

* Note: not all features are available on REEFER™ 170/XL200, the color of interior cabinet and piping may vary.


625 | 750

The REEFER XXL includes two models that enhance your freedom to create a truly spectacular reef.

Both models are 60cm (23.6″) high & 65cm (25.6″) wide and are available in 150cm (59″) long/625 liter (166 gal) capacity or 180cm (71″) long/750 liter (200 gal). The XXL750 V3 now includes a dual pump return to allow for better-distributed flow in the aquarium. All the REEFER XXL models now feature a laminated, plywood marine-spec cabinet for greater water resistance with adjustable feet for perfect leveling on any surface. 

      REEFER™ XXL Models
    Specs XXL 625 XXL 750 V3
    Main Features Ultra clear front glass (mm) 19 (3/4″) 19 (3/4″)
    Ultra clear side glass (mm) 19 (3/4″) 19 (3/4″)
    Bottom glass 15 (5/8”) 19 (3/4″)
    Built in surface skimmer Yes
    Integrated automatic top up system Yes
    System Volumes Display tank water volume (L) 502 (133 gal) 602 (160 gal)
    In cabinet sump water volume (L) 123 (32 gal) 150 (40 gal)
    Total system water volume (L) 625 (165 gal) 750 (200 gal)
    RO reservoir volume (L) 28.7 (7.6 gal) 28.7 (7.6 gal)
    System Dimensions Display tank length (cm) 150 (59″) 180 (71″)
    Display tank height (cm) 60 (23.6″) 60 (23.6″)
    Display tank width (cm) 65 (25.6″) 65 (25.6″)
    Total system height with cabinet (cm) 148 (58.3″) 148 (58.3″)
    Sump Dimensions Water height (cm)  21-27 (8.3”-10.6”)  21-27 (8.3”- 10.6″)
    Skimmer chamber without Refugium wall (cm)  51 x 51 (20” x 20”) 65 x 51 (25.6 20)
    Skimmer chamber with Refugium wall (cm) 51 x 28 (20″ x 11″) 65 x 28 (25.6″ x 11″)
    Pump chamber (cm)  33 x 28 (13” x 11”)   35 x 28 (13.7” x 11”)
    Return Pump 3/4” threaded hose barb – Pipe Int. Dia 25mm (1”) 25mm (1”)
    Recommended flow (lph)
    (pump not included)
    6000 (1600 gph)  10,000 (2640 gph)
    Deluxe Series Features ReefLED®  3 Units RL90 (270W) or
    2 Units RL160S (320W)
    4 Units RL90 (360W) or
    3 Units RL160S (480W)
    Special Features
    Adjustable Height Skimmer Chamber Yes
    Dual side-facing return pump outlets Yes
    Refugium Ready Yes
    225 micron Thin-mesh Filter Bag 2 2
    Filter Media Cup 2 2
    Quick Release cabinet door hinges Yes
    Heavy Duty levelable Plywood Cabinet Yes