Synergy Reef CL-44.7 (7″ Sock Version) Sump


MSRP: $849.99 – $899.99

44″ x 18″ x  18″ Reef Sump accommodates 7″ Filter Socks (sold separately).  These sumps are built to order and current lead time is 4 weeks

  • *Color

    *Flow Configuration

    Reset options

    Choose your exterior side colors

    *For Storm Cloud color, please select "All Clear" 

    Choose how many Drains you need.

    John Guest Fittings

    Please select how many John Guest fittings you would like installed.

    • 10 Gallon ATO Containers (44-60-72 Series)

      $239.99 $161.99$206.99

      18" x 8" x  18"  10 Gallon ATO for our TS-44 and CL-44 Series Sumps.

      BUILT TO ORDER ITEM - Current lead time is 1-3 weeks

        SKU: 10GallonATO18

    SKU: CL44-7 Category:


    Looking for the Ultimate Sump Solution? Look no further than the Synergy Reef® CL-44 model sumps. Engineered to exceed the expectations of discerning reefers seeking unparalleled performance and longevity, these sumps are designed to stand out from the crowd. Handcrafted with precision right here in the USA, our CL-44 model sumps are meticulously constructed using only the finest quality materials and craftsmanship. Ready out of the box to meet the demands of large systems, these sumps boast over-the-top performance that is second to none.

    It’s important to note that not all 44″ sumps are created equal. Unlike mass-market alternatives designed primarily for shipping convenience, our CL-44 models prioritize functionality and effectiveness for your system. With larger width and height dimensions, our sumps set a new standard in performance and versatility.

    Don’t settle for average. Elevate your aquarium experience with the Synergy Reef® CL-44 model sumps – the epitome of excellence in sump design and functionality.

    Refugium is not available on this sump due to the larger socks area.


    • Standard – Clear Sides and Back ***** If you would like the sides and back the to be matching Color, please select “Color to Match” in the Exterior Wall Color Option above. For Storm Cloud choose “ALL CLEAR”.  Storm Cloud will have White sides/back with a Clear Smoke front
    • Dimensions: 44″ long x 18″ wide x 18″ high
    • Skimmer Section: 21″ x 17.5″
    • Return Pump Section: 6″ x 17.5″
    • Total Water Volume: 58 gallons
    • Skimmer Water Level: 6″ to 10″ adjustable
    • All Stainless Steel Screws Included
    • Removable Laser cut media tray in between the baffles use for filter pads and bags of media
    • Laser etched water level markings to allow easy setup of skimmer water depth from 6″ to 9.5″
    • High Quality Precision Machined Poly carbonate lids over Filter Socks, Optional Refugium and Return Pump areas
    • High Quality machine rounded and chamfered edges
    • Advanced designed Euro-bracing also has cord routing and Dosing connections built in
    • Drain Input Fittings: 3 x 1.5″ ABS Bulkheads (Allows Plug n Play with the Shadow Overflow® systems)
    • Filter Socks Holders: Fits 2 – 7″ x 15″
    • 3 holes in center euro-brace to accommodate optional 1/2″ Bulkheads for easy hookup to manifold returns or reactors.
    • Return Area has a 1″ bulkhead and optional 3/4″ Bulkhead for easy return pump hookups.
    • Optional 4, 5 or 6 x 1/4″ John Guest tubing holders for plug n play dosing / ATO connection
    • Optional 10 Gallon Matching ATO can be found Here: 10 Gallon CL ATO™ This Item can be bought along with the Sump for an additional savings! See below:

    MSRP: $849.99 – $899.99

    We ship these via LTL Freight on a pallet due to Large size of these sumps.

    Additional information

    Weight95 lbs
    Dimensions49 × 25 × 25 in

    Customer Reviews

    Based on 1 review
    James McKendrick
    CL-44.7 Sump

    Fantastic quality. Great customer service. Had a custom refugium built to match. They did a great job would recommend 100%

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