10 Gallon ATO Containers (CL-34 & TS-34)


BUILT TO ORDER ITEM- Current lead time is 3 weeks  (materials are “IN STOCK” for this build)

15″ x 12″ x  15″  10 Gallon ATO

  • Exterior Wall Color*
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SKU: 10GallonATO Category:


The Synergy Reef Series ATO Containers fit in line perfect with our CL-34 & TS-34 series sumps. We have designed this model to be plug and play with these sumps. They can also be used with any existing reef tank setup. The Synergy Reef ATO is built of the highest quality materials available. Our attention to detail is second to none. These are universal and will work with any ATO controller on the market.


  • 15″ x 12″ x 15″ Outside Dimensions
  • Approx 10 Gallon Storage Capacity
  • 1/4″ John Guest tubing holders for plug n play ATO connection
  • 1.5″ Rear hole allows for power cord to be run outside the container if an internal pump is used.
  • Will work with all ATO control units
  • 3″ Fill hole for easy filling
  • Laser Etched graduated gallon markings on the front panel for easy measuring of water level
  • Built in the USA!

CL-Series ATOs also feature a color laminated top with laser cut logo. Top is 3/8″ thick!

Additional information

Weight16 lbs
Dimensions21 × 21 × 17 in

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Exterior Wall Color


Customer Reviews

Based on 1 review
Jordan Stone

So worth the wait! This is my second ATO reservoir from Synergy Reef, and I wouldn't buy from anyone else. The craftsmanship and work that went into making this is pretty evident. Don't hesitate for one second in purchasing.