AF OceanGuard 275 Aquarium (48 Gallon) - Carbon

In stock


1 x AF OceanGuard 275 Aquarium (48 Gallon)   + $0.00

1 x AF OceanGuard 275 Furniture Front (Carbon)   + $0.00

* Required Fields

- +


    **Special Offer** -- For a limited time, all purchases of AF OceanGuard Aquariums will include a FREE Starter Pack! No extra action is required to redeem this offer-- Simply add any Oceanguard Aquarium to your cart and your order will also include the following:



    The Aquaforest OceanGuard series of aquarium systems is the result of collaboration between the best engineers and marine aquarists in the business. From its crystal-clear OptiWhite glass to its durable waterproof cabinetry and smartly-designed cascading filtration chambers, the OceanGuard offers experience-based solutions to deliver the most optimal reefkeeping experience. 

    • Ultra-silent operation
    • Waterproof, corrosion-resistant design for marine applications
    • Tank, anti-vibrational foam mats, overflow box, plumbing, sump, and cabinet included
    • Timeless, minimalistic design with interchangeable exterior panels for easy color changes
    • Pre-assembled cabinetry constructed from marine yacht technology
    • Guaranteed B31-certified safety with 4-year warranty


    The Display Tank

    • Highest transparency OptiWhite low-iron glass
    • Durable rimless design tested by marine aquarists
    • Even glass surface with distortion-free viewing
    • Easy-to-clean and scratch-resistant
    • All-black overflow, bottom, and rear glass
    • Proprietary black silicone joints with guaranteed high water-tightness
    • Professional antivibrational foam leveling mat

    The Cabinet

    • Waterproof high-pressure, marine-grade plywood construction
    • Will not swell, absorb water, nor warp over time
    • Corrosion-resistant to salt spray and chemical residue
    • High-resistance joints with premium Japanese stainless steel hinges and A2 stainless steel screws
    • Minimalistic design with interchangeable external cabinet panels for easy color changes
    • Arrives pre-assembled for guaranteed reliability
    • Designed to withstand up to 10x the weight of competitor stands

    The Plumbing & Sump

    • Durable PVC with dedicated hydraulics
    • Increased pipe diameters for high system output
    • Smartly designed cascading filtration chambers with filter socks
    • Quick installation-- no glue required
    • Emergency pipe and quality gate valve for precise adjustment
    • Self-leveling with quiet downflow
    • Check valve to prevent water from flowing into the sump
    • Near-silent downflow




    • Aquarium - 23.6"L x 21.7"W x 21.7"H
    • Cabinet - 23.6"L x 21.7"W x 37"H
    • Sump - 19.7"L x 16.3"W x 17.9"H
      • Return Pump Chamber - 8.27"L x 4.61"W
      • Skimmer Chamber - 8.27"L x 7.64"W (9.21"W without baffle)
      • Filter Chamber - 3.94"L x 13.94"W
      • RO Chamber - 2.95"L x 6.89"W


    • Display Tank - 48 US Gallons
    • System - 73 US Gallons


    • Downpipe - 32mm
    • Return Pump - 20mm
    • Safety Drain - 25mm

    Recommended Water Flow - 528-660 GPH

    Recommended Skimmer - AF150 IN

    Recommended Media Reactor - AF90 Media Reactor

    Glass Thickness - 10mm (3/8")



    More Information
    SKU 251146B
    Write Your Own Review
    You're reviewing:AF OceanGuard 275 Aquarium (48 Gallon) - Carbon
    Your Rating
    Only registered users can write reviews. Please or

    Product Questions

    No questions yet. Be the first to ask the question!