Synergy Reef CL-34 Sumps

(1 customer review)



This sump is built to order with a current lead time of 8 weeks. Materials are “In Stock” for this build

34″ x 15″ x  15″ Synergy Reef CL-34 Sump Color Laminated

  • Flow Configuration*
    • 0 $
    • 0 $
  • Exterior Wall Color*
    • 0 $
    • 0 $
  • Return Bulkhead Size*
    • 0 $
    • 0 $
    • 0 $
  • 4 Port Probe Holder*
    • 0 $
    • 0 $
  • Heater Holders
    • 0 $
    • 0 $
  • 4" Filter Socks 100 Micron*
    • 0 $
    • 0 $
    • 0 $
  • Sock Silencer (set)*
    • 0 $
    • 0 $
  • Stainless Thumbscrews*
    • 0 $
    • 0 $
SKU: CL34Sump Category:


Are you looking for the perfect sump that not only looks awesome, but has over the top performance? The Synergy Reef® CL-34 model sumps are your answer. We have designed this model to meet the demands of the reefer who demands more than the average off the shelf sump. We hand build each one to meet your needs. Need slight modifications in length to be able to fit this in your stand. Want it to flow right to left or left to right? We can do that! Try that with an off the shelf sump. The CL Series™ sumps feature a double color Cross Laminated™ euro brace. Check out these specs and dare to compare to our competitors! We only use the highest quality cell cast acrylics on our sumps. Built by Reefers for Reefers!

Available in Left to Right or Right to Left Flow Configurations (Shown in Left to Right)


  • Dimensions: 34″ long x 15″ wide x 15″ high
  • Skimmer Section: 17.5″ x 14.5″
  • Return Pump Section: 6″ x 14.5″
  • Total Water Volume: 31 gallons
  • Skimmer Water Level: 6″ to 10″ adjustable
  • Removable 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 6.5″ to 9.5″
  • Cross Laminated™ color Euro-bracing
  • High Quality Precision Machined Poly carbonate lids over Filter Socks and Return Pump areas
  • High Quality machine rounded and chamfered edges
  • Advanced designed Euro-bracing also has cord routing and Dosing connections built in
  • 4 x 1/4″ John Guest tubing holders for plug n play dosing / ATO connection
  • Drain Input Fittings: 3 x 1.5″ ABS Bulkheads (Allows Plug n Play with the (Shadow Overflow System)
  • Filter Socks Holders: 2 x 4″
  • Return section has 1″ Bulkhead
  • Made In The USA!!

MSRP: $549.99

**********These sumps are built to order.  Current lead time is 8 weeks  ******************


Additional information

Weight45 lbs
Dimensions41 × 21 × 21 in
Stainless Thumbscrews

No, Plastic is fine., Yes, Adjustable Baffle Only (Qty.2)

Heater Holders


Exterior Wall Color


Return Bulkhead Size

, ,

Sock Silencer (set)

No, Yes, I do want matching sock silencers

Share your thoughts!

5 out of 5 stars

1 review

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What others are saying

  1. Matthew Gauvin

    Already exceeded expectations and haven’t even installed it yet!

    Matthew Gauvin (verified owner)

    I was a little hesitant making such a significant investment not thru a major retailer. However liked what I saw so jumped in. From initial online order and custom additional request, every aspect thus far has exceeded my expectations (I.e. the title). Communication thru the entire build process, as these are built to order, was great! It was completed and shipped ahead of original estimates. When it arrived I was truly impressed with the care in “over packing” the sump. That would have been they way I would have done it myself so there you go! Hefty box, additional edge protection inside surrounded in copious amounts of packing material and then even further down every piece carefully secured and whole unit shrink wrapped. Then the unit itself! WOW!! What a piece of art. This will eventually be part of my display so I wanted visual quality and I got it! It will take a while to get it in the system as I have some major plumbing to do and of course it is an already operating reef tank. Once done will come back and review the unit in operation, but I have 0 concerns. Just looking at the craftsmanship there is no skimping anywhere!

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    • Synergy Reef

      Thank you for taking the time to leave us a review Matthew! Being a family owned, small business and not a large corporation allows us to focus on you the customer and the quality of our products. We do not have middleman dealers that we have to pay, so that money is kept in the quality of the product, not in someone else’s pocket. Welcome to our family!

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